York Space Systems Inc. (YSS) Ownership
YSS ownership summary
as of October 18, 2026- Institutions
- 49.1% of shares outstanding
- Insiders
- 9.13% of shares outstanding
- Shares outstanding
- 137.4M
- Float
- 56.6M shares available to trade
- Short interest
- 9.60% 12.0M shares short
- Days to cover
- 3.25 short interest up 52.6% vs prior month
- Institutions 49.07%
- Insiders 9.13%
- Other investors 41.80%
YSS top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 13.99% | 19.2M | $107.2M | +200,250 (+1.1%) | June 30, 2026 |
| 2 | AE INDUSTRIAL PARTNERS, LP | 8.54% | 11.7M | $65.4M | +430,134 (+3.8%) | June 30, 2026 |
| 3 | Allianz Asset Management AG | 1.99% | 2.7M | $15.2M | — | June 30, 2026 |
| 4 | Hood River Capital Management LLC | 1.43% | 2.0M | $11.0M | +975,432 (+98.7%) | June 30, 2026 |
| 5 | Tema ETFs | 1.39% | 1.9M | $10.6M | +1.9M (+164,099.8%) | June 30, 2026 |
| 6 | Tidal Investments LLC. | 1.34% | 1.8M | $10.3M | +1.8M (0.0%) | June 30, 2026 |
| 7 | Westwood Holdings Group Inc | 1.26% | 1.7M | $9.7M | +1.3M (+324.5%) | June 30, 2026 |
| 8 | VOYA INVESTMENT MANAGEMENT LLC | 1.18% | 1.6M | $9.0M | +540,708 (+50.2%) | June 30, 2026 |
| 9 | UBS Group AG | 1.10% | 1.5M | $8.4M | +458,908 (+43.5%) | June 30, 2026 |
| 10 | State Street Corp | 1.04% | 1.4M | $8.0M | +1.1M (+314.4%) | June 30, 2026 |
| 11 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 1.00% | 1.4M | $7.6M | +1.4M (+16,296.1%) | June 30, 2026 |
| 12 | ClearBridge Advisors, LLC | 0.96% | 1.3M | $7.4M | −27,063 (−2.0%) | June 30, 2026 |
| 13 | Temasek Holdings Ltd. | 0.75% | 1.0M | $5.7M | +577,774 (+128.4%) | June 30, 2026 |
| 14 | Systematic Financial Management LP | 0.70% | 961K | $5.4M | +504,266 (+110.4%) | June 30, 2026 |
| 15 | Vanguard Capital Management, LLC | 0.61% | 844K | $4.7M | +4,615 (+0.5%) | June 30, 2026 |
| 16 | Vanguard Portfolio Management, LLC | 0.60% | 821K | $4.6M | +33,549 (+4.3%) | June 30, 2026 |
| 17 | Frontier Capital Management CO Inc | 0.53% | 733K | $4.1M | +733,025 (0.0%) | June 30, 2026 |
| 18 | Burkehill Global Management, LP | 0.49% | 669K | $3.7M | — | June 30, 2026 |
| 19 | Penserra Capital Management, LLC | 0.47% | 642K | $3.6M | +641,961 (0.0%) | June 30, 2026 |
| 20 | SEI Investments Co | 0.46% | 633K | $3.5M | +217,168 (+52.3%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 17 holders added 12.8M shares and 1 cut 27K.
