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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, Q3 2023

Institutional positions in AtriCure, Inc. as of Sep 30, 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
231
+9 vs. Q2 2023
Shares held
45.4M
+309.8K (+0.7%) vs. Q2 2023
Total value
$1.99B
−$232.4M (−10.5%) vs. Q2 2023
New holders
28
93 more added
Sold out
19
79 more reduced

2 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2023: 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 holdersQ3 2023: 231 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 heldQ3 2023: $1.99B
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, Q3 2023

Shares, value and share of portfolio for each institution holding AtriCure, Inc.; share changes are against Q2 2023.

Institutions holding ATRC in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc4,689,883$205.4M0.01%+43,431+0.9%Added
BlackRock Inc.3,958,642$173.4M0.00%+43,850+1.1%Added
Alliancebernstein L.P.3,227,209$141.4M0.06%+17,220+0.5%Added
Champlain Investment Partners, LLC1,851,540$81.1M0.53%+41,155+2.3%Added
First Light Asset Management, LLC1,489,407$65.2M6.20%+27,772+1.9%Added
Macquarie Group Ltd1,458,501$63.9M0.08%+58,851+4.2%Added
Fred Alger Management, LLC1,435,814$62.9M0.36%−29,564−2.0%Reduced
Wellington Management Group LLP1,233,633$54.0M0.01%−58,193−4.5%Reduced
State Street Corp1,147,519$50.3M0.00%−15,434−1.3%Reduced
Invesco Ltd.1,034,471$45.3M0.01%−170,999−14.2%Reduced
Credit Suisse AG1,030,323$45.1M0.05%−102,594−9.1%Reduced
Nuveen Asset Management, LLC1,019,070$44.6M0.02%+37,905+3.9%Added
Dimensional Fund Advisors LP991,985$43.4M0.01%+78,353+8.6%Added
Geode Capital Management, LLC986,407$43.2M0.01%+37,485+4.0%Added
TimesSquare Capital Management, LLC904,835$39.6M0.62%+254,655+39.2%Added
GW&K Investment Management, LLC866,527$38.0M0.38%+5,005+0.6%Added
Loomis Sayles & Co L P860,538$37.7M0.06%−26,861−3.0%Reduced
Hood River Capital Management LLC847,342$37.1M1.19%+847,342New
Neuberger Berman Group LLC764,017$33.5M0.03%+3,276+0.4%Added
Bellevue Group AG747,560$32.7M0.53%−1,053−0.1%Reduced
Fiera Capital Corp688,057$30.1M0.10%+14,624+2.2%Added
Northern Trust Corp613,844$26.9M0.01%+1,333+0.2%Added
Wasatch Advisors Inc563,288$24.7M0.16%−44,844−7.4%Reduced
Millennium Management LLC515,365$22.6M0.02%−868,407−62.8%Reduced
Emerald Advisers, LLC498,972$21.9M1.06%+30.0%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.495,473$21.7M0.07%+14,199+3.0%Added
Price T Rowe Associates Inc434,483$19.0M0.00%−1,170−0.3%Reduced
Emerald Mutual Fund Advisers Trust411,400$18.0M1.09%00.0%Unchanged
Bank of America Corp400,818$17.6M0.00%+3,198+0.8%Added
Granite Investment Partners, LLC395,810$17.3M0.73%+860+0.2%Added
Marshall Wace, LLP368,661$16.1M0.03%−16,274−4.2%Reduced
Charles Schwab Investment Management Inc362,986$15.9M0.00%+11,779+3.4%Added
JPMorgan Chase & Co322,010$14.1M0.00%−20,977−6.1%Reduced
Next Century Growth Investors LLC313,724$13.7M1.49%+313,724New
Soleus Capital Management, L.P.306,000$13.4M1.35%+306,000New
Bank of New York Mellon Corp289,572$12.7M0.00%−678−0.2%Reduced
UBS Asset Management Americas Inc276,115$12.1M0.01%−5,039−1.8%Reduced
Norges Bank273,632$12.0M0.00%−30,979−10.2%Reduced
Morgan Stanley252,699$11.1M0.00%+8,755+3.6%Added
Goldman Sachs Group Inc242,058$10.6M0.00%−19,846−7.6%Reduced
Two Sigma Advisers, LP239,400$10.5M0.03%−6,000−2.4%Reduced
Sectoral Asset Management Inc236,532$10.4M2.02%−3,000−1.3%Reduced
New York State Common Retirement Fund227,621$9.97M0.01%+131+0.1%Added
