GRINDSTONE FIELD SOLUTIONS, LLC
$4.17M
2025-2026 cycle
GRINDSTONE FIELD SOLUTIONS, LLC is a strategy & research vendor. In the 2025-2026 cycle GRINDSTONE FIELD SOLUTIONS, LLC was paid $4.17M across 30 client committees, of which $22K flowed through Independent Expenditures rather than direct committee payments.
Part I Identity
Stable facts about this entity. These figures do not change as you adjust the timeframe in Part II.
Source split
$4.17M
=
$4.14M
(Schedule B)
+
$22K
(Independent Expenditures)
| Schedule B direct committee payments |
$4,142,837 | 188 rows | 99.5% |
| Independent Expenditures money this entity spent supporting candidates, NOT a committee paying them |
$22,185 | 1 rows | 0.5% |
- Activity span ALL TIME
- Aug 31, 2018 → Jun 9, 2026
- spans 7.8 years
- Disbursements ALL TIME
- 188
- Schedule B + IE rows
- Client committees ALL TIME
- 30
- 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.
Jun 2025
May 2026
$1.47M
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.
VIEW 1 DIAGRAM DECORATIVE
Top buyers last 3 months · top 6
VIEW 2 TABLE EXPORTABLE
| Filer | Total spend | Disbursements |
|---|---|---|
| CALIFORNIA ALLIANCE OF FAMILY OWNED BUSINESSES PAC 1465611 |
$255,970 | 2 |
| KEEP CALIFORNIA GOLDEN 1376693 |
$102,637 | 2 |
| KEEPING CALIFORNIANS WORKING, A COALITION OF INSURANCE AGENTS, ENERGY, AND HEALTH CARE PROVIDERS 1365806 |
$86,983 | 1 |
| 741666 741666 |
$54,941 | 1 |
| COMMITTEE FOR WORKING FAMILIES, SPONSORED BY LABOR ORGANIZATIONS C00626119 |
$22,185 IE $22,185 |
1 |
| BECERRA FOR GOVERNOR 2026 1480025 |
$4,600 | 1 |
VIEW 1 DIAGRAM DECORATIVE
Top buyers last 6 months · top 10
VIEW 2 TABLE EXPORTABLE
| Filer | Total spend | Disbursements |
|---|---|---|
| CALIFORNIA ALLIANCE OF FAMILY OWNED BUSINESSES PAC 1465611 |
$521,840 | 4 |
| KEEP CALIFORNIA GOLDEN 1376693 |
$157,687 | 5 |
| 741666 741666 |
$119,725 | 2 |
| KEEPING CALIFORNIANS WORKING, A COALITION OF INSURANCE AGENTS, ENERGY, AND HEALTH CARE PROVIDERS 1365806 |
$86,983 | 1 |
| MATSUI, DORIS CA · House DEM |
$72,363 | 2 |
| KOUNALAKIS FOR TREASURER 2026; ELENI 1483008 |
$37,763 | 6 |
| COMMITTEE FOR WORKING FAMILIES, SPONSORED BY LABOR ORGANIZATIONS C00626119 |
$22,185 IE $22,185 |
1 |
| HO, THIEN CA · House DEM |
$21,296 | 1 |
| BAINS, JASMEET CA · House DEM |
$18,989 | 2 |
| TUBBS FOR LIEUTENANT GOVERNOR 2026; MICHAEL 1471234 |
$9,734 | 3 |
VIEW 1 DIAGRAM DECORATIVE
Top buyers last 12 months · top 10
VIEW 2 TABLE EXPORTABLE
| Filer | Total spend | Disbursements |
|---|---|---|
| CALIFORNIA ALLIANCE OF FAMILY OWNED BUSINESSES PAC 1465611 |
$521,840 | 4 |
| VOTE NOW CALIFORNIA 1465564 |
$364,660 | 4 |
| KEEP CALIFORNIA GOLDEN 1376693 |
$157,687 | 5 |
| 741666 741666 |
$121,925 | 3 |
| MATSUI, DORIS CA · House DEM |
$107,988 | 3 |
| KEEPING CALIFORNIANS WORKING, A COALITION OF INSURANCE AGENTS, ENERGY, AND HEALTH CARE PROVIDERS 1365806 |
$86,983 | 1 |
| KOUNALAKIS FOR TREASURER 2026; ELENI 1483008 |
$37,763 | 6 |
| BAINS, JASMEET CA · House DEM |
$24,151 | 3 |
| COMMITTEE FOR WORKING FAMILIES, SPONSORED BY LABOR ORGANIZATIONS C00626119 |
$22,185 IE $22,185 |
1 |
| HO, THIEN CA · House DEM |
$21,296 | 1 |
VIEW 1 DIAGRAM DECORATIVE
Top buyers last 18 months · top 10
VIEW 2 TABLE EXPORTABLE
| Filer | Total spend | Disbursements |
|---|---|---|
| CALIFORNIA ALLIANCE OF FAMILY OWNED BUSINESSES PAC 1465611 |
$521,840 | 4 |
| VOTE NOW CALIFORNIA 1465564 |
$364,660 | 4 |
| KEEP CALIFORNIA GOLDEN 1376693 |
$157,687 | 5 |
| 741666 741666 |
$122,928 | 4 |
| MATSUI, DORIS CA · House DEM |
$107,988 | 3 |
