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AtriCure, Inc.

ATRC
Exchange
Nasdaq
Industry
Surgical & Medical Instruments & Apparatus
SEC CIK
0001323885

In the last 90 days, AtriCure, Inc. insiders filed 0 open-market purchases and 10 sales; 251 institutions reported holding it in 13F filings for Q2 2026, worth $1.47B in total; no superinvestor holds it.

13F holders, Q1 2023

Institutional positions in AtriCure, Inc. as of Mar 31, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
225
+15 vs. Q4 2022
Shares held
44.7M
−211.9K (−0.5%) vs. Q4 2022
Total value
$1.86B
−$159.4M (−7.9%) vs. Q4 2022
New holders
35
94 more added
Sold out
20
58 more reduced

2 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2022: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ATRC on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2023: 225 institutions
Q1 2021: 191 institutionsQ2 2021: 212 institutionsQ3 2021: 214 institutionsQ4 2021: 217 institutionsQ1 2022: 218 institutionsQ2 2022: 215 institutionsQ3 2022: 214 institutionsQ4 2022: 212 institutionsQ1 2023: 225 institutionsQ2 2023: 224 institutionsQ3 2023: 231 institutionsQ4 2023: 233 institutionsQ1 2024: 224 institutionsQ2 2024: 198 institutionsQ3 2024: 202 institutionsQ4 2024: 213 institutionsQ1 2025: 221 institutionsQ2 2025: 202 institutionsQ3 2025: 223 institutionsQ4 2025: 234 institutionsQ1 2026: 224 institutionsQ2 2026: 251 institutions
Value heldQ1 2023: $1.86B
Q1 2021: $2.92BQ2 2021: $3.51BQ3 2021: $3.02BQ4 2021: $3.07BQ1 2022: $2.89BQ2 2022: $1.82BQ3 2022: $1.75BQ4 2022: $2.02BQ1 2023: $1.86BQ2 2023: $2.22BQ3 2023: $1.99BQ4 2023: $1.68BQ1 2024: $1.51BQ2 2024: $1.16BQ3 2024: $1.39BQ4 2024: $1.42BQ1 2025: $1.62BQ2 2025: $1.60BQ3 2025: $1.70BQ4 2025: $1.93BQ1 2026: $1.46BQ2 2026: $1.47B
Institutions holding ATRC and their total value by quarter
QuarterHoldersValue
Q2 2026251$1.47B
Q1 2026224$1.46B
Q4 2025234$1.93B
Q3 2025223$1.70B
Q2 2025202$1.60B
Q1 2025221$1.62B
Q4 2024213$1.42B
Q3 2024202$1.39B
Q2 2024198$1.16B
Q1 2024224$1.51B
Q4 2023233$1.68B
Q3 2023231$1.99B
Q2 2023224$2.22B
Q1 2023225$1.86B
Q4 2022212$2.02B
Q3 2022214$1.75B
Q2 2022215$1.82B
Q1 2022218$2.89B
Q4 2021217$3.07B
Q3 2021214$3.02B
Q2 2021212$3.51B
Q1 2021191$2.92B

Institutions, Q1 2023

Shares, value and share of portfolio for each institution holding AtriCure, Inc.; share changes are against Q4 2022.

