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Of the 11 tracked institutions holding MRCY, 5 have a 3-year clone track record — 5 of them beat the S&P. Average holder's clone alpha: +4.4pt. It's a gauge of who owns the name, not just how many.
Among the 11 tracked institutional investors we monitor, MRCY (MERCURY SYS INC) is held with a combined value of $1.64B across 22,469,241 shares. The largest holder is BlackRock, Inc. with a position worth $650.38M (0.01% of their portfolio). 2 funds opened new positions in the most recent quarter. 6 funds increased their holdings. 3 funds reduced their position.
Total Institutional Value
$1.64B
Total Shares Held
22,469,241
Institutional Holders
11
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | BlackRock, Inc. | $650.38M | 0.01% | +3.6% |
| 2 | VANGUARD GROUP INC | $411.20M | 0.01% | -1.7% |
| 3 | STATE STREET CORP | $281.85M | 0.01% | +12.9% |
| 4 | PRICE T ROWE ASSOCIATES INC /MD/ | $75.00M | 0.01% | +18.5% |
| 5 | Fisher Asset Management, LLC | $71.48M | 0.02% | +13.9% |
| 6 | FMR LLC | $65.89M | 0.00% | -21.6% |
| 7 | WELLINGTON MANAGEMENT GROUP LLP | $55.09M | 0.01% | New |
| 8 | CITADEL ADVISORS LLC | $21.35M | 0.02% | +180.6% |
| 9 | AQR CAPITAL MANAGEMENT LLC | $4.77M | 0.00% | +61.0% |
| 10 | MILLENNIUM MANAGEMENT LLC | $1.17M | 0.00% | New |
As of the latest SEC 13F filings, BlackRock, Inc. is the largest institutional holder of MRCY with a position worth $650.38M, representing 0.01% of their portfolio. In total, 11 institutional investors hold MRCY with a combined value of $1.64B.
In the most recent quarter, 2 funds opened a new position in MRCY. Additionally, 6 increased their holdings and 3 reduced their positions.
Institutional investors hold $1.64B worth of MRCY stock across 11 positions. The largest institutional holder is BlackRock, Inc. with $650.38M 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 MRCY, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their MRCY 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
$103.80
2026-07-27
YTD
+36.5%
70% of 52-week range
