Companies / AtriCure Inc / Activity

Activity — AtriCure Inc

92 moves.

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InsidersInstitutions
DateActorActionSecurityValueShares ΔPosition afterImpact
Q1 2026
as of
Marshall Wace, LLP
13F manager
AddCommon stock$15.81M+554K
+60.66%
1,467,524
2.89% of shares
medium
Q1 2026
as of
AllianceBernstein L.P.
13F manager
TrimCommon stock$-12.05M-305K
-8.55%
3,258,872
6.41% of shares
medium
Q2 2026
as of
BlackRock, Inc.
13F manager
AddCommon stock$11.44M+409K
+10.05%
4,474,548
8.80% of shares
medium
Q1 2026
as of
Two Sigma Investments, LP
13F manager
AddCommon stock$10.57M+371K
+97.37%
751,003
1.48% of shares
medium
Q1 2026
as of
Norges Bank
13F manager
ExitCommon stock$-8.47M-214K
-100.00%
0
medium
Q1 2026
as of
Arrowstreet Capital, Limited Partnership
13F manager
NewCommon stock$7.92M+278K
277,682
0.55% of shares
medium
Q4 2025
as of
Norges Bank
13F manager
AddCommon stock$6.13M+155K
+263.02%
214,016
0.42% of shares
medium
Q1 2026
as of
Champlain Investment Partners, LLC
13F manager
TrimCommon stock$-5.78M-202K
-17.25%
971,111
1.91% of shares
medium
Q3 2024
as of
Barclays PLC
13F manager
TrimCommon stock$-4.90M-175K
-57.49%
129,265
0.25% of shares
low
Q1 2026
as of
Osterweis Capital Management Inc
13F manager
AddCommon stock$4.17M+146K
+71.75%
349,645
0.69% of shares
low
Q1 2026
as of
First Eagle Investment Management, LLC
13F manager
AddCommon stock$4.15M+146K
+124.81%
262,143
0.52% of shares
low
Q2 2026
as of
State Street Corporation
13F manager
AddCommon stock$4.13M+148K
+11.88%
1,389,989
2.73% of shares
low
Q2 2024
as of
Barclays PLC
13F manager
AddCommon stock$4.13M+181K
+148.06%
304,068
0.60% of shares
low
Q2 2026
as of
Rice Hall James & Associates, LLC
13F manager
AddCommon stock$3.05M+109K
+432.36%
134,207
0.26% of shares
low
Q1 2026
as of
AQR Capital Management, LLC
13F manager
AddCommon stock$2.47M+86K
+86.46%
186,382
0.37% of shares
low
Q4 2023
as of
Barclays PLC
13F manager
AddCommon stock$2.20M+62K
+312.35%
81,295
0.16% of shares
low
Q1 2026
as of
Deerfield Management Company, L.P.
13F manager
ExitCommon stock$-2.06M-52K
-100.00%
0
low
Q1 2026
as of
First Trust Advisors LP
13F manager
AddCommon stock$2.04M+72K
+60.74%
189,285
0.37% of shares
low
Q2 2026
as of
LPL Financial LLC
13F manager
AddCommon stock$2.01M+72K
+344.15%
92,858
0.18% of shares
low
Q4 2025
as of
Bank of America Corp /De
13F manager
TrimCommon stock$-1.95M-49K
-6.79%
675,731
1.33% of shares
low
Q2 2026
as of
Granite Investment Partners, LLC
13F manager
NewCommon stock$1.65M+59K
58,828
0.12% of shares
low
Q1 2026
as of
D. E. Shaw & Co., Inc.
13F manager
NewCommon stock$1.61M+57K
56,589
0.11% of shares
low
Q4 2024
as of
Barclays PLC
13F manager
TrimCommon stock$-1.31M-43K
-33.05%
86,541
0.17% of shares
low
Q2 2025
as of
Barclays PLC
13F manager
AddCommon stock$1.26M+39K
+62.16%
100,585
0.20% of shares
