Macrogenics Inc
MGNX- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001125345
In the last 90 days, Macrogenics Inc insiders filed 0 open-market purchases and 1 sale; 122 institutions reported holding it in 13F filings for Q2 2026, worth $224.9M in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Macrogenics Inc as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 109
- +22 vs. Q4 2025
- Shares held
- 43.2M
- +7.44M (+20.8%) vs. Q4 2025
- Total value
- $124.8M
- +$67.3M (+117.0%) vs. Q4 2025
- New holders
- 32
- 29 more added
- Sold out
- 10
- 28 more reduced
2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting MGNX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 122 | $224.9M |
| Q1 2026 | 109 | $124.8M |
| Q4 2025 | 89 | $64.3M |
| Q3 2025 | 104 | $77.4M |
| Q2 2025 | 112 | $58.5M |
| Q1 2025 | 129 | $68.3M |
| Q4 2024 | 129 | $182.5M |
| Q3 2024 | 124 | $187.9M |
| Q2 2024 | 147 | $258.9M |
| Q1 2024 | 163 | $953.6M |
| Q4 2023 | 143 | $595.1M |
| Q3 2023 | 127 | $270.5M |
| Q2 2023 | 131 | $321.1M |
| Q1 2023 | 137 | $419.1M |
| Q4 2022 | 135 | $380.5M |
| Q3 2022 | 135 | $199.0M |
| Q2 2022 | 133 | $184.9M |
| Q1 2022 | 144 | $531.2M |
| Q4 2021 | 156 | $918.1M |
| Q3 2021 | 154 | $1.21B |
| Q2 2021 | 149 | $1.54B |
| Q1 2021 | 174 | $1.80B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Macrogenics Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Ra Capital Management, L.P. | 1,864,176 | $5.39M | 0.06% | +1,864,176 | New |
| Marshall Wace, LLP | 2,025,526 | $5.85M | 0.01% | +740,963+57.7% | Added |
| Bank of America Corp | 2,401,814 | $6.94M | 0.00% | +564,094+30.7% | Added |
| Two Sigma Investments, LP | 2,527,829 | $7.31M | 0.01% | +1,528,355+152.9% | Added |
| Acadian Asset Management LLC | 2,544,000 | $7.35M | 0.01% | +25,590+1.0% | Added |
| Vanguard Capital Management LLC | 2,653,853 | $7.67M | 0.00% | +2,653,853 | New |
| Millennium Management LLC | 2,794,357 | $8.08M | 0.01% | +819,877+41.5% | Added |
| Renaissance Technologies LLC | 2,963,559 | $8.56M | 0.01% | +54,928+1.9% | Added |
| Armistice Capital, LLC | 6,012,000 | $17.4M | 0.57% | −312,000−4.9% | Reduced |
| Jefferies Financial Group Inc. | 0 | $0 | 0.00% | −1,841,172−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −1,195,000−100.0% | Sold out |
| Timothy G. Youngquist 2020 Irrevocable Trust | 0 | $0 | 0.00% | −79,113−100.0% | Sold out |
| Caitong International Asset Management Co., Ltd | 0 | $0 | 0.00% | −1,464−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −978−100.0% | Sold out |
| Clear Street Markets LLC | 0 | $0 | 0.00% | −124−100.0% | Sold out |
| SRS Capital Advisors, Inc. | 0 | $0 | 0.00% | −55−100.0% | Sold out |
| Rockefeller Capital Management L.P. | 0 | $0 | 0.00% | −25−100.0% | Sold out |
| CWM, LLC | 0 | $0 | 0.00% | −243−100.0% | Sold out |
| Covestor Ltd | 0 | $0 | 0.00% | −55−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| Comerica Bank | – | – | – | – | Not filed |