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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.

Institutional holdersQ1 2026: 140 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 0 institutionsQ4 2022: 0 institutionsQ1 2023: 0 institutionsQ2 2023: 0 institutionsQ3 2023: 0 institutionsQ4 2023: 0 institutionsQ1 2024: 0 institutionsQ2 2024: 0 institutionsQ3 2024: 0 institutionsQ4 2024: 0 institutionsQ1 2025: 0 institutionsQ2 2025: 0 institutionsQ3 2025: 0 institutionsQ4 2025: 0 institutionsQ1 2026: 140 institutionsQ2 2026: 162 institutions
Value heldQ1 2026: $1.38B
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $0Q4 2022: $0Q1 2023: $0Q2 2023: $0Q3 2023: $0Q4 2023: $0Q1 2024: $0Q2 2024: $0Q3 2024: $0Q4 2024: $0Q1 2025: $0Q2 2025: $0Q3 2025: $0Q4 2025: $0Q1 2026: $1.38BQ2 2026: $1.60B
Institutions holding YSS and their total value by quarter
QuarterHoldersValue
Q2 2026162$1.60B
Q1 2026140$1.38B
Q4 20250$0
Q3 20250$0
Q2 20250$0
Q1 20250$0
Q4 20240$0
Q3 20240$0
Q2 20240$0
Q1 20240$0
Q4 20230$0
Q3 20230$0
Q2 20230$0
Q1 20230$0
Q4 20220$0
Q3 20220$0
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding York Space Systems Inc.; share changes are against Q4 2025.

Institutions holding YSS in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.19,012,439$421.5M0.01%+19,012,439New
Ae Industrial Partners, LP11,297,923$250.5M15.37%+11,297,923New
Allianz Asset Management GmbH2,726,783$60.5M0.07%+2,726,783New
Bank of New York Mellon Corp1,680,305$37.3M0.01%+1,680,305New
Clearbridge Investments, LLC1,345,454$29.8M0.03%+1,345,454New
Wellington Management Group LLP1,326,953$29.4M0.01%+1,326,953New
Voya Investment Management LLC1,077,610$23.9M0.02%+1,077,610New
UBS Group AG1,053,844$23.4M0.00%+1,053,844New
Hood River Capital Management LLC988,510$21.9M0.22%+988,510New
Granahan Investment Management Inc967,610$21.5M1.04%+967,610New
Citadel Advisors LLC947,893$21.0M0.01%+947,893New
Vanguard Capital Management LLC839,464$18.6M0.00%+839,464New
Lord, Abbett & Co. LLC817,976$18.1M0.06%+817,976New
Vanguard Portfolio Management LLC787,414$17.5M0.00%+787,414New
Allspring Global Investments Holdings, LLC732,251$17.3M0.03%+732,251New
Artisan Partners Limited Partnership705,746$15.6M0.03%+705,746New
Burkehill Global Management, LP668,705$14.8M0.74%+668,705New
ArrowMark Colorado Holdings LLC648,504$14.4M0.38%+648,504New
Ameriprise Financial Inc622,896$13.8M0.00%+622,896New
Daiwa Securities Group Inc.622,792$13.8M0.04%+622,792New
ExodusPoint Capital Management, LP593,122$13.1M0.13%+593,122New
Stephens Investment Management Group LLC571,847$12.7M0.17%+571,847New
Massachusetts Financial Services Co518,343$11.5M0.00%+518,343New
Schroder Investment Management Group485,456$10.2M0.01%+485,456New
Systematic Financial Management LP456,924$10.1M0.23%+456,924New
Temasek Holdings (Private) Ltd450,000$9.98M0.03%+450,000New
Geode Capital Management, LLC428,080$9.49M0.00%+428,080New
SEI Investments Co415,456$9.21M0.01%+415,456New
Westwood Holdings Group Inc.409,186$9.07M0.07%+409,186New
Ghisallo Capital Management LLC407,837$9.04M0.25%+407,837New
Healthcare of Ontario Pension Plan Trust Fund400,000$8.87M0.01%+400,000New
Roubaix Capital, LLC382,906$8.49M3.96%+382,906New
American Century Companies Inc364,550$8.08M0.00%+364,550New
Franklin Resources Inc359,679$7.97M0.00%+359,679New
State Street Corp346,049$7.67M0.00%+346,049New
Balyasny Asset Management LLC305,038$6.76M0.01%+305,038New
