Who owns MACROGENICS INC?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from SEC filings.
Institutional ownership of MGNX from SEC Form 13F filings across 90 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 90 institutions disclosed 32.6M shares of MACROGENICS INC worth $138.7M — about 51.3% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
90
13F holders
$138.7M
value, 2026 filers
51.3%
of shares outstanding (32.6M sh)
28
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of MGNX's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 4.7M | $21.6M | 0.0% | 7.4% | +302.3% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 2.7M | $12.3M | 0.0% | 4.2% | -50.0% |
| 3 | ACADIAN ASSET MANAGEMENT LLC | 2.5M | $11,740 | 0.0% | 4% | -0.1% |
| 4 | BANK OF AMERICA CORP /DE/ | 2.5M | $11.5M | 0.0% | 3.9% | +3.6% |
| 5 | TWO SIGMA INVESTMENTS, LP | 2.5M | $11.4M | 0.0% | 3.9% | -2.5% |
| 6 | MILLENNIUM MANAGEMENT LLC | 2.4M | $11.0M | 0.0% | 3.7% | -15.0% |
| 7 | VANGUARD PORTFOLIO MANAGEMENT LLC | 1.8M | $8.4M | 0.0% | 2.9% | +50.6% |
| 8 | MACKENZIE FINANCIAL CORP | 1.6M | $7.6M | 0.0% | 2.6% | +174.9% |
| 9 | MARSHALL WACE, LLP | 1.6M | $7.5M | 0.0% | 2.5% | -20.2% |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | 1.6M | $7.3M | 0.0% | 2.5% | +126.1% |
| 11 | D. E. Shaw & Co., Inc. | 1.1M | $4.9M | 0.0% | 1.7% | +0.4% |
| 12 | Connor, Clark & Lunn Investment Management Ltd. | 1.0M | $4.6M | 0.0% | 1.6% | +15.4% |
| 13 | GOLDMAN SACHS GROUP INC | 558,001 | $2.6M | 0.0% | 0.9% | +104.0% |
| 14 | NORTHERN TRUST CORP | 516,129 | $2.4M | 0.0% | 0.8% | +238.9% |
| 15 | VANGUARD FIDUCIARY TRUST CO | 420,106 | $1.9M | 0.0% | 0.7% | +23.5% |
| 16 | NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 420,000 | $1.9M | 0.0% | 0.7% | 0.0% |
| 17 | Walleye Capital LLC | 408,150 | $1.9M | 0.0% | 0.6% | -39.1% |
| 18 | DIADEMA PARTNERS LP | 374,403 | $1.7M | 0.2% | 0.6% | -37.6% |
| 19 | PINNACLE ASSOCIATES LTD | 254,301 | $1.2M | 0.0% | 0.4% | -8.9% |
| 20 | Sixth Street Partners Management Company, L.P.NEW | 192,635 | $889,974 | 0.2% | 0.3% | new |
| 21 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 192,635 | $889,974 | 0.0% | 0.3% | +381.0% |
| 22 | Man Group plc | 188,189 | $869,433 | 0.0% | 0.3% | +292.0% |
| 23 | Amundi | 181,245 | $837,352 | 0.0% | 0.3% | -15.4% |
| 24 | CITADEL ADVISORS LLC | 179,833 | $830,828 | 0.0% | 0.3% | -77.0% |
| 25 | LPL Financial LLC | 170,263 | $786,615 | 0.0% | 0.3% | +6.6% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.