Grindstone Research
$344K
2025-2026 cycle
Grindstone Research is a political services vendor. In the 2025-2026 cycle Grindstone Research was paid $344K across 26 client committees, of which $12K 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
$344K
=
$332K
(Schedule B)
+
$12K
(Independent Expenditures)
| Schedule B direct committee payments |
$331,886 | 81 rows | 96.5% |
| Independent Expenditures money this entity spent supporting candidates, NOT a committee paying them |
$12,032 | 3 rows | 3.5% |
- Activity span ALL TIME
- Jan 29, 2017 → Jul 22, 2026
- spans 9.5 years
- Disbursements ALL TIME
- 81
- Schedule B + IE rows
- Client committees ALL TIME
- 26
- 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.
Aug 2025
Jul 2026
$133K
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 3
VIEW 2 TABLE EXPORTABLE
| Filer | Total spend | Disbursements |
|---|---|---|
| LYNCH, STEPHEN MA · House DEM |
$9,000 | 2 |
| EL-SAYED, ABDUL MI · Senate DEM |
$3,500 | 2 |
| FINNIE, SHAUN TX · House DEM |
$1,091 | 1 |
VIEW 1 DIAGRAM DECORATIVE
Top buyers last 6 months · top 10
VIEW 2 TABLE EXPORTABLE
| Filer | Total spend | Disbursements |
|---|---|---|
| LYNCH, STEPHEN MA · House DEM |
$14,000 | 3 |
| COMMITTEE FOR WORKING FAMILIES, SPONSORED BY LABOR ORGANIZATIONS C00626119 |
$12,032 IE $12,032 |
3 |
| FINNIE, SHAUN TX · House DEM |
$10,341 | 4 |
| VALDEZ, CLAIRE NY · House DEM |
$8,000 | 1 |
| MCKINNEY, DONAVAN MI · House DEM |
$8,000 | 1 |
| MACY, BETH VA · House DEM |
$7,750 | 1 |
| DUNLAP, MATT ME · House DEM |
$5,500 | 1 |
| SYKES, EMILIA OH · House DEM |
$4,750 | 2 |
| EL-SAYED, ABDUL MI · Senate DEM |
$4,600 | 4 |
| URRUTIA, CHRISTIAN NH · House DEM |
$4,500 | 1 |
VIEW 1 DIAGRAM DECORATIVE
Top buyers last 12 months · top 10
VIEW 2 TABLE EXPORTABLE
| Filer | Total spend | Disbursements |
|---|---|---|
| FINNIE, SHAUN TX · House DEM |
$23,461 | 6 |
| EL-SAYED, ABDUL MI · Senate DEM |
$15,200 | 10 |
| LYNCH, STEPHEN MA · House DEM |
$14,000 | 3 |
| COMMITTEE FOR WORKING FAMILIES, SPONSORED BY LABOR ORGANIZATIONS C00626119 |
$12,032 IE $12,032 |
3 |
| URRUTIA, CHRISTIAN NH · House DEM |
$9,000 | 2 |
| VALDEZ, CLAIRE NY · House DEM |
$8,000 | 1 |
| MCKINNEY, DONAVAN MI · House DEM |
$8,000 | 1 |
| MACY, BETH VA · House DEM |
$7,750 | 1 |
| AVILA CHEVALIER, DARIALIZA NY · House DEM |
$7,500 | 2 |
| DUNLAP, MATT ME · House DEM |
$5,500 | 1 |
VIEW 1 DIAGRAM DECORATIVE
Top buyers last 18 months · top 10
VIEW 2 TABLE EXPORTABLE
| Filer | Total spend | Disbursements |
|---|---|---|
| FINNIE, SHAUN TX · House DEM |
$36,711 | 7 |
| EL-SAYED, ABDUL MI · Senate DEM |
$33,700 | 12 |
| LYNCH, STEPHEN MA · House DEM |
$14,000 | 3 |
| COMMITTEE FOR WORKING FAMILIES, SPONSORED BY LABOR ORGANIZATIONS C00626119 |
$12,032 IE $12,032 |
3 |
| URRUTIA, CHRISTIAN NH · House DEM |
$9,000 | 2 |
| VALDEZ, CLAIRE NY · House DEM |
$8,000 | 1 |
| MCKINNEY, DONAVAN MI · House DEM |
$8,000 | 1 |
| MACY, BETH VA · House DEM |
$7,750 | 1 |
| AVILA CHEVALIER, DARIALIZA NY · House DEM |
$7,500 | 2 |
| DUNLAP, MATT ME · House DEM |
$5,500 | 1 |
VIEW 1 DIAGRAM DECORATIVE
Top buyers last 24 months · top 10
VIEW 2 TABLE EXPORTABLE
| Filer | Total spend | Disbursements |
|---|---|---|
| FINNIE, SHAUN TX · House DEM |
$36,711 | 7 |
| EL-SAYED, ABDUL MI · Senate DEM |
$33,700 | 12 |
| LYNCH, STEPHEN MA · House DEM |
$14,000 | 3 |
| COMMITTEE FOR WORKING FAMILIES, SPONSORED BY LABOR ORGANIZATIONS C00626119 |