| KEEPING CALIFORNIANS WORKING, A COALITION OF INSURANCE AGENTS, ENERGY, AND HEALTH CARE PROVIDERS 1365806 |
$86,983 | 1 |
| KOUNALAKIS FOR TREASURER 2026; ELENI 1483008 |
$37,763 | 6 |
| BAINS, JASMEET CA · House DEM |
$24,151 | 3 |
| COMMITTEE FOR WORKING FAMILIES, SPONSORED BY LABOR ORGANIZATIONS C00626119 |
$22,185 IE $22,185 |
1 |
| HO, THIEN CA · House DEM |
$21,296 | 1 |
VIEW 1 DIAGRAM DECORATIVE
Top buyers last 24 months · top 10
VIEW 2 TABLE EXPORTABLE
| Filer | Total spend | Disbursements |
|---|---|---|
| CALIFORNIA ALLIANCE OF FAMILY OWNED BUSINESSES PAC 1465611 |
$521,840 | 4 |
| VOTE NOW CALIFORNIA 1465564 |
$364,660 | 4 |
| DCCC C00000935 |
$300,000 | 3 |
| COSTA, JIM CA · House DEM |
$248,205 | 5 |
| 741666 741666 |
$217,071 | 6 |
| KEEP CALIFORNIA GOLDEN 1376693 |
$157,687 | 5 |
| ROTH, USAF (RET.) FOR SUPERVISOR 2024; MAJOR GENERAL RICHARD D. 1443177 |
$135,787 | 7 |
| MATSUI, DORIS CA · House DEM |
$107,988 | 3 |
| KEEPING CALIFORNIANS WORKING, A COALITION OF INSURANCE AGENTS, ENERGY, AND HEALTH CARE PROVIDERS 1365806 |
$86,983 | 1 |
| BAINS FOR ASSEMBLY 2024; DR. JASMEET 1456690 |
$78,704 | 6 |
By party
Revenue by party
D · 100%
R · 0%
| Party | Amount | % |
|---|---|---|
| Democratic | $1,054,544 | 25.32% |
| Republican | $0 | 0.00% |
| Non-partisan | $3,110,478 | 74.68% |
Part III Reference tables
Full all-time and cycle-to-date data.
Cycle-over-cycle trajectory
current cycle earlier election cycle off-cycle year quarterly · 7 years
Per-quarter totals
| Year | Q | Cycle | Total | Txns | Top buyer · share | Top category · share | Cum. (cycle) | YoY % |
|---|---|---|---|---|---|---|---|---|
| 2018 | Q3 | 2018 | $10K | 2 | COSTA, JIM 100% | Strategy & Research 100% | $10K | — |
| 2018 | Q4 | 2018 | $22K | 4 | COSTA, JIM 100% | Strategy & Research 100% | $33K | — |
| 2020 | Q1 | 2020 | $40K | 7 | COSTA, JIM 63% | Strategy & Research 100% | $40K | — |
| 2020 | Q3 | 2020 | $22K | 1 | YES ON 15 - SCHOOLS AND COM… 100% | Other / Unclassified 100% | $62K | +110% |
| 2022 | Q1 | 2022 | $10K | 1 | ASHBY FOR SENATE 2022; ANGE… 100% | Strategy & Research 100% | $10K | -75% |
| 2022 | Q2 | 2022 | $194K | 13 | HURTADO FOR SENATE 2022 46% | Field & Voter Contact 69% | $204K | — |
| 2022 | Q3 | 2022 | $145K | 9 | COSTA, JIM 73% | Strategy & Research 96% | $349K | +570% |
| 2022 | Q4 | 2022 | $840K | 63 | HURTADO FOR SENATE 2022 26% | Strategy & Research 59% | $1.19M | — |
| 2023 | Q1 | 2022 | $3K | 4 | HURTADO FOR SENATE 2022 100% | Wages & Payroll 71% | $1.19M | — |
| 2024 | Q1 | 2024 | $252K | 10 | KEEP CALIFORNIA GOLDEN 28% | Strategy & Research 46% | $252K | +2417% |
| 2024 | Q3 | 2024 | $490K | 11 | DCCC 46% | Strategy & Research 98% | $742K | +239% |
| 2024 | Q4 | 2024 | $548K | 24 | COSTA, JIM 23% | Strategy & Research 85% | $1.29M | -35% |
| 2025 | Q1 | 2024 | $94K | 2 | 741666 100% | Strategy & Research 100% | $1.38M | +3243% |
| 2025 | Q2 | 2024 | $1K | 1 | 741666 100% | Strategy & Research 100% | $1.39M | — |
| 2025 | Q3 | 2024 | $125K | 2 | VOTE NOW CALIFORNIA 100% | Other / Unclassified 100% | $1.51M | — |
| 2025 | Q3 | 2026 | $5K | 1 | BAINS, JASMEET 100% | Strategy & Research 100% | $5K | — |
| 2025 | Q4 | 2024 | $242K | 3 | VOTE NOW CALIFORNIA 99% | Other / Unclassified 99% | $1.75M | — |
| 2026 | Q1 | 2026 | $281K | 16 | CALIFORNIA ALLIANCE OF FAMI… 50% | Strategy & Research 70% | $286K | +12% |
| 2026 | Q2 | 2026 | $819K | 14 | CALIFORNIA ALLIANCE OF FAMI… 46% | Strategy & Research 28% | $1.11M | — |
Revenue by service category
No category revenue in this window.
