York Space Systems Inc.
YSS- Exchange
- NYSE
- Industry
- Guided Missiles & Space Vehicles & Parts
- SEC CIK
- 0002086587
No open-market purchases or sales by York Space Systems Inc. insiders were filed in the last 90 days; 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.
Key figures
- Market capClose on Nov 10, 2026
- $962.9M
- Insider buysOpen market, last 90 days
- 0
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, +22 vs. previous quarter
- 162
- 13F valueReported value at the end of Q2 2026
- $1.60B
- Superinvestors holdingAt the end of Q2 2026
- 1
Price chart
Financials
See financial statementsFrom SEC filings, in USD.
- Revenue, Q2 FY2026
- $92.5M
- No comparable prior period
Short interest
See short dataFrom FINRA, settlement date Oct 30, 2026.
- Short interest
- 11.9M
- Shares sold short
- Change
- −1.02M
- −7.9% vs. previous
- Days to cover
- 7.20
- At average daily volume
Superinvestors holding YSS, Q2 2026
Go to the superinvestors tab1 superinvestor reports holding York Space Systems Inc. on Form 13F. Percentages are the stock's share of each portfolio.
Soros Fund Management
George Soros
<0.1%
York Space Systems Inc.'s share of the portfolio
- Shares
- 11,245
- Value
- $276.9K
Latest insider trades
See all insider tradesOpen-market purchases and sales by York Space Systems Inc. insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Aug 10, 2026 (view filing)6:16 PM ET | Aug 6-7 | 4 days | BlackRock Portfolio Management LLC10% Owner | SSale | −401.7K | $11.30 | −$4.54M | −2.4%16.5M after | 2 lots |
| Aug 10, 2026 (view filing)6:02 PM ET | Aug 4-5 | 6 days | BlackRock Portfolio Management LLC10% Owner | SSale | −674.6K | $15.15 | −$10.2M | −3.8%16.9M after | Amended4 lots |
| Aug 4, 2026 (view filing)4:17 PM ET | Jul 31-Aug 3 | 4 days | BlackRock Portfolio Management LLC10% Owner | SSale | −49.3K | $15.11 | −$745.3K | −0.3%17.6M after | 2 lots |
| Jul 31, 2026 (view filing)4:47 PM ET | Jul 29-30 | 2 days | BlackRock Portfolio Management LLC10% Owner | SSale | −204.2K | $15.22 | −$3.11M | −1.1%17.6M after | 2 lots |
| Feb 3, 2026 (view filing) | Jan 30 | 4 days | Erwin Tami A.Director | PPurchase | +2.94K | $34.00 | +$100.0K | +3.8%80.0K after | |
| Feb 3, 2026 (view filing) | Jan 30 | 4 days | Letarte TylerDirector | PPurchase | +1.47K | $34.00 | +$50.0K | New position1.47K after | |
| Feb 3, 2026 (view filing) | Jan 30 | 4 days | BlackRock Portfolio Management LLC10% Owner | PPurchase | +752.5K | $34.00 | +$25.6M | +4.4%17.8M after |
Top 10 13F holders, Q2 2026
See all 162 holdersThe largest institutional positions in York Space Systems Inc. at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 19,212,689 | $473.0M | 0.01% | +200,250+1.1% | Added |
| Ae Industrial Partners, LP | 11,728,057 | $288.7M | 21.10% | +430,134+3.8% | Added |
| Allianz Asset Management GmbH | 2,726,783 | $67.1M | 0.06% | 00.0% | Unchanged |
| Hood River Capital Management LLC | 1,963,942 | $48.4M | 0.35% | +975,432+98.7% | Added |
| Tema ETFs LLC | 1,904,718 | $46.9M | 1.52% | +1,903,558+164,099.8% | Added |
| Toroso Investments, LLC | 1,843,269 | $45.4M | 0.11% | +1,843,269 | New |
| Westwood Holdings Group Inc. | 1,736,906 | $42.8M | 0.32% | +1,327,720+324.5% | Added |
| Voya Investment Management LLC | 1,618,318 | $39.8M | 0.03% | +540,708+50.2% | Added |
| UBS Group AG | 1,512,752 | $37.2M | 0.01% | +458,908+43.5% | Added |
| State Street Corp | 1,433,938 | $35.3M | 0.00% | +1,087,889+314.4% | Added |
Holders of 5% or more of YSS
See all 4 holders and filingsHolders whose latest Schedule 13D or 13G filing reports 5% or more of York Space Systems Inc..
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Aeroequity GP, LLC | 13G/A | 23.96%32.9M shares | +0.68 ppfrom 23.28% | May 15, 20262 filings | Aug 14, 2026 | SEC |
| BlackRock Portfolio Management LLC | 13G | 14.00%17.8M shares | New | Apr 29, 20261 filing | Apr 29, 2026 | SEC |
| Wallinger Dirk | 13G | 8.60%11.2M shares | New | May 15, 20261 filing | May 15, 2026 | SEC |
| BlackRock, Inc. | 13G | 5.40%7.44M shares | New | Oct 27, 20261 filing | Oct 27, 2026 | SEC |