WhaleCreep

Which hedge funds own ATRC? ATRICURE INC, Q2 2026 13F holders

HealthcareMedical Instruments & Supplies

32 tracked hedge funds disclosed a position in ATRC (ATRICURE INC) in their Q2 2026 13F filings, worth $240.6m in total. The largest holder by portfolio weight is DAFNA Capital Management LLC at 3.2% of its book. 10 opened a new position this quarter: Topline Capital Management, LLC, Fox Run Management, L.L.C., Caption Management, LLC, Point72 Asset Management, L.P.. 6 exited: Gsa Capital Partners LLP, Mirabella Financial Services LLP, Graham Capital Management, L.P..

32
Holders
Tracked managers whose filing for the quarter reports a long equity position in the security.
10
New this quarter
Holders whose previous filing (at most two quarters earlier) did not report the security.
6
Exited this quarter
Tracked managers whose previous filing reported the security and whose filing for the quarter does not.
$25.7m
Inflow, new holders
Combined value of the positions the new holders reported for the quarter.
$7.7m
Outflow, exits
Combined value the exiting managers reported for the security in their previous filing.
$241m
Combined value
Sum of the holders' reported positions in the security.
2.6%
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

32 rows
DAFNA Capital Management LLC Hedge fund3.2%$16.7m597,4310.0%held
Topline Capital Management, LLC Hedge fund1.0%$3.9m138,490–new
First Light Asset Management, LLC Hedge fund1.0%$15.9m567,838−22%reduced
Divisadero Street Capital Management, LP Hedge fund0.5%$22.4m800,931−31%reduced
EntryPoint Capital, LLC Hedge fund0.2%$863k30,831+55%added
Fox Run Management, L.L.C. Hedge fund0.05%$287k10,268–new
Caption Management, LLC Hedge fund0.04%$1.1m39,168–new
Marshall Wace, LLP Hedge fund0.03%$37.3m1.33m−9.1%reduced
Point72 Asset Management, L.P. Hedge fund0.03%$16.9m604,380–new
ExodusPoint Capital Management, LP Hedge fund0.02%$2.4m86,356–new
Brevan Howard Capital Management LP Hedge fund0.02%$1.5m54,447+473%added
Entropy Technologies, LP Hedge fund0.02%$534k19,080+66%added
WCM Investment Management Long-only investor0.02%$10.1m351,081−2.4%reduced
Prelude Capital Management, LLC Hedge fund0.02%$242k8,639–new
Engineers Gate Manager LP Hedge fund0.02%$1.3m48,160+12%added
Qube Research & Technologies Ltd Hedge fund0.02%$15.7m560,824+23%added
Arrowstreet Capital, Limited Partnership Hedge fund0.02%$36.3m1.30m+367%added
Aquatic Capital Management LLC Hedge fund0.02%$466k16,658+41%added
CenterBook Partners LP Hedge fund0.01%$239k8,530–new
Two Sigma Investments, LP Hedge fund0.01%$14.7m525,795−30%reduced
Bayforest Capital Ltd Hedge fund0.01%$11.7k419–new
Schonfeld Strategic Advisors LLC Hedge fund0.01%$1.9m68,243−33%reduced
Renaissance Technologies LLC Hedge fund0.01%$6.6m234,100−24%reduced
Bridgewater Associates, LP Hedge fund0.01%$2.1m76,307+128%added
Jain Global LLC Hedge fund0.01%$576k20,576–new
Voloridge Investment Management, LLC Hedge fund0.01%$1.4m50,582−48%reduced
Quarry LP Hedge fund0.01%$37.2k1,330–new
AQR Capital Management LLC Hedge fund0.01%$15.2m544,123+192%added
Trexquant Investment LP Hedge fund0.0%$749k26,784−81%reduced
Adage Capital Partners GP, L.L.C. Hedge fund0.0%$2.8m100,000−33%reduced
D. E. Shaw & Co., Inc. Hedge fund0.0%$5.4m192,824+241%added
Citadel Advisors LLC Hedge fund0.0%$5.0m177,339+103%added