WhaleCreep

Which hedge funds own BIO? BIO RAD LABS INC, Q2 2026 13F holders

HealthcareMedical Devices

41 tracked hedge funds disclosed a position in BIO (BIO RAD LABS INC) in their Q2 2026 13F filings, worth $382.5m in total. The largest holder by portfolio weight is QVIDTVM Management LLC at 25.4% of its book. 17 opened a new position this quarter: Palliser Capital (UK) Ltd, AYAL Capital Advisors Ltd, Slotnik Capital, LLC, Concentric Capital Strategies, LP. 8 exited: Southeastern Asset Management (Mason Hawkins), Almitas Capital LLC, Quantedge Capital Pte Ltd.

41
Holders
Tracked managers whose filing for the quarter reports a long equity position in the security.
17
New this quarter
Holders whose previous filing (at most two quarters earlier) did not report the security.
8
Exited this quarter
Tracked managers whose previous filing reported the security and whose filing for the quarter does not.
$39.4m
Inflow, new holders
Combined value of the positions the new holders reported for the quarter.
$74.9m
Outflow, exits
Combined value the exiting managers reported for the security in their previous filing.
$382m
Combined value
Sum of the holders' reported positions in the security.
3.3%
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

41 rows
QVIDTVM Management LLC Hedge fund25.4%$19.4m66,243−21%reduced
JNE Partners LLP Hedge fund10.7%$26.0m88,511−3.9%reduced
Palliser Capital (UK) Ltd Hedge fund4.4%$8.2m27,954–new
AYAL Capital Advisors Ltd Hedge fund2.5%$4.8m16,333–new
Mangrove Partners IM, LLC Hedge fund2.5%$37.3m127,191+0.3%held
Sivik Global Healthcare LLC Hedge fund2.1%$2.8m10,0000.0%held
Arnhold LLC Hedge fund1.1%$16.3m55,568+30%added
Pavaki Capital Management LLC Hedge fund1.0%$1.8m6,0000.0%held
Hound Partners, LLC Hedge fund0.8%$6.6m22,481−77%reduced
Deerfield Management Company, L.P. Hedge fund0.7%$66.4m226,0700.0%held
Slotnik Capital, LLC Hedge fund0.6%$2.2m7,500–new
Concentric Capital Strategies, LP Hedge fund0.4%$7.0m23,692–new
PFM Health Sciences, LP Hedge fund0.4%$4.1m13,995–new
Freestone Grove Partners LP Hedge fund0.3%$41.1m140,113−5.1%reduced
Skylands Capital, LLC Hedge fund0.3%$2.1m7,225+28%added
Campbell & CO Investment Adviser LLC Hedge fund0.2%$4.1m14,056–new
Bayforest Capital Ltd Hedge fund0.2%$200k682–new
Caxton Associates LLP Hedge fund0.08%$4.1m13,875–new
AlphaGrep UK Ltd Hedge fund0.08%$249k847–new
Brevan Howard Capital Management LP Hedge fund0.06%$4.0m13,718+254%added
Prelude Capital Management, LLC Hedge fund0.04%$592k2,015−74%reduced
Dark Forest Capital Management LP Hedge fund0.04%$652k2,219−34%reduced
Twinbeech Capital LP Hedge fund0.04%$220k750–new
Tudor Investment Corp ET AL Hedge fund0.03%$7.3m25,000+384%added
Aquatic Capital Management LLC Hedge fund0.03%$807k2,749+2921%added
Fulcrum Asset Management LLP Hedge fund0.03%$273k924–new
BTG Pactual Asset Management US LLC Hedge fund0.02%$270k920–new
AQR Capital Management LLC Hedge fund0.02%$56.0m192,711+104%added
Numerai GP LLC Hedge fund0.02%$235k802–new
SummitTX Capital, L.P. Hedge fund0.02%$593k2,018–new
Quantbot Technologies LP Hedge fund0.01%$358k1,219–new
Millennium Management LLC Hedge fund0.01%$17.6m59,895+1718%added
Citadel Advisors LLC Hedge fund0.01%$17.9m60,819−59%reduced
Squarepoint Ops LLC Hedge fund0.0%$2.5m8,419–new
Marshall Wace, LLP Hedge fund0.0%$5.6m18,980−43%reduced
D. E. Shaw & Co., Inc. Hedge fund0.0%$5.7m19,256+136%added
Two Sigma Investments, LP Hedge fund0.0%$3.0m10,320−6.1%reduced
Elequin Capital, LP Hedge fund0.0%$63.7k217–new
Arrowstreet Capital, Limited Partnership Hedge fund0.0%$4.0m13,664−13%reduced
CVA Family Office, LLC Family office0.0%$10.0k34+3.0%added
Quarry LP Hedge fund0.0%$1.8k6−98%reduced