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Of the 10 tracked institutions holding YSS, 4 have a 3-year clone track record — 4 of them beat the S&P. Average holder's clone alpha: +4.1pt. It's a gauge of who owns the name, not just how many.
Among the 10 tracked institutional investors we monitor, YSS (YORK SPACE SYSTEMS INC) is held with a combined value of $518.03M across 21,041,082 shares. The largest holder is BlackRock, Inc. with a position worth $473.02M. 4 funds opened new positions in the most recent quarter. 3 funds increased their holdings. 3 funds reduced their position.
Total Institutional Value
$518.03M
Total Shares Held
21,041,082
Institutional Holders
10
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | BlackRock, Inc. | $473.02M | 0.01% | +1.1% |
| 2 | STATE STREET CORP | $35.30M | 0.00% | +314.4% |
| 3 | WELLINGTON MANAGEMENT GROUP LLP | $4.23M | 0.00% | -87.0% |
| 4 | FMR LLC | $2.22M | 0.00% | -5.9% |
| 5 | MILLENNIUM MANAGEMENT LLC | $1.02M | 0.00% | New |
| 6 | AQR CAPITAL MANAGEMENT LLC | $685.42K | 0.00% | New |
| 7 | CITADEL ADVISORS LLC | $671.71K | 0.00% | -97.1% |
| 8 | PRICE T ROWE ASSOCIATES INC /MD/ | $387.00K | 0.00% | +24.9% |
| 9 | SOROS FUND MANAGEMENT LLC | $276.85K | 0.00% | New |
| 10 | Gotham Asset Management, LLC | $227.51K | 0.00% | New |
SEC Schedule 13D (activist) and 13G (passive) filings for YSS. Filed when an investor acquires 5%+ ownership.
As of the latest SEC 13F filings, BlackRock, Inc. is the largest institutional holder of YSS with a position worth $473.02M, representing 0.01% of their portfolio. In total, 10 institutional investors hold YSS with a combined value of $518.03M.
In the most recent quarter, 4 funds opened a new position in YSS. Additionally, 3 increased their holdings and 3 reduced their positions.
Institutional investors hold $518.03M worth of YSS stock across 10 positions. The largest institutional holder is BlackRock, Inc. with $473.02M in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For YSS, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their YSS positions.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
Last Close
$7.11
2026-10-09
YTD
-78.8%
0% of 52-week range
