DONOR STACK, LLC

$579K 2025-2026 cycle

DONOR STACK, LLC is a legal & compliance vendor. In the 2025-2026 cycle DONOR STACK, LLC was paid $579K across 131 client committees.

Legal & Compliance ○ Dormant (7mo since last)
Limited recent activity. Most recent disbursement to this vendor was 7 months ago (Nov 24, 2025). Charts below reflect cycle-to-date totals; the recent windows may be sparse.

Part I Identity

Stable facts about this entity. These figures do not change as you adjust the timeframe in Part II.

Activity span ALL TIME
Feb 19, 2016 → Nov 24, 2025
spans 9.8 years
Disbursements ALL TIME
1,118
Schedule B rows
Client committees ALL TIME
131
distinct payers

Part II Activity in selected window

One timeframe control governs all three panels below. Change it once and the trajectory, top buyers, and party breakdown all update together.

Spend trajectory

Monthly spend to this vendor over the last 12 months.

Dec 2024 Nov 2025
$87K across 12 months
#

Top buyers

Two views of the same data — diagram and table share the time-window control and the same top-buyers slice. Click "View all buyers in research" to drill in with the matching date range.

No buyer activity in this window.

No buyer activity in this window.

No buyer activity in this window.

VIEW 1 DIAGRAM DECORATIVE

Top buyers last 12 months · top 10

TUBBS FOR LIEUTENANT GOVERNOR 2026; M… $9K — · 3 txns CORTESE FOR SENATE 2028; DAVE $7K Legal & Compliance · 4 txns HUYNH, KHAI-HOAN $4K Software & Tech · 2 txns THURMOND FOR GOVERNOR 2026; TONY $3K Legal & Compliance · 3 txns ERICKSON FOR STATE SENATE 2026; JOHN $3K Legal & Compliance · 2 txns MANDELMAN FOR STATE SENATE 2028; RAFA… $2K Legal & Compliance · 1 txn 881248 $2K Legal & Compliance · 1 txn SCHAAF FOR TREASURER 2026; LIBBY $2K Legal & Compliance · 1 txn ELWARD FOR ASSEMBLY 2026; JACKIE $2K Legal & Compliance · 3 txns COMMITTEE FOR AN AFFORDABLE CALIFORNIA $1K Legal & Compliance · 3 txns DS DONOR STACK, LLC
VIEW 2 TABLE EXPORTABLE
Filer Total spend Disbursements
TUBBS FOR LIEUTENANT GOVERNOR 2026; MICHAEL
1471234
 $9,110 3
CORTESE FOR SENATE 2028; DAVE
1477250
 $7,485 4
HUYNH, KHAI-HOAN
IL · House DEM
 $3,675 2
THURMOND FOR GOVERNOR 2026; TONY
1461509
 $3,375 3
ERICKSON FOR STATE SENATE 2026; JOHN
1479089
 $2,760 2
MANDELMAN FOR STATE SENATE 2028; RAFAEL
1460689
 $2,310 1
881248
881248
 $2,310 1
SCHAAF FOR TREASURER 2026; LIBBY
1465883
 $2,310 1
ELWARD FOR ASSEMBLY 2026; JACKIE
1480542
 $1,785 3
COMMITTEE FOR AN AFFORDABLE CALIFORNIA
1482084
 $1,435 3
View all buyers in research · last 12 mo →
VIEW 1 DIAGRAM DECORATIVE

