MacroGenics
MGNX · NASDAQ
$3.49+$0.16 (+4.80%)TodayMarket closed ·
Prev close $3.33
Who owns MGNX
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 44.4% of MGNX’s shares.
- Armistice Capital LLC7.9%
- BlackRock Institutional Trust Company, N.A.6.6%
- Vanguard Capital Management, LLC4.2%
- Renaissance Technologies LLC4.1%
- Next 6 largest institutions21.6%
- All other shareholders55.6%
| Holder | Shares | % of shares |
|---|---|---|
| Armistice Capital LLC | 5.01M | 7.88% |
| BlackRock Institutional Trust Company, N.A. | 4.22M | 6.64% |
| Vanguard Capital Management, LLC | 2.66M | 4.18% |
| Renaissance Technologies LLC | 2.63M | 4.14% |
| Acadian Asset Management LLC | 2.54M | 4.00% |
| Two Sigma Investments, LP | 2.48M | 3.90% |
| Bank of America Private Bank | 2.45M | 3.85% |
| Millennium Management LLC | 2.37M | 3.74% |
| Wasatch Global Investors Inc | 2.02M | 3.18% |
| RA Capital Management, LP | 1.86M | 2.93% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| BB Biotech Fd | 9.92M | 15.61% |
| Vanguard Total Stock Market Index Fund | 1.93M | 3.03% |
| iShares Russell 2000 ETF | 1.55M | 2.45% |
| Wasatch Ultra Growth Fund | 1.12M | 1.76% |
| Wasatch Micro Cap Fund | 771.22K | 1.21% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $129.09K (1 trade) of MGNX on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Bonvini Ezio | Option exercise | 8.00K | $20.80K |
| Bonvini Ezio | Option exercise | 8.00K | $20.80K |
| Peters Jeffrey Stuart | Sale | 31.11K | $129.09K |
| Bonvini Ezio | Option exercise | 40.00K | $104.00K |
| Bonvini Ezio | Option exercise | 40.00K | $104.00K |
| Ferrante Karen Jean | Award | 22.00K | — |
| Ferrante Karen Jean | Award | 3.75K | — |
| Koenig Scott | Award | 22.00K | — |
| Koenig Scott | Award | 3.75K | — |
| Jackson Scott Thomas | Award | 22.00K | — |
Short interest
Settled Sep 30, 2026
- Shares short
- 7.04M
- Days to cover
- 10.90
- % of shares outstanding
- 11.08%
- Average daily volume
- 645.91K
- Change since last report
- +0.1%
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