$12,032 IE $12,032 |
3 |
| URRUTIA, CHRISTIAN NH · House DEM |
$9,000 | 2 |
| MCKINNEY, DONAVAN MI · House DEM |
$8,000 | 1 |
| VALDEZ, CLAIRE NY · House DEM |
$8,000 | 1 |
| MACY, BETH VA · House DEM |
$7,750 | 1 |
| AVILA CHEVALIER, DARIALIZA NY · House DEM |
$7,500 | 2 |
| DUNLAP, MATT ME · House DEM |
$5,500 | 1 |
By party
Revenue by party
D · 100%
R · 0%
| Party | Amount | % |
|---|---|---|
| Democratic | $309,722 | 90.06% |
| Republican | $0 | 0.00% |
| Non-partisan | $34,196 | 9.94% |
Part III Reference tables
Full all-time and cycle-to-date data.
Money flow through this vendor
Where their ad buys point
IE payers (left) → races the buys targeted (right) · independent-expenditure filings onlyNo activity in the last 1 months.
No activity in the last 3 months.
Cycle-over-cycle trajectory
current cycle earlier election cycle off-cycle year quarterly · 10 years
Per-quarter totals
| Year | Q | Cycle | Total | Txns | Top buyer · share | Top category · share | Cum. (cycle) | YoY % |
|---|---|---|---|---|---|---|---|---|
| 2017 | Q1 | 2018 | $4K | 1 | MOULTON, SETH 100% | Strategy & Research 100% | $4K | — |
| 2017 | Q3 | 2018 | $1K | 1 | MOULTON, SETH 100% | Strategy & Research 100% | $5K | — |
| 2017 | Q4 | 2018 | $18K | 3 | GOLDEN, JARED 39% | Strategy & Research 62% | $23K | — |
| 2018 | Q1 | 2018 | $16K | 5 | CONOR LAMB FOR SENATE 48% | Strategy & Research 74% | $39K | — |
| 2018 | Q2 | 2018 | $3K | 1 | CANON FOR INDIANA 100% | Strategy & Research 100% | $41K | — |
| 2018 | Q3 | 2018 | $2K | 2 | GOLDEN, JARED 87% | Strategy & Research 100% | $43K | — |
| 2019 | Q2 | 2020 | $5K | 1 | SHANNON HUTCHESON FOR CONGR… 100% | Strategy & Research 100% | $5K | — |
| 2019 | Q3 | 2020 | $21K | 4 | SHANNON HUTCHESON FOR CONGR… 44% | Strategy & Research 100% | $26K | +1617% |
| 2019 | Q4 | 2020 | $19K | 7 | MAHONY FOR U.S. SENATE 53% | Strategy & Research 100% | $45K | +6% |
| 2020 | Q1 | 2020 | $31K | 5 | BLOOMBERG, MICHAEL R. 55% | Strategy & Research 94% | $76K | +100% |
| 2020 | Q2 | 2020 | $7K | 1 | EHR FOR CONGRESS 100% | Strategy & Research 100% | $83K | +180% |
| 2020 | Q3 | 2020 | $12K | 3 | EHR FOR CONGRESS 57% | Strategy & Research 100% | $94K | +400% |
| 2020 | Q4 | 2020 | $3K | 1 | COMMITTEE TO ELECT PAM KEITH 100% | Strategy & Research 100% | $97K | — |
| 2021 | Q1 | 2020 | $13K | 2 | 761128 100% | Strategy & Research 100% | $110K | — |
| 2022 | Q1 | 2022 | $5K | 2 | GOLDEN, JARED 100% | Strategy & Research 100% | $5K | -84% |
| 2022 | Q2 | 2022 | $5K | 1 | 761128 100% | Other / Unclassified 100% | $10K | -29% |
| 2023 | Q3 | 2024 | $8K | 1 | SYKES, EMILIA 100% | Strategy & Research 100% | $8K | — |
| 2023 | Q4 | 2024 | $16K | 3 | MAINSTREAM DEMOCRATS PAC 60% | Strategy & Research 100% | $24K | — |
| 2024 | Q4 | 2024 | $6K | 3 | 761128 83% | Strategy & Research 100% | $30K | — |
| 2025 | Q2 | 2026 | $6K | 1 | EL-SAYED, ABDUL 100% | Strategy & Research 100% | $6K | — |
| 2025 | Q3 | 2026 | $26K | 2 | FINNIE, SHAUN 51% | Strategy & Research 100% | $32K | +243% |
| 2025 | Q4 | 2026 | $21K | 4 | FINNIE, SHAUN 60% | Strategy & Research 100% | $53K | +29% |
| 2026 | Q1 | 2026 | $23K | 11 | AVILA CHEVALIER, DARIALIZA 32% | Strategy & Research 28% | $76K | — |
| 2026 | Q2 | 2026 | $57K | 14 | LYNCH, STEPHEN 17% | — | $133K | — |
| 2026 | Q3 | 2026 | $5K | 2 | LYNCH, STEPHEN 83% | — | $139K | — |
Revenue by service category
No category revenue in this window.
