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Of the 12 tracked institutions holding MGNX, 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 12 tracked institutional investors we monitor, MGNX (MACROGENICS INC) is held with a combined value of $90.87M across 23,202,018 shares. The largest holder is ARMISTICE CAPITAL, LLC with a position worth $23.13M (0.64% of their portfolio). 2 funds opened new positions in the most recent quarter. 5 funds increased their holdings. 4 funds reduced their position.
Total Institutional Value
$90.87M
Total Shares Held
23,202,018
Institutional Holders
12
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | ARMISTICE CAPITAL, LLC | $23.13M | 0.64% | -16.7% |
| 2 | BlackRock, Inc. | $21.62M | 0.00% | +302.3% |
| 3 | RENAISSANCE TECHNOLOGIES LLC | $12.16M | 0.02% | -11.2% |
| 4 | MILLENNIUM MANAGEMENT LLC | $10.97M | 0.01% | -15.0% |
| 5 | RA CAPITAL MANAGEMENT, L.P. | $8.61M | 0.07% | - |
| 6 | VANGUARD GROUP INC | $6.81M | 0.00% | +0.1% |
| 7 | STATE STREET CORP | $3.99M | 0.00% | +194.1% |
| 8 | TWO SIGMA ADVISERS, LP | $1.92M | 0.00% | +59.6% |
| 9 | CITADEL ADVISORS LLC | $830.83K | 0.00% | -77.0% |
| 10 | FMR LLC | $386.31K | 0.00% | +37.6% |
As of the latest SEC 13F filings, ARMISTICE CAPITAL, LLC is the largest institutional holder of MGNX with a position worth $23.13M, representing 0.64% of their portfolio. In total, 12 institutional investors hold MGNX with a combined value of $90.87M.
In the most recent quarter, 2 funds opened a new position in MGNX. Additionally, 5 increased their holdings and 4 reduced their positions.
Institutional investors hold $90.87M worth of MGNX stock across 12 positions. The largest institutional holder is ARMISTICE CAPITAL, LLC with $23.13M 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 MGNX, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their MGNX 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 →
| 2026-08-03 |
| 7.1% | 2026-07-29 |
SEC Schedule 13D (activist) and 13G (passive) filings for MGNX. Filed when an investor acquires 5%+ ownership.
Last Close
$3.59
2026-10-21
YTD
+123.0%
64% of 52-week range