Top buyers last 18 months · top 10

TUBBS FOR LIEUTENANT GOVERNOR 2026; M… $17K Legal & Compliance · 6 txns CORTESE FOR SENATE 2028; DAVE $8K Legal & Compliance · 5 txns THURMOND FOR GOVERNOR 2026; TONY $7K Legal & Compliance · 5 txns MC GUIRE FOR INSURANCE COMMISSIONER 2… $6K Legal & Compliance · 3 txns 881248 $5K Legal & Compliance · 2 txns MANDELMAN FOR STATE SENATE 2028; RAFA… $4K Legal & Compliance · 3 txns ERICKSON FOR STATE SENATE 2026; JOHN $4K Legal & Compliance · 3 txns HUYNH, KHAI-HOAN $4K Software & Tech · 2 txns SCHAAF FOR TREASURER 2026; LIBBY $3K Legal & Compliance · 2 txns MC GUIRE BALLOT MEASURE COMMITTEE; PR… $2K Legal & Compliance · 7 txns DS DONOR STACK, LLC
VIEW 2 TABLE EXPORTABLE
Filer Total spend Disbursements
TUBBS FOR LIEUTENANT GOVERNOR 2026; MICHAEL
1471234
 $17,005 6
CORTESE FOR SENATE 2028; DAVE
1477250
 $8,430 5
THURMOND FOR GOVERNOR 2026; TONY
1461509
 $6,627 5
MC GUIRE FOR INSURANCE COMMISSIONER 2026; MIKE
1456532
 $5,560 3
881248
881248
 $4,620 2
MANDELMAN FOR STATE SENATE 2028; RAFAEL
1460689
 $4,260 3
ERICKSON FOR STATE SENATE 2026; JOHN
1479089
 $3,710 3
HUYNH, KHAI-HOAN
IL · House DEM
 $3,675 2
SCHAAF FOR TREASURER 2026; LIBBY
1465883
 $2,555 2
MC GUIRE BALLOT MEASURE COMMITTEE; PROGRESS FOR CALIFORNIA, SENATOR MIKE
1461632
 $2,242 7
View all buyers in research · last 18 mo →
VIEW 1 DIAGRAM DECORATIVE

Top buyers last 24 months · top 10

TUBBS FOR LIEUTENANT GOVERNOR 2026; M… $23K Legal & Compliance · 8 txns ACTIVATE AMERICA $15K Legal & Compliance · 13 txns MC GUIRE FOR INSURANCE COMMISSIONER 2… $10K Legal & Compliance · 7 txns SAN FRANCISCO DEMOCRATIC COUNTY CENTR… $10K Legal & Compliance · 4 txns CORTESE FOR SENATE 2028; DAVE $8K Legal & Compliance · 5 txns THURMOND FOR GOVERNOR 2026; TONY $7K Legal & Compliance · 5 txns 881248 $5K Legal & Compliance · 2 txns MANDELMAN FOR STATE SENATE 2028; RAFA… $4K Legal & Compliance · 3 txns ERICKSON FOR STATE SENATE 2026; JOHN $4K Legal & Compliance · 3 txns SREEKRISHNAN FOR ASSEMBLY 2024; TARA $4K Legal & Compliance · 1 txn DS DONOR STACK, LLC
VIEW 2 TABLE EXPORTABLE
Filer Total spend Disbursements
TUBBS FOR LIEUTENANT GOVERNOR 2026; MICHAEL
1471234
 $22,691 8
ACTIVATE AMERICA
C00640300
 $14,541 13
MC GUIRE FOR INSURANCE COMMISSIONER 2026; MIKE
1456532
 $10,306 7
SAN FRANCISCO DEMOCRATIC COUNTY CENTRAL COMMITTEE
C00392928
 $10,210 4
CORTESE FOR SENATE 2028; DAVE
1477250
 $8,430 5
THURMOND FOR GOVERNOR 2026; TONY
1461509
 $6,627 5
881248
881248
 $4,620 2
MANDELMAN FOR STATE SENATE 2028; RAFAEL
1460689
 $4,260 3
ERICKSON FOR STATE SENATE 2026; JOHN
1479089
 $3,710 3
SREEKRISHNAN FOR ASSEMBLY 2024; TARA
1464784
 $3,689 1
View all buyers in research · last 24 mo →

By party

Revenue by party

100% D
D · 100%
R · 0%
PartyAmount%
Democratic $125,543 21.67%
Republican $0 0.00%
Non-partisan $453,834 78.33%

Part III Reference tables

Full all-time and cycle-to-date data.