Institutions holding ATRC in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc4,532,817$187.9M0.00%+143,002+3.3%Added
BlackRock Inc.3,856,291$159.8M0.00%+120,525+3.2%Added
Alliancebernstein L.P.3,123,504$129.5M0.06%−442,222−12.4%Reduced
Champlain Investment Partners, LLC1,892,095$78.4M0.49%−47,645−2.5%Reduced
Fred Alger Management, LLC1,511,304$62.6M0.34%−244,094−13.9%Reduced
Wellington Management Group LLP1,482,673$61.5M0.01%−126,222−7.8%Reduced
First Light Asset Management, LLC1,459,057$60.5M5.45%+6,543+0.5%Added
Invesco Ltd.1,422,118$58.9M0.02%−1,945,206−57.8%Reduced
Macquarie Group Ltd1,409,302$58.4M0.07%+33,348+2.4%Added
Millennium Management LLC1,193,515$49.5M0.06%+352,342+41.9%Added
Credit Suisse AG1,137,373$47.1M0.05%+5,627+0.5%Added
State Street Corp1,134,943$47.0M0.00%+74,842+7.1%Added
Geode Capital Management, LLC903,045$37.4M0.00%+36,976+4.3%Added
Loomis Sayles & Co L P895,602$37.1M0.06%+7,466+0.8%Added
GW&K Investment Management, LLC871,106$36.1M0.35%+4,374+0.5%Added
Dimensional Fund Advisors LP856,104$35.5M0.01%+253,419+42.0%Added
TimesSquare Capital Management, LLC777,855$32.2M0.47%−182,175−19.0%Reduced
Neuberger Berman Group LLC753,669$31.2M0.03%+204,175+37.2%Added
Nuveen Asset Management, LLC694,684$28.8M0.01%+161,939+30.4%Added
Fiera Capital Corp689,105$28.6M0.09%−2,502−0.4%Reduced
Bellevue Group AG647,222$26.8M0.39%+3,113+0.5%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.629,398$26.1M0.09%+26,617+4.4%Added
Northern Trust Corp608,395$25.2M0.00%−2,564−0.4%Reduced
Wasatch Advisors Inc607,936$25.2M0.16%+173,354+39.9%Added
Marshall Wace, LLP551,872$22.9M0.06%+551,872New
Emerald Advisers, LLC507,858$21.1M1.01%−9,259−1.8%Reduced
Bank of America Corp459,741$19.1M0.00%+45,281+10.9%Added
Price T Rowe Associates Inc435,450$18.1M0.00%+819+0.2%Added
Norges Bank430,101$17.8M0.00%+78,113+22.2%Added
Emerald Mutual Fund Advisers Trust411,400$17.1M1.01%+5,700+1.4%Added
Granite Investment Partners, LLC398,578$16.5M0.69%−2,666−0.7%Reduced
Charles Schwab Investment Management Inc344,721$14.3M0.00%+940+0.3%Added
Citadel Advisors LLC339,993$14.1M0.02%+210,127+161.8%Added
Bank of New York Mellon Corp294,311$12.2M0.00%−2,683−0.9%Reduced
UBS Asset Management Americas Inc281,154$11.7M0.01%+131,039+87.3%Added
Morgan Stanley281,088$11.7M0.00%+63,000+28.9%Added
Two Sigma Advisers, LP256,400$10.6M0.03%+166,600+185.5%Added
Two Sigma Investments, LP238,126$9.87M0.03%+152,168+177.0%Added
Goldman Sachs Group Inc237,935$9.86M0.00%+12,455+5.5%Added
New York State Common Retirement Fund232,601$9.64M0.01%−10,515−4.3%Reduced
Assenagon Asset Management S.A.227,513$9.43M0.04%+227,513New
Silvercrest Asset Management Group LLC213,880$8.87M0.07%−184−0.1%Reduced
Amundi203,895$8.37M0.00%−3,590−1.7%Reduced
WCM Investment Management, LLC189,863$7.87M0.03%+269+0.1%Added
D. E. Shaw & Co., Inc.178,827$7.41M0.01%+62,764+54.1%Added
Peregrine Capital Management LLC161,646$6.70M0.19%+4,783+3.0%Added
Sectoral Asset Management Inc159,532$6.61M1.27%−67,000−29.6%Reduced
Nicholas Company, Inc.147,605$6.12M0.12%+5,130+3.6%Added