Ophir Asset Management Pty Ltd300,664$6.67M0.78%+300,664New
Alyeska Investment Group, L.P.288,632$6.40M0.02%+288,632New
Federated Hermes, Inc.288,500$6.40M0.01%+288,500New
CenterBook Partners LP288,474$6.40M0.34%+288,474New
Morgan Stanley283,663$6.29M0.00%+283,663New
Alpine Global Management, LLC247,079$5.48M0.83%+247,079New
Longaeva Partners L.P.210,000$4.66M0.22%+210,000New
Resolute Capital Asset Partners LLC204,206$4.53M2.38%+204,206New
Weiss Asset Management LP202,156$4.48M0.08%+202,156New
Hudson Bay Capital Management LP197,121$4.37M0.03%+197,121New
Next Century Growth Investors LLC191,817$4.25M0.31%+191,817New
New York State Common Retirement Fund178,593$3.96M0.01%+178,593New
Aperture Investors, LLC165,119$3.66M0.46%+165,119New
Charles Schwab Investment Management Inc156,290$3.46M0.00%+156,290New
Swedbank AB154,568$3.43M0.00%+154,568New
Blackstone Group Inc.150,000$3.33M0.01%+150,000New
Seven Grand Managers, LLC150,000$3.33M0.22%+150,000New
Northern Trust Corp136,622$3.03M0.00%+136,622New
Vanguard Fiduciary Trust Co128,227$2.84M0.00%+128,227New
Zimmer Partners, LP115,000$2.55M0.06%+115,000New
Bank of America Corp110,848$2.46M0.00%+110,848New
LMR Partners LLP110,689$2.45M0.02%+110,689New
Stenahm Asset Managment Ltd110,651$2.45M1.19%+110,651New
Brevan Howard Capital Management LP108,711$2.41M0.02%+108,711New
D. E. Shaw & Co., Inc.100,926$2.24M0.00%+100,926New
Schonfeld Strategic Advisors LLC100,000$2.22M0.02%+100,000New
FMR LLC95,580$2.12M0.00%+95,580New
Empyrean Capital Partners, LP95,000$2.11M0.07%+95,000New
Wells Fargo & Company90,895$2.02M0.00%+90,895New
XTX Topco Ltd90,728$2.01M0.03%+90,728New
Brinker Capital Investments, LLC81,560$1.81M0.02%+81,560New
H Squared Management LP81,250$1.80M1.66%+81,250New
Diametric Capital, LP73,854$1.64M0.43%+73,854New
Fred Alger Management, LLC68,781$1.52M0.01%+68,781New
Renaissance Technologies LLC67,171$1.49M0.00%+67,171New
Raymond James Financial Inc66,227$1.47M0.00%+66,227New
Walleye Capital LLC54,007$1.20M0.01%+54,007New
Goldman Sachs Group Inc53,649$1.19M0.00%+53,649New
State of Wisconsin Investment Board40,000$886.8K0.00%+40,000New
Two Sigma Investments, LP38,356$850.4K0.00%+38,356New
Royal Bank of Canada38,296$849.0K0.00%+38,296New
Scopus Asset Management, L.P.32,932$730.1K0.02%+32,932New
Woodline Partners LP30,000$665.1K0.00%+30,000New
Polymer Capital Management (US) LLC30,000$665.1K0.10%+30,000New
JPMorgan Chase & Co29,523$621.2K0.00%+29,523New
Teachers Retirement System of the State of Kentucky22,295$494.0K0.00%+22,295New
Davidson Kempner Capital Management LP21,400$474.4K0.01%+21,400New
Harbor Capital Advisors, Inc.21,239$471.0K0.04%+21,239New
Atom Investors LP20,881$462.9K0.03%+20,881New
Nuveen, LLC20,666$458.2K0.00%+20,666New
Exchange Traded Concepts, LLC17,902$396.9K0.00%+17,902New
Gamco Investors, Inc. Et Al17,847$395.7K0.00%+17,847New
Oxford Asset Management LLP17,763$393.8K0.16%+17,763New
Barclays PLC16,842$373.4K0.00%+16,842New
Gabelli Funds LLC15,572$345.2K0.00%+15,572New
Rhumbline Advisers15,450$342.5K0.00%+15,450New
Covalis Capital LLP15,000$332.6K0.02%+15,000New
Readystate Asset Management LP15,000$332.6K0.02%+15,000New
Tudor Investment Corp Et Al14,276$316.5K0.00%+14,276New
LPL Financial LLC12,743$282.5K0.00%+12,743New
Price T Rowe Associates Inc12,568$279.0K0.00%+12,568New
Squarepoint Ops LLC12,534$277.9K0.00%+12,534New
Public Employees Retirement System of Ohio12,023$266.6K0.00%+12,023New
Susquehanna International Group, LLP11,776$261.1K0.00%+11,776New