#

Cycle-over-cycle trajectory

201720182019202020212022202320242025 Q1 2017 (2016 cycle): $3KQ1 2017 (2018 cycle): $271Q2 2017 (2016 cycle): $5KQ2 2017 (2018 cycle): $4KQ3 2017 (2016 cycle): $4KQ3 2017 (2018 cycle): $790Q4 2017 (2016 cycle): $2KQ4 2017 (2018 cycle): $2KQ1 2018 (2018 cycle): $8KQ2 2018 (2018 cycle): $6KQ3 2018 (2018 cycle): $9KQ4 2018 (2018 cycle): $19KQ1 2019 (2018 cycle): $2KQ1 2019 (2020 cycle): $2KQ2 2019 (2018 cycle): $2KQ2 2019 (2020 cycle): $2KQ3 2019 (2018 cycle): $5KQ3 2019 (2020 cycle): $5KQ4 2019 (2018 cycle): $5KQ4 2019 (2020 cycle): $7KQ1 2020 (2020 cycle): $25KQ2 2020 (2020 cycle): $17KQ3 2020 (2020 cycle): $25KQ4 2020 (2020 cycle): $22KQ1 2021 (2020 cycle): $3KQ1 2021 (2022 cycle): $3KQ2 2021 (2020 cycle): $2KQ2 2021 (2022 cycle): $5KQ3 2021 (2020 cycle): $4KQ3 2021 (2022 cycle): $5KQ4 2021 (2020 cycle): $2KQ4 2021 (2022 cycle): $5KQ1 2022 (2022 cycle): $27KQ2 2022 (2022 cycle): $22KQ3 2022 (2022 cycle): $20KQ4 2022 (2022 cycle): $31KQ1 2023 (2022 cycle): $7KQ1 2023 (2024 cycle): $4KQ2 2023 (2022 cycle): $3KQ2 2023 (2024 cycle): $3KQ2 2023 (2026 cycle): $2KQ3 2023 (2022 cycle): $12KQ3 2023 (2024 cycle): $4KQ3 2023 (2026 cycle): $7KQ4 2023 (2022 cycle): $8KQ4 2023 (2024 cycle): $5KQ4 2023 (2026 cycle): $1KQ1 2024 (2024 cycle): $29KQ2 2024 (2024 cycle): $16KQ3 2024 (2024 cycle): $40KQ4 2024 (2024 cycle): $23KQ1 2025 (2024 cycle): $20KQ1 2025 (2026 cycle): $698Q2 2025 (2024 cycle): $19KQ3 2025 (2024 cycle): $24KQ4 2025 (2024 cycle): $15KQ4 2025 (2026 cycle): $4K Q1Q2Q3Q4Q1Q3Q1Q2Q3Q4Q1Q3Q1Q2Q3Q4Q1Q3Q1Q2Q2Q3Q4Q4Q2Q4Q1Q3Q4 $40K