YSS top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Stt Strt® SPDR® S&P® Arspc & Dfnc ETF | 2.14% | 2.9M | $16.4M | +6,136 (+0.2%) | September 30, 2026 |
| 2 | iShares Russell 2000 ETF | 1.69% | 2.3M | $13.0M | −26,816 (−1.1%) | September 30, 2026 |
| 3 | Tema Space Innovators ETF | 0.79% | 1.1M | $6.1M | — | September 30, 2026 |
| 4 | Hood River Small-Cap Growth Instl | 0.74% | 1.0M | $5.7M | +506,494 (+98.1%) | June 30, 2026 |
| 5 | iShares US Aerospace & Defense ETF | 0.61% | 842K | $4.7M | −1,440 (−0.2%) | September 30, 2026 |
| 6 | iShares Russell 2000 Growth ETF | 0.61% | 841K | $4.7M | −1,065 (−0.1%) | September 30, 2026 |
| 7 | Vanguard MStar Total Stk Mkt Idx Invest | 0.44% | 603K | $3.4M | — | August 31, 2026 |
| 8 | ClearBridge Select I | 0.35% | 479K | $2.7M | −27,778 (−5.5%) | August 31, 2026 |
| 9 | Schwab US Small-Cap ETF™ | 0.35% | 476K | $2.7M | +315 (+0.1%) | September 30, 2026 |
| 10 | Vanguard Small Cap Index | 0.32% | 440K | $2.5M | +562 (+0.1%) | August 31, 2026 |
| 11 | Procure Space ETF | 0.32% | 435K | $2.4M | +2,559 (+0.6%) | September 30, 2026 |
| 12 | BlackRock Private Investment D | 0.30% | 417K | $2.3M | +416,852 (0.0%) | June 30, 2026 |
| 13 | American Century Select Inv | 0.25% | 345K | $1.9M | — | June 30, 2026 |
| 14 | ClearBridge Small Cap Growth A | 0.22% | 299K | $1.7M | −12,680 (−4.1%) | August 31, 2026 |
| 15 | Vanguard Explorer Inv | 0.21% | 288K | $1.6M | −223,212 (−43.7%) | June 30, 2026 |
| 16 | Vanguard MStar Small Cap Growth Indx Inv | 0.18% | 251K | $1.4M | −1,078 (−0.4%) | August 31, 2026 |
| 17 | Westwood Quality SmallCap Fund Inst | 0.18% | 244K | $1.4M | +207,408 (+572.1%) | June 30, 2026 |
| 18 | Fidelity Small Cap Index | 0.15% | 209K | $1.2M | +2,770 (+1.3%) | July 31, 2026 |
| 19 | Hood River New Opportunities Inst | 0.10% | 132K | $734,016 | +71,030 (+117.4%) | June 30, 2026 |
| 20 | Federated Hermes Kaufmann Small Cap A | 0.09% | 128K | $715,356 | −125,300 (−49.4%) | June 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
Who owns YSS
Institutional investors own 49.1% of York Space Systems's shares and insiders 9.13%. The largest holder is BlackRock Inc with 13.99% of the shares (19.2M), as of June 30, 2026. Among the top 20 institutions, 17 added shares and 1 reduced their stake in the latest filings. Short interest is 9.60% of the float, or 3.25 days of average trading volume. The share count rose 18.3% since 2024.
Related: YSS analyst forecast, YSS key metrics. See the YSS stock overview for the latest quote and news.
YSS ownership FAQ
Who owns the most York Space Systems stock?
The largest shareholders of York Space Systems are BlackRock Inc (13.99%), AE INDUSTRIAL PARTNERS, LP (8.54%), Allianz Asset Management AG (1.99%), Hood River Capital Management LLC (1.43%), Tema ETFs (1.39%).
What percentage of York Space Systems is owned by institutions?
Institutions hold 49.1% of York Space Systems's shares outstanding; insiders hold 9.13%.
Which funds own York Space Systems?
The largest fund holders of York Space Systems are Stt Strt® SPDR® S&P® Arspc & Dfnc ETF (2.14%), iShares Russell 2000 ETF (1.69%), Tema Space Innovators ETF (0.79%), Hood River Small-Cap Growth Instl (0.74%), iShares US Aerospace & Defense ETF (0.61%).
What is York Space Systems's short interest?
12.0M shares of York Space Systems were sold short, 9.60% of the float; at the average daily volume it would take 3.25 days to cover.
How many shares of York Space Systems are outstanding?
York Space Systems has 137.4M shares outstanding, of which 56.6M are in the public float.