YSS Institutional Ownership
Who owns York Space Systems Inc. and what the big funds did with it last quarter, from every SEC 13F filing. 162 funds reported holding YSS at Jun 30, 2026.
- ▲111 buying vs 78 selling
- ▲Shares held by funds +4.7%
- ▲Funds holding +22
- ●Superinvestors: 2 added, 2 cut
- ●Put/call not meaningful
What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.
Funds holding and ownership
2 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Q1 2026 | Change |
|---|---|---|---|
| Funds holding | 162 | 140 | +15.7% |
| In funds' top 10 | 2 | 2 | 0.0% |
| 13F shares | 65M | 62.1M | +4.7% |
| Held by funds | – | – | – |
| New positions | 59 | 136 | −56.6% |
| Increased | 52 | 0 | – |
| Reduced | 42 | 0 | – |
| Sold out | 36 | 0 | – |
| Calls (shares) | 78K | 10K | +675.0% |
| Puts (shares) | 93K | 0 | – |
| Put/call ratio | 1.21 | 0.00 | – |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in YSS
All superinvestors →Who owns YSS
share of fund held shares- Index and passive funds35.8%
- Active managers and hedge funds57.6%
- Banks and brokers5.6%
- Pensions, insurers and other1.0%
The top 10 holders own 70.3% of all YSS shares that funds reported. Groups are our own grouping of filers by name.
Put/call ratio
funds' options, market makers left outAbove 1 means funds hold more puts than calls, a sign of hedging or bets on a fall. Options are valued at the underlying shares.
Filed so far for Q3 2026
41 funds changed their position- Temasek Holdings (Private) LtdSold out−1M sh
- Tema Etfs LLCTrimmed−817K sh
- Swedbank ABSold out−122K sh
- Daiwa Securities Group Inc.Sold out−47K sh
- Ironwood Financial, llcNew+128K sh
🔒 Free account: see all 20.
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | – | 19.2M | $473M | +200K |
| 2 | AE Industrial Partners, LP | – | 11.7M | $289M | +430K |
| 3 | Allianz Asset Management GmbH | – | 2.7M | $67.1M | 0 |
| 4 | Hood River Capital Management LLC | – | 2M | $48.4M | +975K |
| 5 | Tema Etfs LLC | – | 1.9M | $46.9M | +1.9M |
| 6 | Tidal Investments LLC | – | 1.8M | $45.4M | +1.8M |
| 7 | Westwood Holdings Group Inc | – | 1.7M | $42.8M | +1.3M |
| 8 | Voya Investment Management LLC | – | 1.6M | $39.8M | +541K |
| 9 | UBS Group AG | – | 1.5M | $37.2M | +459K |
| 10 | State Street Corp | – | 1.4M | $35.3M | +1.1M |
- Tema Etfs LLC+1.9M sh+$46.9M
- Tidal Investments LLC+1.8M sh+$45.4M
- MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.+1.4M sh+$33.5M
- Westwood Holdings Group Inc+1.3M sh+$32.7M
- State Street Corp+1.1M sh+$26.8M
- Hood River Capital Management LLC+975K sh+$24M
- Frontier Capital Management Co LLC+733K sh+$18M
- Penserra Capital Management LLC+642K sh+$15.8M
- Bank of New York Mellon Corp−1.6M sh−$40M
- Wellington Management Group LLP−1.2M sh−$28.4M
- Citadel Advisors LLC−921K sh−$22.7M
- Lord, Abbett & Co. LLC−663K sh−$16.3M
- Ameriprise Financial Inc−586K sh−$14.4M
- Daiwa Securities Group Inc.−576K sh−$14.2M
- Granahan Investment Management, LLC−499K sh−$12.3M
- Massachusetts Financial Services Co /ma/−492K sh−$12.1M
YSS institutional ownership FAQ
Who owns the most YSS stock?
In Q2 2026 13F filings the largest holder of YSS was BlackRock, Inc., followed by AE Industrial Partners, LP and Allianz Asset Management GmbH. Index fund managers are usually the biggest holders of large companies.
What percentage of YSS is owned by institutions?
162 funds reported holding 65M YSS shares at Jun 30, 2026.
Are hedge funds buying YSS?
In Q2 2026, 111 funds bought YSS (59 of them new positions) and 78 sold (36 sold out completely). Among well known investors, 2 added and 2 cut. Our fund sentiment for YSS is bullish.
What is YSS's institutional put/call ratio?
Funds reported $2.3M of YSS puts against $1.9M of calls, a put/call ratio of 1.21 (0.00 the quarter before). Market makers and bank trading desks are left out, since their options are mostly hedges.
How current is this YSS ownership data?
13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.