current cycle earlier election cycle off-cycle year quarterly · 9 years

Per-quarter totals
Year Q Cycle Total Txns Top buyer · share Top category · share Cum. (cycle) YoY %
2017 Q1 2016 $3K 11 TING FOR ASSEMBLY 2016; PHIL 32% Legal & Compliance 100% $3K —
2017 Q1 2018 $271 1 SAN FRANCISCO DEMOCRATIC CO… 100% Legal & Compliance 100% $271 —
2017 Q2 2016 $5K 15 THURMOND FOR ASSEMBLY 2018;… 31% Legal & Compliance 100% $8K —
2017 Q2 2018 $4K 5 SANTA CLARA COUNTY UNITED D… 80% Legal & Compliance 100% $5K —
2017 Q3 2016 $4K 21 COHEN FOR STATE BOARD OF EQ… 47% Legal & Compliance 100% $12K —
2017 Q3 2018 $790 8 SANTA CLARA COUNTY UNITED D… 47% Legal & Compliance 100% $6K —
2017 Q4 2016 $2K 13 COHEN FOR STATE BOARD OF EQ… 32% Legal & Compliance 100% $15K —
2017 Q4 2018 $2K 6 SAN FRANCISCO DEMOCRATIC CO… 41% Legal & Compliance 100% $7K —
2018 Q1 2018 $8K 26 C00637314 27% Legal & Compliance 100% $15K —
2018 Q2 2018 $6K 25 ACTIVATE AMERICA 27% Legal & Compliance 100% $22K —
2018 Q3 2018 $9K 24 ACTIVATE AMERICA 30% Legal & Compliance 100% $31K —
2018 Q4 2018 $19K 29 THURMOND FOR SUPERINTENDENT… 46% Legal & Compliance 100% $50K —
2019 Q1 2018 $2K 10 WIENER FOR STATE SENATE 202… 48% Legal & Compliance 100% $52K -40%
2019 Q1 2020 $2K 6 UNITE AMERICA PAC INC. 57% Legal & Compliance 100% $2K +458%
2019 Q2 2018 $2K 8 CALIFORNIA LEAGUE OF CONSER… 53% Legal & Compliance 100% $54K -53%
2019 Q2 2020 $2K 9 ACTIVATE AMERICA 37% Legal & Compliance 100% $3K -56%
2019 Q3 2018 $5K 10 WIENER FOR STATE SENATE 202… 45% Legal & Compliance 100% $59K +16%
2019 Q3 2020 $5K 11 UNITE AMERICA PAC INC. 64% Legal & Compliance 100% $8K +476%
2019 Q4 2018 $5K 14 BAY AREA COUNCIL ISSUES POL… 21% Legal & Compliance 100% $64K +97%
2019 Q4 2020 $7K 11 C00719898 49% Legal & Compliance 100% $15K +290%
2020 Q1 2020 $25K 30 BUTTAR, SHAHID 43% Legal & Compliance 100% $40K +212%
2020 Q2 2020 $17K 18 BUTTAR, SHAHID 78% Legal & Compliance 100% $57K +159%
2020 Q3 2020 $25K 23 BUTTAR, SHAHID 70% Legal & Compliance 100% $82K +182%
2020 Q4 2020 $22K 26 ACTIVATE AMERICA 51% Legal & Compliance 100% $104K +16%
2021 Q1 2020 $3K 15 CONDES FOR ALAMEDA COUNTY J… 22% Legal & Compliance 100% $107K +79%
2021 Q1 2022 $3K 12 ACTIVATE AMERICA 66% Legal & Compliance 100% $3K +118%
2021 Q2 2020 $2K 13 842018 40% Legal & Compliance 100% $109K -29%
2021 Q2 2022 $5K 15 ACTIVATE AMERICA 52% Legal & Compliance 100% $8K +131%
2021 Q3 2020 $4K 11 THURMOND FOR SUPERINTENDENT… 64% Legal & Compliance 100% $113K -7%
2021 Q3 2022 $5K 14 ACTIVATE AMERICA 63% Legal & Compliance 100% $13K +13%
2021 Q4 2020 $2K 16 WIENER FOR STATE SENATE 202… 27% Legal & Compliance 100% $116K -55%
2021 Q4 2022 $5K 14 ACTIVATE AMERICA 54% Legal & Compliance 100% $18K -30%
2022 Q1 2022 $27K 38 MENDOZA-CANDELL-PRIFORCE LA… 24% Legal & Compliance 100% $45K +6%
2022 Q2 2022 $22K 46 HANEY FOR STATE ASSEMBLY 20… 22% Legal & Compliance 100% $67K +34%
2022 Q3 2022 $20K 51 ACTIVATE AMERICA 18% Legal & Compliance 100% $87K -20%
2022 Q4 2022 $31K 65 ACTIVATE AMERICA 21% Legal & Compliance 100% $118K +40%
2023 Q1 2022 $7K 13 HANEY FOR ASSEMBLY 2024; MA… 29% Legal & Compliance 100% $124K +94%
2023 Q1 2024 $4K 12 MULLIN, KEVIN 48% Legal & Compliance 100% $4K +33%
2023 Q2 2022 $3K 14 WIENER FOR STATE SENATE 202… 36% Legal & Compliance 100% $127K +51%
2023 Q2 2024 $3K 10 ACTIVATE AMERICA 52% Legal & Compliance 100% $8K -30%
2023 Q2 2026 $2K 1 WIENER, SCOTT 100% Software & Tech 100% $2K —
2023 Q3 2022 $12K 25 CONNOLLY FOR ASSEMBLY 2024;… 19% Legal & Compliance 100% $139K +177%
2023 Q3 2024 $4K 9 ACTIVATE AMERICA 58% Legal & Compliance 100% $12K -23%
2023 Q3 2026 $7K 3 WIENER, SCOTT 100% Software & Tech 100% $9K —
2023 Q4 2022 $8K 18 WIENER FOR STATE SENATE 202… 51% Legal & Compliance 100% $147K +250%
2023 Q4 2024 $5K 6 ACTIVATE AMERICA 64% Legal & Compliance 100% $16K -3%
2023 Q4 2026 $1K 1 WIENER, SCOTT 100% Software & Tech 100% $10K —
2024 Q1 2024 $29K 59 ACTIVATE AMERICA 22% Legal & Compliance 100% $45K +8%
2024 Q2 2024 $16K 42 ACTIVATE AMERICA 23% Legal & Compliance 100% $61K -27%
2024 Q3 2024 $40K 51 ACTIVATE AMERICA 22% Legal & Compliance 90% $102K +102%
2024 Q4 2024 $23K 51 SAN FRANCISCO DEMOCRATIC CO… 24% Legal & Compliance 97% $124K -27%
2025 Q1 2024 $20K 34 TUBBS FOR LIEUTENANT GOVERN… 17% Legal & Compliance 95% $145K +207%
2025 Q1 2026 $698 3 ACTIVATE AMERICA 72% Software & Tech 100% $11K -84%
2025 Q2 2024 $19K 17 TUBBS FOR LIEUTENANT GOVERN… 48% Legal & Compliance 52% $164K +650%
2025 Q3 2024 $24K 26 CORTESE FOR SENATE 2028; DA… 14% Legal & Compliance 88% $187K +97%
2025 Q4 2024 $15K 16 CORTESE FOR SENATE 2028; DA… 28% Legal & Compliance 64% $203K +97%
2025 Q4 2026 $4K 2 HUYNH, KHAI-HOAN 100% Software & Tech 100% $14K -24%
#

