YSS York Space Systems Inc.
York Space Systems Inc. (YSS) Institutional Ownership
What the institutions did with YSS last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended June 30, 2026.
Every manager below opens. Subscribers can see any firm's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.
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Each block is one manager, sized by shares held and colored by how much they moved the position last quarter. Green added, red cut, grey stood pat.
Largest holders
| Manager | Shares | % of reported |
|---|---|---|
| BlackRock, Inc. | 19.2M | 29.6% |
| AE INDUSTRIAL PARTNERS, LP | 11.7M | 18.0% |
| Allianz Asset Management GmbH | 2.7M | 4.2% |
| Hood River Capital Management LLC | 2.0M | 3.0% |
| Tema ETFs LLC | 1.9M | 2.9% |
| Tidal Investments LLC | 1.8M | 2.8% |
| WESTWOOD HOLDINGS GROUP INC | 1.7M | 2.7% |
| VOYA INVESTMENT MANAGEMENT LLC | 1.6M | 2.5% |
| UBS Group AG | 1.5M | 2.3% |
| STATE STREET CORP | 1.4M | 2.2% |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 1.4M | 2.1% |
| Clearbridge Investments, LLC | 1.3M | 2.0% |
| Temasek Holdings (Private) Ltd | 1.0M | 1.6% |
| SYSTEMATIC FINANCIAL MANAGEMENT LP | 961.2K | 1.5% |
| VANGUARD CAPITAL MANAGEMENT LLC | 844.1K | 1.3% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 821.0K | 1.3% |
| FRONTIER CAPITAL MANAGEMENT CO LLC | 733.0K | 1.1% |
| Burkehill Global Management, LP | 668.7K | 1.0% |
| Penserra Capital Management LLC | 642.0K | 1.0% |
| SEI INVESTMENTS CO | 632.6K | 1.0% |
| ExodusPoint Capital Management, LP | 570.8K | 0.9% |
| Allspring Global Investments Holdings, LLC | 557.3K | 0.9% |
| Granahan Investment Management, LLC | 468.2K | 0.7% |
| SCHRODER INVESTMENT MANAGEMENT GROUP | 465.1K | 0.7% |
| GEODE CAPITAL MANAGEMENT, LLC | 459.7K | 0.7% |
Largest changes
| Manager | Action | Previous | Current | Change |
|---|---|---|---|---|
| Tema ETFs LLC | Increased | 1.2K | 1.9M | +1.9M |
| Tidal Investments LLC | New | 0 | 1.8M | +1.8M |
| Bank of New York Mellon Corp | Reduced | 1.7M | 56.9K | -1.6M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | Increased | 8.4K | 1.4M | +1.4M |
| WESTWOOD HOLDINGS GROUP INC | Increased | 409.2K | 1.7M | +1.3M |
| WELLINGTON MANAGEMENT GROUP LLP | Reduced | 1.3M | 171.9K | -1.2M |
| STATE STREET CORP | Increased | 346.0K | 1.4M | +1.1M |
| Hood River Capital Management LLC | Increased | 988.5K | 2.0M | +975.4K |
| CITADEL ADVISORS LLC | Reduced | 947.9K | 27.3K | -920.6K |
| FRONTIER CAPITAL MANAGEMENT CO LLC | New | 0 | 733.0K | +733.0K |
| LORD, ABBETT & CO. LLC | Reduced | 818.0K | 155.1K | -662.9K |
| Penserra Capital Management LLC | New | 0 | 642.0K | +642.0K |
| AMERIPRISE FINANCIAL INC | Reduced | 622.9K | 37.0K | -585.9K |
| Temasek Holdings (Private) Ltd | Increased | 450.0K | 1.0M | +577.8K |
| Daiwa Securities Group Inc. | Reduced | 622.8K | 46.6K | -576.2K |
| VOYA INVESTMENT MANAGEMENT LLC | Increased | 1.1M | 1.6M | +540.7K |