Two Sigma Investments, LP217,331$9.52M0.03%+16,810+8.4%Added
WCM Investment Management, LLC205,596$9.01M0.03%+3,528+1.7%Added
Silvercrest Asset Management Group LLC202,750$8.88M0.07%−48,636−19.3%Reduced
Assenagon Asset Management S.A.202,408$8.87M0.03%−208,929−50.8%Reduced
Amundi208,758$7.64M0.00%+12,963+6.6%Added
Prudential Financial Inc173,819$7.61M0.01%+73,301+72.9%Added
Panagora Asset Management Inc166,118$7.28M0.05%+96,954+140.2%Added
Nicholas Company, Inc.147,625$6.47M0.13%+200.0%Added
Renaissance Technologies LLC141,400$6.19M0.01%+44,600+46.1%Added
DAFNA Capital Management LLC125,529$5.50M1.71%00.0%Unchanged
Envestnet Asset Management Inc116,990$5.12M0.00%+65,653+127.9%Added
Wells Fargo & Company115,407$5.05M0.00%−9,596−7.7%Reduced
Thornburg Investment Management Inc114,033$5.00M0.08%−2,984−2.6%Reduced
State of Wisconsin Investment Board113,482$4.97M0.02%−779−0.7%Reduced
Swiss National Bank103,800$4.55M0.00%+700+0.7%Added
FMR LLC102,429$4.49M0.00%+41,994+69.5%Added
Qube Research & Technologies Ltd101,197$4.43M0.01%+19,356+23.7%Added
Royce & Associates LP97,682$4.28M0.04%00.0%Unchanged
Citadel Advisors LLC95,598$4.19M0.00%−215,589−69.3%Reduced
Tudor Investment Corp Et Al87,617$3.84M0.06%+87,617New
SEI Investments Co87,487$3.83M0.01%+18,696+27.2%Added
Paradigm Capital Management Inc87,200$3.82M0.22%00.0%Unchanged
Kennedy Capital Management, Inc.87,079$3.81M0.09%+13,771+18.8%Added
Royal Bank of Canada86,087$3.77M0.00%+6,573+8.3%Added
Cubist Systematic Strategies, LLC82,879$3.63M0.04%−51,798−38.5%Reduced
Eagle Asset Management Inc81,300$3.56M0.02%+593+0.7%Added
BNP Paribas Arbitrage, SA78,454$3.44M0.01%+50,437+180.0%Added
Squarepoint Ops LLC74,142$3.25M0.02%+39,077+111.4%Added
D. E. Shaw & Co., Inc.71,750$3.14M0.01%−80,249−52.8%Reduced
Brinker Capital Investments, LLC71,154$3.12M0.04%−3,808−5.1%Reduced
Orion Portfolio Solutions, LLC71,154$3.12M0.04%−3,808−5.1%Reduced
Great Lakes Advisors, LLC70,837$3.10M0.03%−3,905−5.2%Reduced
Rhumbline Advisers69,181$3.03M0.00%−2,912−4.0%Reduced
Advisors Capital Management, LLC57,223$2.51M0.06%+357+0.6%Added
Man Group plc–$2.34M0.01%––
Essex Investment Management Co LLC52,907$2.32M0.38%−372−0.7%Reduced
First Trust Advisors LP52,794$2.31M0.00%+45,434+617.3%Added
California State Teachers Retirement System52,054$2.28M0.00%−5,145−9.0%Reduced
State of New Jersey Common Pension Fund D52,020$2.28M0.01%00.0%Unchanged
Voloridge Investment Management, LLC51,499$2.26M0.01%−4,536−8.1%Reduced
Engineers Gate Manager LP50,116$2.20M0.08%+3,392+7.3%Added
UBS Oconnor LLC49,293$2.16M0.04%+9,000+22.3%Added
Millrace Asset Group, Inc.48,730$2.13M2.64%−6,629−12.0%Reduced
STRS Ohio48,500$2.12M0.01%+28,700+144.9%Added
Oberweis Asset Management Inc47,300$2.07M0.22%+47,300New
Sit Investment Associates Inc46,725$2.05M0.06%00.0%Unchanged
Knights of Columbus Asset Advisors LLC46,485$2.04M0.19%+46,485New
Decheng Capital Management III (Cayman), LLC46,259$2.03M0.68%00.0%Unchanged
Legal & General Group Plc44,966$1.97M0.00%+83+0.2%Added
Jump Financial, LLC44,149$1.93M0.07%+10,024+29.4%Added
Algert Global LLC40,170$1.76M0.08%+1,090+2.8%Added
Tamarack Advisers, LP40,000$1.75M3.49%−45,000−52.9%Reduced
ExodusPoint Capital Management, LP35,116$1.54M0.02%−729−2.0%Reduced
UBS Group AG32,194$1.41M0.00%−1,122−3.4%Reduced
Trexquant Investment LP32,167$1.41M0.04%+4,093+14.6%Added
Perkins Capital Management Inc29,350$1.29M1.27%−1,000−3.3%Reduced
Twinbeech Capital LP28,877$1.26M0.02%+6,511+29.1%Added