Revenue by service category

No category revenue in this window.

No category revenue in this window.

No category revenue in this window.

Revenue by service category

last 12 months · hover bars for cycle context
Legal & Compliance — cycle-to-date Total: $542K across 1095 disbursements (avg $495/check) Top buyer: ACTIVATE AMERICA (17% of category) Last paid: 6mo ago · +202% vs prior cycle Legal & Compliance $33K Software & Tech — cycle-to-date Total: $14K across 10 disbursements (avg $1K/check) Top buyer: WIENER, SCOTT (70% of category) Last paid: 6mo ago · no prior-cycle baseline Software & Tech $4K

Revenue by service category

last 18 months · hover bars for cycle context
Legal & Compliance — cycle-to-date Total: $542K across 1095 disbursements (avg $495/check) Top buyer: ACTIVATE AMERICA (17% of category) Last paid: 6mo ago · +202% vs prior cycle Legal & Compliance $60K Software & Tech — cycle-to-date Total: $14K across 10 disbursements (avg $1K/check) Top buyer: WIENER, SCOTT (70% of category) Last paid: 6mo ago · no prior-cycle baseline Software & Tech $4K

Revenue by service category

last 24 months · hover bars for cycle context
Legal & Compliance — cycle-to-date Total: $542K across 1095 disbursements (avg $495/check) Top buyer: ACTIVATE AMERICA (17% of category) Last paid: 6mo ago · +202% vs prior cycle Legal & Compliance $118K Software & Tech — cycle-to-date Total: $14K across 10 disbursements (avg $1K/check) Top buyer: WIENER, SCOTT (70% of category) Last paid: 6mo ago · no prior-cycle baseline Software & Tech $4K
Per-category breakdown · cycle-to-date
Category Total spend Txns Avg check % of total Top buyer · share Last paid
Legal & Compliance $541,759 1,095 $495 97.4% ACTIVATE AMERICA 17% 6mo ago
Software & Tech $14,452 10 $1K 2.6% WIENER, SCOTT 70% 6mo ago
#

Client retention

Sticky-relationship signal: how many clients keep coming back across cycles vs one-time buyers.

