Stock Ownership/MGNX

MACROGENICS INC (MGNX): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in MGNX · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
11
13F filers
Aggregate Value
$51.2M
Across holders
Last Price
$4.02
2026-08-24
Sector
Health Care
GICS
Quarterly fund activity4 increased7 reduced5 exited
Full exits: Point72 Asset Management, L.P., Hudson Bay Capital Management LP, Schonfeld Strategic Advisors LLC, Qube Research & Technologies Ltd, Brevan Howard Capital Management LP
Institutional Holders of MGNX
↗
11 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund2.63M$12.2M23.8%0.0%Reduced$-1.5MQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund2.47M$11.4M22.3%0.0%Reduced$-287KQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund2.37M$11.0M21.4%0.0%Reduced$-1.9MQ2 2026
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund1.62M$7.5M14.6%0.0%Reduced$-10.6MQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund1.06M$4.9M9.6%0.0%Added+$2.0MQ2 2026
Walleye Capital LLC
CIK 0001758720
Hedge Fund408K$1.9M3.7%0.0%Added+$1.9MQ2 2026
Man Group plc
CIK 0001637460
Hedge Fund188K$869K1.7%0.0%Added+$648KQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund180K$831K1.6%0.0%Reduced+$297KQ2 2026
Squarepoint Ops LLC
CIK 0001642575
Hedge Fund117K$542K1.1%0.0%Reduced$-307KQ2 2026
TUDOR INVESTMENT CORP ET AL
CIK 0000923093
Hedge Fund16K$76K0.1%0.0%Reduced$-370Q2 2026
RENAISSANCE TECHNOLOGIES LLCReduced
Hedge Fund
$12.2M· 23.8% of total· 0.0% port· 2.63M sh· $-1.5M QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPReduced
Hedge Fund
$11.4M· 22.3% of total· 0.0% port· 2.47M sh· $-287K QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCReduced
Hedge Fund
$11.0M· 21.4% of total· 0.0% port· 2.37M sh· $-1.9M QoQ· Q2 2026
MARSHALL WACE, LLPReduced
Hedge Fund
$7.5M· 14.6% of total· 0.0% port· 1.62M sh· $-10.6M QoQ· Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$4.9M· 9.6% of total· 0.0% port· 1.06M sh· +$2.0M QoQ· Q2 2026
Walleye Capital LLCAdded
Hedge Fund
$1.9M· 3.7% of total· 0.0% port· 408K sh· +$1.9M QoQ· Q2 2026
Man Group plcAdded
Hedge Fund
$869K· 1.7% of total· 0.0% port· 188K sh· +$648K QoQ· Q2 2026
CITADEL ADVISORS LLCReduced
Hedge Fund
$831K· 1.6% of total· 0.0% port· 180K sh· +$297K QoQ· Q2 2026
Squarepoint Ops LLCReduced
Hedge Fund
$542K· 1.1% of total· 0.0% port· 117K sh· $-307K QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALReduced
Hedge Fund
$76K· 0.1% of total· 0.0% port· 16K sh· $-370 QoQ· Q2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPAdded
Hedge Fund
$53K· 0.1% of total· 0.0% port· 11K sh· — QoQ· Q2 2026
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