low
Q1 2024
as of
Barclays PLC
13F manager
AddCommon stock$1.26M+41K
+50.78%
122,576
0.24% of shares
low
Q1 2026
as of
Adage Capital Partners Gp, L.L.C.
13F manager
AddCommon stock$1.14M+40K
+36.10%
150,000
0.29% of shares
low
Q2 2026
as of
WINTON GROUP Ltd
13F manager
NewCommon stock$1.00M+36K
35,800
0.07% of shares
low
Q1 2026
as of
Geode Capital Management, LLC
13F manager
AddCommon stock$987.8K+35K
+2.91%
1,226,116
2.41% of shares
low
Q1 2026
as of
Victory Capital Management, Inc.
13F manager
ExitCommon stock$-982.8K-25K
-100.00%
0
low
Q1 2026
as of
Bridgewater Associates, LP
13F manager
NewCommon stock$956.2K+34K
33,517
0.07% of shares
low
Q1 2026
as of
Campbell & CO Investment Adviser LLC
13F manager
ExitCommon stock$-913.1K-23K
-100.00%
0
low
Q1 2026
as of
Prudential Financial Inc
13F manager
TrimCommon stock$-865.6K-30K
-50.06%
30,270
0.06% of shares
low
Q1 2025
as of
Barclays PLC
13F manager
TrimCommon stock$-790.7K-25K
-28.32%
62,030
0.12% of shares
low
Q1 2026
as of
Rice Hall James & Associates, LLC
13F manager
NewCommon stock$719.2K+25K
25,210
0.05% of shares
low
Q2 2026
as of
Quadrature Capital Ltd
13F manager
NewCommon stock$603.4K+22K
21,565
0.04% of shares
low
Q1 2026
as of
Principal Financial Group Inc
13F manager
AddCommon stock$575.1K+20K
+45.66%
64,296
0.13% of shares
low
Q3 2025
as of
Barclays PLC
13F manager
TrimCommon stock$-532.5K-15K
-15.02%
85,478
0.17% of shares
low
Q1 2023
as of
Barclays PLC
13F manager
AddCommon stock$501.8K+12K
+79.53%
27,325
0.05% of shares
low
Q1 2026
as of
Balyasny Asset Management L.P.
13F manager
NewCommon stock$493.5K+17K
17,299
0.03% of shares
low
Q1 2026
as of
Millennium Management LLC
13F manager
AddCommon stock$459.1K+16K
+9.82%
179,886
0.35% of shares
low
Q1 2026
as of
California State Teachers Retirement System
13F manager
AddCommon stock$427.6K+15K
+33.33%
59,947
0.12% of shares
low
Q2 2026
as of
Versor Investments LP
13F manager
ExitCommon stock$-415.4K-11K
-100.00%
0
low
Q2 2026
as of
Deutsche Bank AG
13F manager
AddCommon stock$384.5K+14K
+29.92%
59,668
0.12% of shares
low
Q1 2026
as of
Renaissance Technologies LLC
13F manager
TrimCommon stock$-376.6K-13K
-4.10%
308,700
0.61% of shares
low
Q1 2026
as of
Valmark Advisers, Inc.
13F manager
NewCommon stock$373.2K+13K
13,080
0.03% of shares
low
Q1 2026
as of
WCM Investment Management, LLC
13F manager
TrimCommon stock$-365.1K-13K
-3.47%
359,761
0.71% of shares
low
Q2 2026
as of
AlphaQuest LLC
13F manager
ExitCommon stock$-351.1K-9K
-100.00%
0
low
Q2 2023
as of
Barclays PLC
13F manager
TrimCommon stock$-323.9K-7K
-24.01%
20,764
0.04% of shares
low
Q4 2025
as of
Barclays PLC
13F manager
AddCommon stock$282.0K+7K
+8.34%
92,606
0.18% of shares
low
Q1 2026
as of
BNP Paribas Financial Markets
13F manager
AddCommon stock$279.9K+10K
+68.36%
24,164
0.05% of shares
low
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