WhaleCreep

Which hedge funds own RNA? ATRIUM THERAPEUTICS INC, Q2 2026 13F holders

37 tracked hedge funds disclosed a position in RNA (ATRIUM THERAPEUTICS INC) in their Q2 2026 13F filings, worth $92.3m in total. The largest holder by portfolio weight is Crcm LP at 5.7% of its book. 9 opened a new position this quarter: Crcm LP, Trium Capital LLP, DAFNA Capital Management LLC, Anson Funds Management LP. 18 exited: Cannon Global Investment Management, LLC, Fifth Lane Capital, LP, O'Connor Alternative Investments LLC.

37
Holders
Tracked managers whose filing for the quarter reports a long equity position in the security.
9
New this quarter
Holders whose previous filing (at most two quarters earlier) did not report the security.
18
Exited this quarter
Tracked managers whose previous filing reported the security and whose filing for the quarter does not.
$16.6m
Inflow, new holders
Combined value of the positions the new holders reported for the quarter.
$38.5m
Outflow, exits
Combined value the exiting managers reported for the security in their previous filing.
$92.3m
Combined value
Sum of the holders' reported positions in the security.
3.0%
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

37 rows
Crcm LP Hedge fund5.7%$8.6m641,539–new
Arbiter Partners Capital Management LLC Hedge fund1.9%$3.5m261,288+14%added
Creek Drive Management Group LLC Hedge fund1.1%$1.7m127,600+6.3%added
Marble Bar Asset Management LLP Hedge fund1.0%$1.4m103,849−29%reduced
Trium Capital LLP Hedge fund1.0%$1.5m113,278–new
Slotnik Capital, LLC Hedge fund0.9%$3.2m237,637+31%added
Yakira Capital Management, Inc. Hedge fund0.5%$1.8m133,047+5.1%added
Athos Capital Ltd Hedge fund0.5%$1.5m107,9650.0%held
Bracebridge Capital, LLC Hedge fund0.4%$1.9m139,2390.0%held
683 Capital Management, LLC Hedge fund0.4%$4.0m300,0000.0%held
Sessa Capital IM, L.P. Hedge fund0.3%$20.2m1.50m+172%added
TIG Advisors, LLC Hedge fund0.3%$7.6m561,533−7.6%reduced
DAFNA Capital Management LLC Hedge fund0.3%$1.7m128,000–new
Twin Securities, Inc. Hedge fund0.2%$357k26,517−47%reduced
Anson Funds Management LP Hedge fund0.2%$1.7m125,000–new
AWM Investment Company, Inc. Hedge fund0.1%$1.4m107,500+115%added
Polar Asset Management Partners Inc. Hedge fund0.04%$2.0m150,000+114%added
ADAR1 Capital Management, LLC Hedge fund0.04%$776k57,6880.0%held
Caption Management, LLC Hedge fund0.04%$1.0m75,277−27%reduced
Weiss Asset Management LP Hedge fund0.03%$3.0m219,730−8.7%reduced
Saba Capital Management, L.P. Hedge fund0.02%$533k39,6400.0%held
ExodusPoint Capital Management, LP Hedge fund0.01%$1.6m117,275+51%added
Schonfeld Strategic Advisors LLC Hedge fund0.01%$2.7m199,158+22%added
Caxton Associates LLP Hedge fund0.01%$595k44,2300.0%held
Y-Intercept (Hong Kong) Ltd Hedge fund0.01%$472k35,103–new
Tudor Investment Corp ET AL Hedge fund0.01%$1.7m129,591+82%added
Brevan Howard Capital Management LP Hedge fund0.0%$280k20,834−34%reduced
Squarepoint Ops LLC Hedge fund0.0%$2.0m146,743−37%reduced
Two Sigma Investments, LP Hedge fund0.0%$4.6m345,481+93%added
Balyasny Asset Management L.P. Hedge fund0.0%$1.4m105,875−55%reduced
Quantbot Technologies LP Hedge fund0.0%$48.6k3,614–new
Adage Capital Partners GP, L.L.C. Hedge fund0.0%$1.3m100,000−46%reduced
Millennium Management LLC Hedge fund0.0%$2.7m200,559+5.1%added
FNY Investment Advisers, LLC Hedge fund0.0%$3.0k260–new
AQR Capital Management LLC Hedge fund0.0%$2.3m172,235–new
Citadel Advisors LLC Hedge fund0.0%$910k67,639−38%reduced
Renaissance Technologies LLC Hedge fund0.0%$201k14,971–new