| SYSTEMATIC FINANCIAL MANAGEMENT LP | Increased | 456.9K | 961.2K | +504.3K |
| Granahan Investment Management, LLC | Reduced | 967.6K | 468.2K | -499.4K |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | Reduced | 518.3K | 26.3K | -492.1K |
| UBS Group AG | Increased | 1.1M | 1.5M | +458.9K |
| AE INDUSTRIAL PARTNERS, LP | Increased | 11.3M | 11.7M | +430.1K |
| Artisan Partners Limited Partnership | Reduced | 705.7K | 311.4K | -394.3K |
| Roubaix Capital, LLC | Sold Out | 382.9K | 0 | -382.9K |
| ArrowMark Colorado Holdings LLC | Reduced | 648.5K | 268.9K | -379.6K |
| FRANKLIN RESOURCES INC | Sold Out | 359.7K | 0 | -359.7K |
| NISSAY ASSET MANAGEMENT CORP /JAPAN | New | 0 | 345.1K | +345.1K |
| Ophir Asset Management Pty Ltd | Sold Out | 300.7K | 0 | -300.7K |
| Balyasny Asset Management L.P. | Reduced | 305.0K | 4.9K | -300.1K |
| Alyeska Investment Group, L.P. | Sold Out | 288.6K | 0 | -288.6K |
| CenterBook Partners LP | Sold Out | 288.5K | 0 | -288.5K |
| TORONTO DOMINION BANK | New | 0 | 263.0K | +263.0K |
| BANK OF AMERICA CORP /DE/ | Increased | 110.8K | 370.4K | +259.6K |
| Alpine Global Management, LLC | Sold Out | 247.1K | 0 | -247.1K |
| SEGALL BRYANT & HAMILL, LLC | New | 0 | 235.6K | +235.6K |
| Stephens Investment Management Group LLC | Reduced | 571.8K | 348.8K | -223.1K |
| SEI INVESTMENTS CO | Increased | 415.5K | 632.6K | +217.2K |
| Ghisallo Capital Management LLC | Reduced | 407.8K | 200.0K | -207.8K |
| Weiss Asset Management LP | Sold Out | 202.2K | 0 | -202.2K |
| BlackRock, Inc. | Increased | 19.0M | 19.2M | +200.3K |
| Hudson Bay Capital Management LP | Sold Out | 197.1K | 0 | -197.1K |
| NEXT CENTURY GROWTH INVESTORS LLC | Sold Out | 191.8K | 0 | -191.8K |
| Longaeva Partners L.P. | Reduced | 210.0K | 25.3K | -184.7K |
| Allspring Global Investments Holdings, LLC | Reduced | 732.3K | 557.3K | -174.9K |
| Vident Advisory, LLC | New | 0 | 170.5K | +170.5K |
| Aperture Investors, LLC | Sold Out | 165.1K | 0 | -165.1K |
| FEDERATED HERMES, INC. | Reduced | 288.5K | 133.2K | -155.3K |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | 11.8K | 152.2K | +140.4K |
| TCW GROUP INC | New | 0 | 128.3K | +128.3K |
| Zimmer Partners, LP | Sold Out | 115.0K | 0 | -115.0K |
| LMR Partners LLP | Sold Out | 110.7K | 0 | -110.7K |
| GOLDMAN SACHS GROUP INC | Increased | 53.6K | 156.6K | +103.0K |
| MORGAN STANLEY | Increased | 283.7K | 386.5K | +102.9K |
| D. E. Shaw & Co., Inc. | Sold Out | 100.9K | 0 | -100.9K |
| SEVEN GRAND MANAGERS, LLC | Reduced | 150.0K | 50.0K | -100.0K |
| Schonfeld Strategic Advisors LLC | Sold Out | 100.0K | 0 | -100.0K |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | Reduced | 400.0K | 300.0K | -100.0K |
| FIFTH THIRD BANCORP | Increased | 481 | 97.4K | +96.9K |
| Empyrean Capital Partners, LP | Sold Out | 95.0K | 0 | -95.0K |
| Brevan Howard Capital Management LP | Reduced | 108.7K | 16.2K | -92.5K |
| Nuveen, LLC | Increased | 20.7K | 105.4K | +84.7K |
13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.