Voloridge Investment Management, LLC136,343$5.65M0.03%+88,209+183.3%Added
Renaissance Technologies LLC134,700$5.58M0.01%+35,900+36.3%Added
DAFNA Capital Management LLC125,529$5.20M1.56%+53,500+74.3%Added
Thornburg Investment Management Inc119,569$4.96M0.08%−1,438−1.2%Reduced
Wells Fargo & Company116,963$4.85M0.00%+14,432+14.1%Added
Point72 Asset Management, L.P.115,219$4.78M0.02%+115,219New
State of Wisconsin Investment Board113,580$4.71M0.01%+682+0.6%Added
Cubist Systematic Strategies, LLC110,910$4.60M0.04%+54,074+95.1%Added
Congress Asset Management Co99,445$4.12M0.04%+9,924+11.1%Added
Royce & Associates LP97,982$4.06M0.04%−3,000−3.0%Reduced
Swiss National Bank95,300$3.95M0.00%−11,100−10.4%Reduced
Paradigm Capital Management Inc87,200$3.61M0.24%00.0%Unchanged
Man Group plc–$3.58M0.01%––
ExodusPoint Capital Management, LP86,185$3.57M0.04%+63,764+284.4%Added
Great Lakes Advisors, LLC82,394$3.42M0.03%+82,394New
Royal Bank of Canada81,707$3.39M0.00%−2,953−3.5%Reduced
SEI Investments Co80,691$3.34M0.01%−160−0.2%Reduced
Brinker Capital Investments, LLC79,769$3.31M0.04%+13,534+20.4%Added
Orion Portfolio Solutions, LLC79,769$3.31M0.04%+79,769New
HRT Financial LP78,800$3.27M0.04%+70,813+886.6%Added
Eagle Asset Management Inc74,667$3.09M0.02%+2,280+3.1%Added
JPMorgan Chase & Co73,533$3.05M0.00%+12,652+20.8%Added
Panagora Asset Management Inc68,875$2.85M0.02%+1,689+2.5%Added
Rhumbline Advisers67,410$2.79M0.00%+1,411+2.1%Added
Bridgewater Associates, LP65,346$2.71M0.02%+11,732+21.9%Added
Engineers Gate Manager LP60,398$2.50M0.10%+50,432+506.0%Added
FMR LLC60,282$2.50M0.00%−8,950−12.9%Reduced
Advisors Capital Management, LLC57,208$2.37M0.06%+11,529+25.2%Added
Pura Vida Investments, LLC56,219$2.33M0.24%+56,219New
California State Teachers Retirement System55,776$2.31M0.00%−802−1.4%Reduced
Oak Ridge Investments LLC55,694$2.31M0.31%−3,525−6.0%Reduced
Envestnet Asset Management Inc53,726$2.23M0.00%+2,953+5.8%Added
Jefferies Financial Group Inc.52,910$2.19M0.05%+52,910New
State of New Jersey Common Pension Fund D52,020$2.16M0.01%00.0%Unchanged
Sit Investment Associates Inc46,725$1.94M0.05%00.0%Unchanged
Decheng Capital Management III (Cayman), LLC46,259$1.92M0.77%00.0%Unchanged
Essex Investment Management Co LLC45,436$1.88M0.27%+45,436New
Qube Research & Technologies Ltd45,421$1.88M0.01%+45,421New
Connor, Clark & Lunn Investment Management Ltd.43,615$1.81M0.01%+15,361+54.4%Added
Legal & General Group Plc42,018$1.74M0.00%+1,176+2.9%Added
UBS Oconnor LLC41,160$1.71M0.04%+41,160New
Tamarack Advisers, LP40,376$1.67M1.28%−9,624−19.2%Reduced
Deutsche Bank AG38,323$1.59M0.00%+8,738+29.5%Added
Numerai GP LLC36,901$1.53M0.51%+36,901New
Jump Financial, LLC35,907$1.49M0.06%+26,195+269.7%Added
Kennedy Capital Management, Inc.35,010$1.45M0.04%−3,642−9.4%Reduced
Perkins Capital Management Inc33,350$1.38M1.30%00.0%Unchanged
Graham Capital Management, L.P.30,706$1.27M0.04%−2,125−6.5%Reduced
Balyasny Asset Management LLC28,811$1.19M0.00%+28,811New
Squarepoint Ops LLC28,500$1.18M0.01%+28,500New
Barclays PLC27,325$1.13M0.00%+12,105+79.5%Added
TownSquare Capital, LLC27,112$1.12M0.02%+7,705+39.7%Added