No category revenue in this window.
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 | $234,644 | 55 | $4K | 92.9% | EL-SAYED, ABDUL 12% | 6mo ago |
| Legal & Compliance | $10,800 | 3 | $4K | 4.3% | CANON FOR INDIANA 100% | 8y ago |
| Other / Unclassified | $5,000 | 1 | $5K | 2.0% | 761128 100% | 4y ago |
| Print & Mail | $2,000 | 1 | $2K | 0.8% | BLOOMBERG, MICHAEL R. 100% | 6y ago |
Client retention
Sticky-relationship signal: how many clients keep coming back across cycles vs one-time buyers.
2
Anchor clients 3+ cycles
$45,250 · 14% of revenue
1
Repeat clients 2 cycles
$18,750 · 6% of revenue
23
One-time clients 1 cycle
$267,886 · 81% of revenue
Top 2 anchor clients · all-time
| Client | Cycles | All-time spend | Txns | First paid | Last paid |
|---|---|---|---|---|---|
| 761128 | 3 | $23,250 | 5 | 2021-02-04 | 2024-11-21 |
| GOLDEN, JARED | 4 | $22,000 | 8 | 2017-12-07 | 2024-10-16 |
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 | |
|---|---|---|---|---|
| TX | $58,961 | 19.3% | 3 | |
| NY | $48,000 | 15.7% | 4 | |
| MI | $41,700 | 13.7% | 2 | |
| ME | $27,500 | 9.0% | 2 | |
| CA | $23,250 | 7.6% | 1 | |
| MA | $19,200 | 6.3% | 2 | |
| OH | $18,750 | 6.1% | 1 | |
| AR | $18,550 | 6.1% | 1 | |
| MD | $13,500 | 4.4% | 1 | |
| KY | $13,300 | 4.4% | 1 | |
| PA | $13,000 | 4.3% | 2 | |
| DC | $9,750 | 3.2% | 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 | 2020-02-10 | BLOOMBERG, MICHAEL R. | Strategy & Research | MEDIA CONSULTING | $15,000 |
| Largest all-time | 2025-09-08 | FINNIE, SHAUN | Strategy & Research | CONSULTANT - RESEARCH | $13,250 |
| Largest all-time | 2025-10-14 | FINNIE, SHAUN | Strategy & Research | CONSULTANT - RESEARCH | $12,500 |
| Largest all-time | 2025-08-21 | EL-SAYED, ABDUL | Strategy & Research | RESEARCH CONSULTING | $12,500 |
| Largest all-time | 2021-03-16 | 761128 | Strategy & Research | Research | $10,250 |
| Largest this cycle | 2026-04-02 | MCKINNEY, DONAVAN | — | RESEARCH CONSULTING | $8,000 |
| Largest this cycle | 2026-04-06 | VALDEZ, CLAIRE | — | RESEARCH SERVICES | $8,000 |
| Recent | 2026-07-22 | LYNCH, STEPHEN | — | RESEARCH SERVICES | $4,500 |
| Recent | 2026-06-22 | LYNCH, STEPHEN | — | RESEARCH SERVICES | $4,500 |
| Recent | 2026-06-09 | EL-SAYED, ABDUL | — | POLLING | $2,600 |
| Recent | 2026-06-15 | FINNIE, SHAUN | — | REIMBURSEMENT (VENDORS THAT AGGREGATE OVER $200 LISTED BELOW) | $1,091 |
| Recent | 2026-07-07 | EL-SAYED, ABDUL | — | RESEARCH CONSULTING | $900 |