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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
Harbour Investments, Inc.1$220.00%+1New
Advisory Services Network, LLC3$670.00%+3New
Freestone Grove Partners LP19$4210.00%+19New
Fortitude Family Office, LLC27$5990.00%+27New
UMA Financial Services, Inc.37$8210.00%+37New
IFP Advisors, Inc40$8870.00%+40New
CWM, LLC77$1.71K0.00%+77New
First Horizon Corp194$4.30K0.00%+194New
SRS Capital Advisors, Inc.200$4.43K0.00%+200New
MCF Advisors LLC222$4.92K0.00%+222New
Sterling Capital Management LLC291$6.45K0.00%+291New
Fifth Third Bancorp481$10.7K0.00%+481New
Tower Research Capital LLC (TRC)527$11.7K0.00%+527New
Steward Partners Investment Advisory, LLC1,000$22.2K0.00%+1,000New
Your Advocates Ltd., LLP1,000$22.2K0.01%+1,000New
Tema ETFs LLC1,160$25.7K0.00%+1,160New
Russell Investments Group, Ltd.1,343$29.8K0.00%+1,343New
RiverPark Advisors, LLC1,345$29.8K0.01%+1,345New
Citigroup Inc1,451$32.2K0.00%+1,451New
Ameritas Investment Partners, Inc.1,457$32.3K0.00%+1,457New
Legal & General Group Plc1,564$34.7K0.00%+1,564New
SBI Securities Co., Ltd.2,155$47.8K0.00%+2,155New
Advisor Group Holdings, Inc.2,253$49.9K0.00%+2,253New
Group One Trading, L.P.2,587$57.4K0.00%+2,587New
Jones Financial Companies LLLP2,850$61.7K0.00%+2,850New
STRS Ohio3,100$68.7K0.00%+3,100New
BNP Paribas Arbitrage, SA3,800$84.2K0.00%+3,800New
Police & Firemen's Retirement System of New Jersey4,464$99.0K0.00%+4,464New
US Bancorp4,901$108.7K0.00%+4,901New
Caz Investments LP6,000$133.0K0.16%+6,000New
Caitong International Asset Management Co., Ltd6,346$140.7K0.03%+6,346New
Mirae Asset Global ETFs Holdings Ltd.8,354$185.2K0.00%+8,354New
Vanguard Global Advisers, LLC8,797$195.0K0.00%+8,797New
MetLife Investment Management10,141$224.8K0.00%+10,141New
Quadrature Capital Ltd10,146$224.9K0.00%+10,146New
Prelude Capital Management, LLC10,203$226.2K0.02%+10,203New
Thompson Davis & Co., Inc.10,350$229.5K0.15%+10,350New
Invesco Ltd.10,401$230.6K0.00%+10,401New
The PNC Financial Services Group, Inc.10,560$234.1K0.00%+10,560New
Deutsche Bank AG11,416$253.1K0.00%+11,416New
Susquehanna International Group, LLP11,776$261.1K0.00%+11,776New
Public Employees Retirement System of Ohio12,023$266.6K0.00%+12,023New
Squarepoint Ops LLC12,534$277.9K0.00%+12,534New
Price T Rowe Associates Inc12,568$279.0K0.00%+12,568New
LPL Financial LLC12,743$282.5K0.00%+12,743New
Tudor Investment Corp Et Al14,276$316.5K0.00%+14,276New
Covalis Capital LLP15,000$332.6K0.02%+15,000New
Readystate Asset Management LP15,000$332.6K0.02%+15,000New
Rhumbline Advisers15,450$342.5K0.00%+15,450New
Gabelli Funds LLC15,572$345.2K0.00%+15,572New
Barclays PLC16,842$373.4K0.00%+16,842New
Oxford Asset Management LLP17,763$393.8K0.16%+17,763New
Gamco Investors, Inc. Et Al17,847$395.7K0.00%+17,847New
Exchange Traded Concepts, LLC17,902$396.9K0.00%+17,902New
Nuveen, LLC20,666$458.2K0.00%+20,666New
Atom Investors LP20,881$462.9K0.03%+20,881New
Harbor Capital Advisors, Inc.21,239$471.0K0.04%+21,239New
Davidson Kempner Capital Management LP21,400$474.4K0.01%+21,400New
Teachers Retirement System of the State of Kentucky22,295$494.0K0.00%+22,295New
JPMorgan Chase & Co29,523$621.2K0.00%+29,523New
Woodline Partners LP30,000$665.1K0.00%+30,000New
Polymer Capital Management (US) LLC30,000$665.1K0.10%+30,000New
Scopus Asset Management, L.P.32,932$730.1K0.02%+32,932New
Royal Bank of Canada38,296$849.0K0.00%+38,296New
Two Sigma Investments, LP38,356$850.4K0.00%+38,356New
State of Wisconsin Investment Board40,000$886.8K0.00%+40,000New
Goldman Sachs Group Inc53,649$1.19M0.00%+53,649New
Walleye Capital LLC54,007$1.20M0.01%+54,007New
Raymond James Financial Inc66,227$1.47M0.00%+66,227New
Renaissance Technologies LLC67,171$1.49M0.00%+67,171New
Fred Alger Management, LLC68,781$1.52M0.01%+68,781New
Diametric Capital, LP73,854$1.64M0.43%+73,854New
H Squared Management LP81,250$1.80M1.66%+81,250New
Brinker Capital Investments, LLC81,560$1.81M0.02%+81,560New
XTX Topco Ltd90,728$2.01M0.03%+90,728New
Wells Fargo & Company90,895$2.02M0.00%+90,895New
Empyrean Capital Partners, LP95,000$2.11M0.07%+95,000New
FMR LLC95,580$2.12M0.00%+95,580New
Schonfeld Strategic Advisors LLC100,000$2.22M0.02%+100,000New
D. E. Shaw & Co., Inc.100,926$2.24M0.00%+100,926New
Brevan Howard Capital Management LP108,711$2.41M0.02%+108,711New
Stenahm Asset Managment Ltd110,651$2.45M1.19%+110,651New
LMR Partners LLP110,689$2.45M0.02%+110,689New
Bank of America Corp110,848$2.46M0.00%+110,848New
Zimmer Partners, LP115,000$2.55M0.06%+115,000New
Vanguard Fiduciary Trust Co128,227$2.84M0.00%+128,227New
Northern Trust Corp136,622$3.03M0.00%+136,622New
Blackstone Group Inc.150,000$3.33M0.01%+150,000New
Seven Grand Managers, LLC150,000$3.33M0.22%+150,000New
Swedbank AB154,568$3.43M0.00%+154,568New
Charles Schwab Investment Management Inc156,290$3.46M0.00%+156,290New
Aperture Investors, LLC165,119$3.66M0.46%+165,119New
New York State Common Retirement Fund178,593$3.96M0.01%+178,593New
Next Century Growth Investors LLC191,817$4.25M0.31%+191,817New
Hudson Bay Capital Management LP197,121$4.37M0.03%+197,121New
Weiss Asset Management LP202,156$4.48M0.08%+202,156New
Resolute Capital Asset Partners LLC204,206$4.53M2.38%+204,206New
Longaeva Partners L.P.210,000$4.66M0.22%+210,000New
Alpine Global Management, LLC247,079$5.48M0.83%+247,079New
Morgan Stanley283,663$6.29M0.00%+283,663New