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.
Holders of 5% or more of MGNX
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Macrogenics Inc, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Armistice Capital, LLC | 13G/A | 9.46%6.01M shares | −0.53 ppfrom 9.99% | Feb 14, 20254 filings | May 15, 2026 | SEC |
| Armistice Capital, LLC | 13G/A | 9.45%5.96M shares | – | Aug 14, 20251 filing | Aug 14, 2025 | SEC |
| Millennium Management LLC | 13G | 5.40%3.44M shares | +2.70 ppfrom 2.70% | Apr 17, 20252 filings | Jun 5, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
18 Schedule 13D and 13G filings on Macrogenics Inc, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Jun 5, 20265:03 PM ET | Millennium Management LLCand 2 others | 13G | 5.40%3.44M shares | +2.70 ppfrom 2.70% | Jun 1, 2026 | SEC |
| May 15, 202611:29 AM ET | Armistice Capital, LLCand 1 other | 13G/A | 9.46%6.01M shares | −0.53 ppfrom 9.99% | Mar 31, 2026 | SEC |
| Mar 27, 202610:35 AM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | –Below 5% | Mar 13, 2026 | SEC |
| Feb 17, 20269:47 PM ET | Armistice Capital, LLCand 1 other | 13G/A | 9.99%6.32M shares | +0.01 ppfrom 9.98% | Dec 31, 2025 | SEC |
| Feb 13, 20265:29 PM ET | Frazier Life Sciences Public Fund, L.P.and 10 others | 13G/A | 0.00%0 shares | −2.50 ppfrom 2.50%Below 5% | Dec 31, 2025 | SEC |
| Jan 6, 20267:27 PM ET | Bellevue Group AGand 1 other | 13G/A | 0.00%0 shares | −15.70 ppfrom 15.70%Below 5% | Dec 5, 2025 | SEC |
| Nov 12, 20253:27 PM ET | Wasatch Advisors Inc | 13G/A | 3.10%1.95M shares | −2.50 ppfrom 5.60%Below 5% | Sep 30, 2025 | SEC |
| Aug 14, 20259:24 PM ET | Armistice Capital, LLCand 1 other | 13G/A | 9.45%5.96M shares | – | Jun 30, 2025 | SEC |
| Aug 14, 20251:02 PM ET | Frazier Life Sciences Public Fund, L.P.and 16 others | 13G/A | 2.50%1.55M shares | –Below 5% | Jun 30, 2025 | SEC |
| Jul 17, 20258:12 PM ET | BlackRock, Inc. | 13G/A | 2.90%1.81M shares | –Below 5% | Jun 30, 2025 | SEC |
| Jul 7, 20257:20 PM ET | Bellevue Group AGand 1 other | 13G | 15.70%9.93M shares | New | Jun 1, 2025 | SEC |
| Jun 13, 20252:50 PM ET | BB Biotech AGand 1 other | 13G/A | 0.00%0 shares | −15.80 ppfrom 15.80%Below 5% | Jun 1, 2025 | SEC |
| May 15, 20253:31 PM ET | Armistice Capital, LLCand 1 other | 13G/A | 9.98%6.30M shares | −0.01 ppfrom 9.99% | Mar 31, 2025 | SEC |
| Apr 17, 20254:00 PM ET | Millennium Management LLCand 2 others | 13G/A | 2.70%1.72M shares | –Below 5% | Mar 31, 2025 | SEC |
| Feb 14, 20256:39 PM ET | Ra Capital Management, L.P.and 3 others | 13G/A | 0.00%0 shares | –Below 5% | Dec 31, 2024 | SEC |
| Feb 14, 20255:52 PM ET | Armistice Capital, LLCand 1 other | 13G/A | 9.99%6.28M shares | – | Dec 31, 2024 | SEC |
| Feb 14, 20252:39 PM ET | BB Biotech AGand 1 other | 13G/A | 15.80%9.93M shares | – | Dec 31, 2024 | SEC |
| Feb 11, 20255:37 PM ET | Wasatch Advisors Inc | 13G | 5.60%3.49M shares | New | Dec 31, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Macrogenics Inc shares.
No Form 144 notices for Macrogenics Inc are on file.