WhaleCreep

Which hedge funds own ANAB? ANAPTYSBIO INC, Q2 2026 13F holders

HealthcareBiotechnology

43 tracked hedge funds disclosed a position in ANAB (ANAPTYSBIO INC) in their Q2 2026 13F filings, worth $1.1bn in total. The largest holder by portfolio weight is EcoR1 Capital, LLC at 26.4% of its book. 15 opened a new position this quarter: Greenhaven Road Investment Management, L.P., Quantedge Capital Pte Ltd, Lombard Odier Asset Management (USA) Corp, Irenic Capital Management LP. 12 exited: Ground Swell Capital, LLC, Bayforest Capital Ltd, Oxford Asset Management LLP.

43
Holders
Tracked managers whose filing for the quarter reports a long equity position in the security.
15
New this quarter
Holders whose previous filing (at most two quarters earlier) did not report the security.
12
Exited this quarter
Tracked managers whose previous filing reported the security and whose filing for the quarter does not.
$30.7m
Inflow, new holders
Combined value of the positions the new holders reported for the quarter.
$11.0m
Outflow, exits
Combined value the exiting managers reported for the security in their previous filing.
$1.1bn
Combined value
Sum of the holders' reported positions in the security.
3.5%
Share of managers holding
Holders as a share of tracked managers filing for that quarter. Comparable across the 2024 coverage expansion, where the raw holder count is not.

Holders, Q2 2026

43 rows
EcoR1 Capital, LLC Hedge fund26.4%$532m7.88m0.0%held
Greenhaven Road Investment Management, L.P. Hedge fund7.5%$11.5m171,059–new
Palo Alto Investors LP Hedge fund5.6%$40.7m603,489−5.4%reduced
683 Capital Management, LLC Hedge fund4.1%$44.6m660,000+5.6%added
Apis Capital Advisors, LLC Hedge fund3.3%$33.5m497,000+109%added
Affinity Asset Advisors, LLC Hedge fund2.7%$55.8m826,109−12%reduced
First Light Asset Management, LLC Hedge fund2.4%$39.3m582,004+2.9%added
Sofinnova Investments, Inc. Hedge fund1.8%$33.3m493,536+99%added
Quantedge Capital Pte Ltd Hedge fund0.5%$702k10,400–new
Lombard Odier Asset Management (USA) Corp Hedge fund0.4%$500k7,400–new
Irenic Capital Management LP Hedge fund0.3%$4.8m70,447–new
Eversept Partners, LP Hedge fund0.3%$4.7m69,983+158%added
Verdad Advisers, LP Hedge fund0.2%$236k3,498–new
Atom Investors LP Hedge fund0.2%$2.3m33,917–new
Rangeley Capital, LLC Hedge fund0.2%$203k3,000–new
Woodline Partners LP Hedge fund0.1%$48.4m717,014+108%added
Diametric Capital, LP Hedge fund0.1%$1.1m16,868–new
Aquatic Capital Management LLC Hedge fund0.07%$2.1m30,813–new
SummitTX Capital, L.P. Hedge fund0.05%$1.9m28,779–new
Squarepoint Ops LLC Hedge fund0.04%$21.9m324,446+21%added
Voleon Capital Management LP Hedge fund0.04%$2.1m31,425–new
Millennium Management LLC Hedge fund0.04%$54.5m807,316+70%added
Y-Intercept (Hong Kong) Ltd Hedge fund0.02%$1.2m18,468−19%reduced
D. E. Shaw & Co., Inc. Hedge fund0.02%$36.4m539,666−6.8%reduced
Capital Fund Management S.A. Hedge fund0.02%$2.6m39,142–new
Qube Research & Technologies Ltd Hedge fund0.02%$15.4m228,777−10%reduced
Voloridge Investment Management, LLC Hedge fund0.02%$3.9m57,555−27%reduced
Mangrove Partners IM, LLC Hedge fund0.02%$235k3,475−6.3%reduced
Citadel Advisors LLC Hedge fund0.02%$26.6m394,373+69%added
Trexquant Investment LP Hedge fund0.01%$2.4m35,404−58%reduced
Arrowstreet Capital, Limited Partnership Hedge fund0.01%$33.0m488,651−0.7%reduced
Two Sigma Investments, LP Hedge fund0.01%$17.8m262,995−43%reduced
Brevan Howard Capital Management LP Hedge fund0.01%$900k13,329+21%added
Persistent Asset Partners Ltd Hedge fund0.01%$38.8k575–new
ADAR1 Capital Management, LLC Hedge fund0.01%$250k3,6980.0%held
Hillsdale Investment Management Inc. Hedge fund0.01%$348k5,150+11%added
Tudor Investment Corp ET AL Hedge fund0.01%$1.4m20,019+303%added
Renaissance Technologies LLC Hedge fund0.01%$3.9m58,300−36%reduced
Verition Fund Management LLC Hedge fund0.0%$506k7,500–new
Marshall Wace, LLP Hedge fund0.0%$3.0m43,822−36%reduced
AQR Capital Management LLC Hedge fund0.0%$3.1m46,323+43%added
Quantbot Technologies LP Hedge fund0.0%$11.8k175−69%reduced
Quarry LP Hedge fund0.0%$2.0k29–new