13FBOX
ATRICURE INC · 13F Institutional Holdings
Options Calculator Rankings
A

ATRICURE INC

ATRC
Institutions
254
Combined AUM (Q2 2026)
$1.48B
Combined Shares (Q2 2026)
52.7M
Overall Trend
Increase
All institutions combined
📥 Inflow (Q1 2026→Q2 2026)
+8.3M
160 · 57 New Buys · ≈
📤 Outflow (Q1 2026→Q2 2026)
-4.1M
83 · 25 Exit · ≈
⚖️ Net
+4.2M
Net Buy
💰 Net Value
≈ —
est. price
Latest AUM (Q2 2026)
$1.48B
Institutions
254
New Buys
57
Adds
103
Reduces
58
Exits
25
Unchanged
36
Ownership TrendPortfolio %Prev Q %RankQ2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
BlackRock, Inc.
<0.01%<0.01%#119$125.2M4.5M$115.3M4.0M+431,867+10.68%Add
WELLINGTON MANAGEMENT GROUP LLP
0.02%0.02%#54$97.8M3.5M$96.5M3.4M+113,048+3.34%Add
VANGUARD PORTFOLIO MANAGEMENT LLC
<0.01%<0.01%#95$87.5M3.1M$77.1M2.7M+424,563+15.71%Add
Hood River Capital Management LLC
0.59%0.89%#11$81.3M2.9M$88.9M3.1M-212,246-6.81%Reduce
ALLIANCEBERNSTEIN L.P.
0.03%0.04%#42$79.0M2.8M$128.9M3.3M-490,507-15.05%Reduce
VANGUARD CAPITAL MANAGEMENT LLC
<0.01%<0.01%#138$61.3M2.2M$61.5M2.2M+34,649+1.61%Add
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.
0.07%0.09%#31$48.5M1.7M$51.5M1.8M-70,648-3.91%Reduce
GOLDMAN SACHS GROUP INC
<0.01%0.01%#98$44.7M1.6M$47.6M1.7M-69,178-4.15%Reduce
STATE STREET CORP
<0.01%<0.01%#140$38.9M1.4M$37.2M1.3M+87,827+6.74%Add
MARSHALL WACE, LLP
0.03%0.04%#41$37.3M1.3M$41.9M1.5M-133,620-9.11%Reduce
GEODE CAPITAL MANAGEMENT, LLC
<0.01%<0.01%#117$36.9M1.3M$35.0M1.2M+93,571+7.63%Add
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
0.02%<0.01%#56$36.3M1.3M$7.9M277,682+1.0M+366.80%Add
DIMENSIONAL FUND ADVISORS LP
0.01%0.01%#86$29.2M1.0M$28.5M997,759+46,275+4.64%Add
Neuberger Berman Group LLC
0.02%0.02%#52$26.6M947,982$30.0M1.1M-102,300-9.74%Reduce
GW&K Investment Management, LLC
0.21%0.24%#18$26.6M949,516$27.5M963,415-13,899-1.44%Reduce
Champlain Investment Partners, LLC
0.67%0.35%#8$26.3M938,567$27.7M971,111-32,544-3.35%Reduce
BNP Paribas Asset Management Holding S.A.
0.03%#44$25.1M897,419$00+897,419New Buy
BANK OF AMERICA CORP /DE/
<0.01%<0.01%#128$24.5M874,370$21.9M768,561+105,809+13.77%Add
KENNEDY CAPITAL MANAGEMENT LLC
0.42%0.5%#13$24.0M857,787$23.8M834,155+23,632+2.83%Add
Divisadero Street Capital Management, LP
0.51%1.38%#12$22.4M800,931$33.1M1.2M-359,024-30.95%Reduce
Point72 Asset Management, L.P.
0.02%#47$16.9M604,380$00+604,380New Buy
DAFNA Capital Management LLC
3.19%3.88%#1$16.7M597,431$17.0M597,43100.00%Unchanged
