WhaleCreep

Which hedge funds own RGEN? REPLIGEN CORP, Q2 2026 13F holders

HealthcareMedical Instruments & Supplies

58 tracked hedge funds disclosed a position in RGEN (REPLIGEN CORP) in their Q2 2026 13F filings, worth $1.4bn in total. The largest holder by portfolio weight is 12 West Capital Management LP at 7.1% of its book. 24 opened a new position this quarter: Freshford Capital Management, LLC, Wolverine Asset Management LLC, Duquesne Family Office LLC, Oak Thistle LLC. 13 exited: Roubaix Capital, LLC, Opti Capital Management, LP, Sone Capital Management, LLC.

58
Holders
Tracked managers whose filing for the quarter reports a long equity position in the security.
24
New this quarter
Holders whose previous filing (at most two quarters earlier) did not report the security.
13
Exited this quarter
Tracked managers whose previous filing reported the security and whose filing for the quarter does not.
$149m
Inflow, new holders
Combined value of the positions the new holders reported for the quarter.
$39.6m
Outflow, exits
Combined value the exiting managers reported for the security in their previous filing.
$1.4bn
Combined value
Sum of the holders' reported positions in the security.
4.7%
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

58 rows
12 West Capital Management LP Hedge fund7.1%$38.2m280,165+47%added
Freshford Capital Management, LLC Hedge fund3.7%$10.8m79,048–new
DeepCurrents Investment Group LLC Hedge fund3.3%$96.8m94.44m0.0%held
Maverick Capital Ltd Hedge fund2.4%$271m1.98m+31%added
Avidity Partners Management LP Hedge fund1.7%$10.6m77,8000.0%held
Braidwell LP Hedge fund1.5%$40.6m16.18m−84%reduced
RTW Investments, LP Hedge fund1.4%$169m1.24m+2.9%added
Vestal Point Capital, LP Hedge fund1.3%$54.6m400,000−57%reduced
Aequim Alternative Investments LP Hedge fund1.2%$77.1m75.00m−7.8%reduced
NZS Capital, LLC Hedge fund0.7%$28.0m205,257+1.0%added
Wolverine Asset Management LLC Hedge fund0.7%$52.5m51.22m–new
Readystate Asset Management LP Hedge fund0.6%$15.9m10.04m+151%added
Perceptive Advisors LLC Hedge fund0.5%$33.9m248,212−12%reduced
TENOR CAPITAL MANAGEMENT Co., L.P. Hedge fund0.5%$34.9m34.00m+320%added
Holocene Advisors, LP Hedge fund0.4%$176m1.29m+82%added
Duquesne Family Office LLC Family office0.2%$10.6m77,400–new
Oak Thistle LLC Hedge fund0.2%$2.3m17,222–new
Fort Baker Capital Management LP Hedge fund0.2%$2.6m2.50m−67%reduced
Persistent Asset Partners Ltd Hedge fund0.2%$532k3,902–new
Capstone Investment Advisors, LLC Hedge fund0.2%$23.1m22.50m+748652%added
Cercano Management LLC Hedge fund0.1%$1.1m7,856–new
Cinctive Capital Management LP Hedge fund0.1%$3.6m26,065+42%added
ABS Investment Management LLC Hedge fund0.1%$191k136–
Moore Capital Management, LP Hedge fund0.1%$5.1m37,549–new
Eversept Partners, LP Hedge fund0.1%$2.0m14,401−88%reduced
FNY Investment Advisers, LLC Hedge fund0.1%$291k2,140+1.9%added
Balyasny Asset Management L.P. Hedge fund0.09%$48.5m355,507+183%added
Alpine Woods Capital Investors, LLC Hedge fund0.07%$295k2,165−5.7%reduced
Boothbay Fund Management, LLC Hedge fund0.06%$3.3m24,465+27%added
Prelude Capital Management, LLC Hedge fund0.05%$679k4,975–new
Qsemble Capital Management, LP Hedge fund0.05%$360k2,635–new
Lighthouse Investment Partners, LLC Hedge fund0.04%$1.3m9,712+456%added
Hudson Bay Capital Management LP Hedge fund0.04%$8.2m60,000−35%reduced
Verition Fund Management LLC Hedge fund0.04%$5.2m37,996–new
Entropy Technologies, LP Hedge fund0.04%$888k6,505–new
Point72 Asset Management, L.P. Hedge fund0.03%$22.7m166,157−97%reduced
Marshall Wace, LLP Hedge fund0.03%$38.5m282,107–new
Citadel Advisors LLC Hedge fund0.03%$51.3m376,309−66%reduced
Gsa Capital Partners LLP Hedge fund0.02%$336k2,461–new
Graham Capital Management, L.P. Hedge fund0.02%$628k4,602+121%added
Tudor Investment Corp ET AL Hedge fund0.01%$3.5m25,678–new
Engineers Gate Manager LP Hedge fund0.01%$1.0m7,646+146%added
Quarry LP Hedge fund0.01%$85.3k625–new
Edgestream Partners, L.P. Hedge fund0.01%$351k2,573–new
Weiss Asset Management LP Hedge fund0.01%$900k6,593–new
D. E. Shaw & Co., Inc. Hedge fund0.01%$11.4m83,328–new
ExodusPoint Capital Management, LP Hedge fund0.01%$585k4,288−89%reduced
Brevan Howard Capital Management LP Hedge fund0.0%$202k1,481–new
Bayforest Capital Ltd Hedge fund0.0%$2.7k20−49%reduced
First Manhattan Long-only investor0.0%$732k5,365−18%reduced