WhaleCreep

Which hedge funds own QTTB? Q32 BIO INC, Q2 2026 13F holders

23 tracked hedge funds disclosed a position in QTTB (Q32 BIO INC) in their Q2 2026 13F filings, worth $189.1m in total. The largest holder by portfolio weight is Boxer Capital Management, LLC at 3.0% of its book. 14 opened a new position this quarter: Boxer Capital Management, LLC, Ikarian Capital, LLC, Logos Global Management LP, RA Capital Management, L.P.. 1 exited: ADAR1 Capital Management, LLC.

23
Holders
Tracked managers whose filing for the quarter reports a long equity position in the security.
14
New this quarter
Holders whose previous filing (at most two quarters earlier) did not report the security.
1
Exited this quarter
Tracked managers whose previous filing reported the security and whose filing for the quarter does not.
$117m
Inflow, new holders
Combined value of the positions the new holders reported for the quarter.
$225k
Outflow, exits
Combined value the exiting managers reported for the security in their previous filing.
$189m
Combined value
Sum of the holders' reported positions in the security.
1.9%
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

23 rows
Boxer Capital Management, LLC Hedge fund3.0%$40.1m3.15m–new
Opaleye Management Inc. Hedge fund1.1%$11.9m931,000−26%reduced
Orbimed Advisors LLC Hedge fund1.0%$52.6m4.13m+83%added
Ikarian Capital, LLC Hedge fund0.9%$5.5m430,000–new
Logos Global Management LP Hedge fund0.4%$10.2m800,000–new
Monimus Capital Management, LP Hedge fund0.4%$1.7m132,036−1.7%reduced
RA Capital Management, L.P. Hedge fund0.3%$29.7m2.33m–new
SummitTX Capital, L.P. Hedge fund0.2%$9.3m733,774–new
DAFNA Capital Management LLC Hedge fund0.08%$419k32,896–new
Boothbay Fund Management, LLC Hedge fund0.03%$1.7m130,427–new
Point72 Asset Management, L.P. Hedge fund0.02%$14.9m1.17m–new
Mangrove Partners IM, LLC Hedge fund0.02%$282k22,150–new
Affinity Asset Advisors, LLC Hedge fund0.02%$354k27,7770.0%held
Woodline Partners LP Hedge fund0.01%$3.6m286,212–new
Carlyle Group Inc. Hedge fund0.01%$769k60,363−95%reduced
Renaissance Technologies LLC Hedge fund0.0%$2.3m179,600−13%reduced
ExodusPoint Capital Management, LP Hedge fund0.0%$144k11,336–new
Citadel Advisors LLC Hedge fund0.0%$1.5m120,663+679%added
Marshall Wace, LLP Hedge fund0.0%$854k67,045+28%added
Squarepoint Ops LLC Hedge fund0.0%$303k23,790–new
Two Sigma Investments, LP Hedge fund0.0%$632k49,582+17%added
Balyasny Asset Management L.P. Hedge fund0.0%$157k12,342–new
Millennium Management LLC Hedge fund0.0%$139k10,928–new