12
Anchor clients 3+ cycles
$200,144 · 35% of revenue
39
Repeat clients 2 cycles
$188,142 · 32% of revenue
80
One-time clients 1 cycle
$191,091 · 33% of revenue
Top 12 anchor clients · all-time
Client Cycles All-time spend Txns First paid Last paid
ACTIVATE AMERICA 5 $92,362 136 2017-08-15 2025-01-14
SAN FRANCISCO DEMOCRATIC COUNTY CENTRAL COMMITTEE 5 $24,757 65 2017-03-20 2025-01-14
742051 5 $17,654 65 2016-06-08 2025-02-22
WIENER FOR STATE SENATE 2024; RE-ELECT SCOTT 3 $15,931 18 2021-05-26 2024-11-05
WIENER FOR STATE SENATE 2020; RE-ELECT SCOTT 3 $12,296 21 2017-02-16 2020-03-13
THURMOND FOR SUPERINTENDENT OF PUBLIC INSTRUCTION 2022; RE-ELECT TONY 3 $12,159 21 2019-08-20 2022-12-29
CALIFORNIA LEAGUE OF CONSERVATION VOTERS SMALL CONTRIBUTOR COMMITTEE 4 $9,063 41 2018-05-15 2025-09-15
HARVEY MILK LGBT DEMOCRATIC CLUB POLITICAL ACTION FUND; THE 4 $4,915 17 2017-12-08 2025-06-18
COALITION TO GROW SAN FRANCISCO - GROW SF PAC 3 $4,740 19 2020-10-19 2024-08-14
21ST CENTURY ALLIANCE GOOD GOVERMENT PAC 3 $3,143 10 2021-09-27 2025-09-15
ALICE B. TOKLAS LGBTQ DEMOCRATIC CLUB FEDERAL PAC 3 $1,600 19 2019-07-19 2024-08-14
CALIFORNIA LEAGUE OF CONSERVATION VOTERS - INDEPENDENT EXPENDITURE COMMITTEE 3 $1,524 16 2020-11-13 2024-03-25
#

Geographic concentration

Where this vendor's clients are based — federal committees by state, plus implicit jurisdiction for CA and TX state filers.

State   Total spend % of revenue Clients
CA
$557,545 96.2% 121
Unknown
$12,262 2.1% 7
CO
$5,895 1.0% 2
IL
$3,675 0.6% 1
#

Notable disbursements

5 largest all-time · 5 largest in the current cycle · 5 most recent. Each row earns its place.

Reason Date Filer Category Purpose Amount
Largest all-time 2020-07-10 BUTTAR, SHAHID Legal & Compliance SOFTWARE $8,251
Largest all-time 2020-08-11 BUTTAR, SHAHID Legal & Compliance SOFTWARE $5,912
Largest all-time 2020-10-16 ACTIVATE AMERICA Legal & Compliance SOFTWARE $5,158
Largest all-time 2024-11-05 SAN FRANCISCO DEMOCRATIC COUNTY CENTRAL COMMITTEE Legal & Compliance SOFTWARE $5,119
Largest all-time 2020-03-13 BUTTAR, SHAHID Legal & Compliance SOFTWARE $5,059
Largest this cycle 2023-07-24 WIENER, SCOTT Software & Tech SOFTWARE $3,000
Largest this cycle 2023-08-14 WIENER, SCOTT Software & Tech SOFTWARE $2,496
Largest this cycle 2025-11-21 HUYNH, KHAI-HOAN Software & Tech SOFTWARE $1,925
Largest this cycle 2023-05-23 WIENER, SCOTT Software & Tech SOFTWARE $1,760
Largest this cycle 2025-10-27 HUYNH, KHAI-HOAN Software & Tech SOFTWARE $1,750
Recent 2025-11-17 CORTESE FOR SENATE 2028; DAVE Legal & Compliance — $1,925
Recent 2025-11-17 THURMOND FOR GOVERNOR 2026; TONY — — $1,925
Recent 2025-11-17 921188 Legal & Compliance — $825
Recent 2025-11-17 ASIAN PACIFIC ENVIRONMENTAL NETWORK ACTION CANDIDATE COMMITTEE Legal & Compliance — $450
View all disbursements in research →
2 raw FEC name variants collapsed into this canonical entity
See all 1,118 disbursements →