MacroGenics
MGNX
122 hedge funds and large institutions have $225M invested in MacroGenics in 2026 Q2 according to their latest regulatory filings, with 38 funds opening new positions, 34 increasing their positions, 29 reducing their positions, and 25 closing their positions.
138% more call options, than puts
Call options by funds: $316K | Put options by funds: $133K
80% more capital invested
Capital invested by funds: $125M → $225M (+$100M)
52% more first-time investments, than exits
New positions opened: 38 | Existing positions closed: 25
17% more repeat investments, than reductions
Existing positions increased: 34 | Existing positions reduced: 29
12% more funds holding
Funds holding: 109 → 122 (+13)
8.68% more ownership
Funds ownership: 67.92% → 76.61% (+8.7%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
+$13.3M |
| 2 |
Mackenzie Financial
Toronto Ontario,
Ontario, Canada
|
+$3.95M |
| 3 |
Geode Capital Management
Boston,
Massachusetts
|
+$3.33M |
| 4 |
AAA
Affinity Asset Advisors
New York
|
+$2.71M |
| 5 |
Vanguard Portfolio Management
Malvern,
Pennsylvania
|
+$2.31M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AC
Armistice Capital
New York
|
-$3.8M |
| 2 |
Citadel Advisors
Miami,
Florida
|
-$2.28M |
| 3 |
Jane Street
New York
|
-$1.98M |
| 4 |
Millennium Management
New York
|
-$1.59M |
| 5 |
Marshall Wace
London,
United Kingdom
|
-$1.55M |
MGNX Hedge Fund Activity: Q2 2026 in Review
122 of the 8,305 institutional investors tracked by Wall St. Rank reported a position in MacroGenics (MGNX) for Q2 2026, worth a combined $225M — up 80% from $125M a quarter earlier.
Buyers outnumbered sellers: 38 funds opened new MGNX positions and 25 closed out — a net gain of 13 holders — while 34 added to existing stakes and 29 trimmed.
The largest buyer was BlackRock, adding an estimated $13.3M. The largest seller was Armistice Capital, cutting an estimated $3.8M.
- 122 institutional investors held MacroGenics (MGNX) as of Q2 2026, up from 109 in Q1 2026.
- Funds reported $225M of MacroGenics stock for Q2 2026, up 80% quarter-over-quarter.
- 38 funds opened new MacroGenics positions in Q2 2026 and 25 closed out, a net change of +13 holders.
- The largest MacroGenics buyer in Q2 2026 was BlackRock, an estimated $13.3M added.
- The largest MacroGenics seller in Q2 2026 was Armistice Capital, an estimated $3.8M sold.
Based on aggregated 13F filings for Q2 2026.