Grandeur Peak Global Advisors, LLC
1.67%2.55%#2$16.4M587,399$10.9M381,902+205,497+53.81%Add
MASSACHUSETTS FINANCIAL SERVICES CO /MA/
0.01%0.01%#84$16.2M580,621$16.7M585,353-4,732-0.81%Reduce
First Light Asset Management, LLC
0.97%1.87%#5$15.9M567,838$20.8M729,521-161,683-22.16%Reduce
Qube Research & Technologies Ltd
0.01%0.01%#61$15.7M560,824$13.0M454,791+106,033+23.31%Add
AQR CAPITAL MANAGEMENT LLC
0.01%<0.01%#85$15.2M544,123$5.3M186,382+357,741+191.94%Add
TWO SIGMA INVESTMENTS, LP
0.01%0.02%#69$14.7M525,795$21.4M751,003-225,208-29.99%Reduce
FMR LLC
<0.01%<0.01%#171$14.2M506,357$9.6M336,814+169,543+50.34%Add
OSTERWEIS CAPITAL MANAGEMENT INC
0.66%0.51%#9$14.0M501,355$10.0M349,645+151,710+43.39%Add
NORTHERN TRUST CORP
<0.01%<0.01%#127$13.5M482,043$12.8M449,599+32,444+7.22%Add
MORGAN STANLEY
<0.01%<0.01%#166$12.8M457,798$6.7M188,816+268,982+142.46%Add
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
<0.01%<0.01%#126$11.8M423,106$12.3M429,833-6,727-1.57%Reduce
PANAGORA ASSET MANAGEMENT INC
0.03%0.02%#38$10.9M389,099$6.5M227,377+161,722+71.13%Add
NORGES BANK
<0.01%<0.01%#145$10.5M374,362$1.9M58,954+315,408+535.01%Add
Nuveen, LLC
<0.01%<0.01%#111$10.2M365,825$9.6M336,727+29,098+8.64%Add
WCM INVESTMENT MANAGEMENT, LLC
0.02%0.02%#48$10.1M351,081$10.2M359,761-8,680-2.41%Reduce
VANGUARD FIDUCIARY TRUST CO
<0.01%<0.01%#114$10.0M359,048$9.8M342,854+16,194+4.72%Add
Connor, Clark & Lunn Investment Management Ltd.
0.02%0.02%#51$9.4M335,541$9.9M345,388-9,847-2.85%Reduce
HRT FINANCIAL LP
0.02%<0.01%#60$8.4M299,736$1.9M67,071+232,665+346.89%Add
First Eagle Investment Management, LLC
0.01%0.01%#63$8.3M297,643$7.5M262,143+35,500+13.54%Add
SEI INVESTMENTS CO
0.01%0.01%#78$7.9M281,310$7.4M260,788+20,522+7.87%Add
RAYMOND JAMES FINANCIAL INC
<0.01%<0.01%#116$7.4M266,055$6.1M216,907+49,148+22.66%Add
Amundi
<0.01%<0.01%#122$7.4M264,854$6.4M225,932+38,922+17.23%Add
RENAISSANCE TECHNOLOGIES LLC
0.01%0.01%#73$6.6M234,100$8.8M308,700-74,600-24.17%Reduce
WASATCH ADVISORS LP
0.04%0.05%#35$6.5M233,604$7.2M253,931-20,327-8.00%Reduce
Universal- Beteiligungs- und Servicegesellschaft mbH
0.01%0.01%#71$6.3M226,338$6.1M215,545+10,793+5.01%Add
NICHOLAS COMPANY, INC.
0.1%0.11%#24$5.7M204,595$5.8M204,59500.00%Unchanged
D. E. Shaw & Co., Inc.
<0.01%<0.01%#110$5.4M192,824$1.6M56,589+136,235+240.74%Add
CITADEL ADVISORS LLC
<0.01%<0.01%#173$5.3M188,839$2.5M87,347+101,492+116.19%Add

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow