Keystone Acquisition Corp.
KEYYW- Exchange
- Nasdaq
- Industry
- Blank Checks
- SEC CIK
- 0002102771
No open-market purchases or sales by Keystone Acquisition Corp. insiders were filed in the last 90 days; 22 institutions reported holding it in 13F filings for Q2 2026, worth $5.44M in total; no superinvestor holds it.
13F holders, Q2 2026
Institutional positions in Keystone Acquisition Corp. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 22
- +22 vs. Q1 2026
- Shares held
- 6.90M
- +6.90M vs. Q1 2026
- Total value
- $5.44M
- +$5.44M vs. Q1 2026
- New holders
- 22
- 0 more added
- Sold out
- 0
- 0 more reduced
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting KEYYW on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 22 | $5.44M |
| Q1 2026 | 0 | $0 |
| Q4 2025 | 0 | $0 |
| Q3 2025 | 0 | $0 |
| Q2 2025 | 0 | $0 |
| Q1 2025 | 0 | $0 |
| Q4 2024 | 0 | $0 |
| Q3 2024 | 0 | $0 |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Keystone Acquisition Corp.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Boothbay Fund Management, LLC | 256,329 | $2.53M | 0.05% | +256,329 | New |
| Harraden Circle Investments, LLC | 908,070 | $399.5K | 0.05% | +908,070 | New |
| Glazer Capital, LLC | 668,221 | $294.0K | 0.01% | +668,221 | New |
| Linden Advisors LP | 696,893 | $292.8K | 0.00% | +696,893 | New |
| Meteora Capital, LLC | 556,690 | $244.9K | 0.02% | +556,690 | New |
| Polar Asset Management Partners Inc. | 550,000 | $241.9K | 0.00% | +550,000 | New |
| Sona Asset Management (US) LLC | 450,000 | $198.0K | 0.01% | +450,000 | New |
| Tenor Capital Management Co., L.P. | 375,000 | $165.0K | 0.00% | +375,000 | New |
| Verition Fund Management LLC | 323,729 | $144.4K | 0.00% | +323,729 | New |
| Hudson Bay Capital Management LP | 300,000 | $133.8K | 0.00% | +300,000 | New |
| Clear Street Group Inc. | 272,649 | $119.9K | 0.00% | +272,649 | New |
| Periscope Capital Inc. | 249,900 | $109.9K | 0.02% | +249,900 | New |
| Shaolin Capital Management LLC | 239,250 | $105.2K | 0.01% | +239,250 | New |
| CSS LLC | 238,875 | $105.1K | 0.00% | +238,875 | New |
| Centiva Capital, LP | 212,500 | $94.8K | 0.00% | +212,500 | New |
| K2 Principal Fund, L.P. | 150,000 | $66.0K | 0.01% | +150,000 | New |
| Saba Capital Management, L.P. | 149,999 | $66.0K | 0.00% | +149,999 | New |
| Mint Tower Capital Management B.V. | 100,000 | $44.0K | 0.01% | +100,000 | New |
| Wolverine Asset Management LLC | 95,397 | $42.0K | 0.00% | +95,397 | New |
| Governors Lane LP | 90,691 | $39.9K | 0.00% | +90,691 | New |
| Toronto Dominion Bank | 17,760 | $7.81K | 0.00% | +17,760 | New |
| Highbridge Capital Management LLC | – | $215 | 0.00% | – | New |