Per-category breakdown · cycle-to-date
| Category | Total spend | Txns | Avg check | % of total | Top buyer · share | Last paid |
|---|---|---|---|---|---|---|
| Strategy & Research | $2,351,709 | 114 | $21K | 65.8% | COSTA, JIM 22% | 3mo ago |
| Field & Voter Contact | $625,757 | 19 | $33K | 17.5% | HURTADO FOR SENATE 2022 46% | 2mo ago |
| Other / Unclassified | $529,092 | 24 | $22K | 14.8% | VOTE NOW CALIFORNIA 69% | 5mo ago |
| Digital | $45,646 | 6 | $8K | 1.3% | COMMITTEE TO SUPPORT THE AL… 58% | 5mo ago |
| Travel & Events | $15,171 | 11 | $1K | 0.4% | HURTADO FOR SENATE 2022 83% | 3mo ago |
| Fundraising | $4,600 | 1 | $5K | 0.1% | BECERRA FOR GOVERNOR 2026 100% | 2mo ago |
| Wages & Payroll | $2,000 | 1 | $2K | 0.1% | HURTADO FOR SENATE 2022 100% | 3y ago |
Client retention
Sticky-relationship signal: how many clients keep coming back across cycles vs one-time buyers.
3
Anchor clients 3+ cycles
$1,007,427 · 24% of revenue
0
Repeat clients 2 cycles
$0 · 0% of revenue
27
One-time clients 1 cycle
$3,135,410 · 76% of revenue
Top 3 anchor clients · all-time
| Client | Cycles | All-time spend | Txns | First paid | Last paid |
|---|---|---|---|---|---|
| COSTA, JIM | 4 | $522,346 | 23 | 2018-08-31 | 2024-11-23 |
| KEEP CALIFORNIA GOLDEN | 3 | $243,010 | 7 | 2020-02-24 | 2026-05-12 |
| 741666 | 3 | $242,071 | 7 | 2022-12-01 | 2026-05-13 |
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 | $3,842,837 | 92.8% | 29 | |
| DC | $300,000 | 7.2% | 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 | 2024-08-16 | DCCC | Strategy & Research | GENERIC CMTE. GOTV CONSULTING | $150,000 |
| Largest all-time | 2026-03-27 | CALIFORNIA ALLIANCE OF FAMILY OWNED BUSINESSES PAC | Strategy & Research | — | $141,856 |
| Largest all-time | 2026-05-14 | CALIFORNIA ALLIANCE OF FAMILY OWNED BUSINESSES PAC | — | SEE SCHEDULE G | $131,956 |
| Largest all-time | 2026-05-14 | CALIFORNIA ALLIANCE OF FAMILY OWNED BUSINESSES PAC | — | — | $124,014 |
| Largest all-time | 2026-04-06 | CALIFORNIA ALLIANCE OF FAMILY OWNED BUSINESSES PAC | Strategy & Research | — | $124,014 |
| Largest this cycle | 2026-05-12 | KEEP CALIFORNIA GOLDEN | Field & Voter Contact | Canvassing/Support/Andrae Gonzales/State Assembly/District 35 | $88,442 |
| Recent | 2026-04-29 | KEEPING CALIFORNIANS WORKING, A COALITION OF INSURANCE AGENTS, ENERGY, AND HEALTH CARE PROVIDERS | — | CMP, SAL, PHO; Support; Andrae Gonzales; AD 35 | $86,983 |
| Recent | 2026-05-13 | 741666 | — | campaign field coordinator | $54,941 |