York Space Systems Inc.
YSS- Exchange
- NYSE
- Industry
- Guided Missiles & Space Vehicles & Parts
- SEC CIK
- 0002086587
In the last 90 days, York Space Systems Inc. insiders filed 0 open-market purchases and 4 sales; 162 institutions reported holding it in 13F filings for Q2 2026, worth $1.60B in total; Soros Fund Management is the only superinvestor holding it.
13F holders, Q1 2026
Institutional positions in York Space Systems Inc. as of Mar 31, 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
- 140
- +140 vs. Q4 2025
- Shares held
- 62.1M
- +62.1M vs. Q4 2025
- Total value
- $1.38B
- +$1.38B vs. Q4 2025
- New holders
- 140
- 0 more added
- Sold out
- 0
- 0 more reduced
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting YSS 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 | 162 | $1.60B |
| Q1 2026 | 140 | $1.38B |
| 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, Q1 2026
Shares, value and share of portfolio for each institution holding York Space Systems Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| CenterBook Partners LP | 288,474 | $6.40M | 0.34% | +288,474 | New |
| Federated Hermes, Inc. | 288,500 | $6.40M | 0.01% | +288,500 | New |
| Alyeska Investment Group, L.P. | 288,632 | $6.40M | 0.02% | +288,632 | New |
| Ophir Asset Management Pty Ltd | 300,664 | $6.67M | 0.78% | +300,664 | New |
| Balyasny Asset Management LLC | 305,038 | $6.76M | 0.01% | +305,038 | New |
| State Street Corp | 346,049 | $7.67M | 0.00% | +346,049 | New |
| Franklin Resources Inc | 359,679 | $7.97M | 0.00% | +359,679 | New |
| American Century Companies Inc | 364,550 | $8.08M | 0.00% | +364,550 | New |
| Roubaix Capital, LLC | 382,906 | $8.49M | 3.96% | +382,906 | New |
| Healthcare of Ontario Pension Plan Trust Fund | 400,000 | $8.87M | 0.01% | +400,000 | New |
| Ghisallo Capital Management LLC | 407,837 | $9.04M | 0.25% | +407,837 | New |
| Westwood Holdings Group Inc. | 409,186 | $9.07M | 0.07% | +409,186 | New |
| SEI Investments Co | 415,456 | $9.21M | 0.01% | +415,456 | New |
| Geode Capital Management, LLC | 428,080 | $9.49M | 0.00% | +428,080 | New |
| Temasek Holdings (Private) Ltd | 450,000 | $9.98M | 0.03% | +450,000 | New |
| Systematic Financial Management LP | 456,924 | $10.1M | 0.23% | +456,924 | New |
| Schroder Investment Management Group | 485,456 | $10.2M | 0.01% | +485,456 | New |
| Massachusetts Financial Services Co | 518,343 | $11.5M | 0.00% | +518,343 | New |
| Stephens Investment Management Group LLC | 571,847 | $12.7M | 0.17% | +571,847 | New |
| ExodusPoint Capital Management, LP | 593,122 | $13.1M | 0.13% | +593,122 | New |
| Daiwa Securities Group Inc. | 622,792 | $13.8M | 0.04% | +622,792 | New |
| Ameriprise Financial Inc | 622,896 | $13.8M | 0.00% | +622,896 | New |
| ArrowMark Colorado Holdings LLC | 648,504 | $14.4M | 0.38% | +648,504 | New |
| Burkehill Global Management, LP | 668,705 | $14.8M | 0.74% | +668,705 | New |
| Artisan Partners Limited Partnership | 705,746 | $15.6M | 0.03% | +705,746 | New |
| Allspring Global Investments Holdings, LLC | 732,251 | $17.3M | 0.03% | +732,251 | New |
| Vanguard Portfolio Management LLC | 787,414 | $17.5M | 0.00% | +787,414 | New |
| Lord, Abbett & Co. LLC | 817,976 | $18.1M | 0.06% | +817,976 | New |
| Vanguard Capital Management LLC | 839,464 | $18.6M | 0.00% | +839,464 | New |
| Citadel Advisors LLC | 947,893 | $21.0M | 0.01% | +947,893 | New |
| Granahan Investment Management Inc | 967,610 | $21.5M | 1.04% | +967,610 | New |
| Hood River Capital Management LLC | 988,510 | $21.9M | 0.22% | +988,510 | New |
| UBS Group AG | 1,053,844 | $23.4M | 0.00% | +1,053,844 | New |
| Voya Investment Management LLC | 1,077,610 | $23.9M | 0.02% | +1,077,610 | New |
| Wellington Management Group LLP | 1,326,953 | $29.4M | 0.01% | +1,326,953 | New |
| Clearbridge Investments, LLC | 1,345,454 | $29.8M | 0.03% | +1,345,454 | New |
| Bank of New York Mellon Corp | 1,680,305 | $37.3M | 0.01% | +1,680,305 | New |
| Allianz Asset Management GmbH | 2,726,783 | $60.5M | 0.07% | +2,726,783 | New |
| Ae Industrial Partners, LP | 11,297,923 | $250.5M | 15.37% | +11,297,923 | New |
| BlackRock, Inc. | 19,012,439 | $421.5M | 0.01% | +19,012,439 | New |