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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 2024

Institutional positions in AtriCure, Inc. as of Mar 31, 2024. 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
224
−7 vs. Q4 2023
Shares held
49.7M
+2.52M (+5.3%) vs. Q4 2023
Total value
$1.51B
−$173.5M (−10.3%) vs. Q4 2023
New holders
33
84 more added
Sold out
40
81 more reduced

2 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2024: 224 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 2024: $1.51B
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 2024

Shares, value and share of portfolio for each institution holding AtriCure, Inc.; share changes are against Q4 2023.

Institutions holding ATRC in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
JPMorgan Chase & Co471,012$14.3M0.00%+114,779+32.2%Added
Fred Alger Management, LLC558,570$17.0M0.08%−595,488−51.6%Reduced
Bank of America Corp603,573$18.4M0.00%+241,781+66.8%Added
Wasatch Advisors Inc720,677$21.9M0.11%+200,799+38.6%Added
Neuberger Berman Group LLC787,973$24.0M0.02%+28,752+3.8%Added
GW&K Investment Management, LLC799,070$24.3M0.21%−6,039−0.8%Reduced
Loomis Sayles & Co L P808,425$24.6M0.03%−25,705−3.1%Reduced
TimesSquare Capital Management, LLC854,547$26.0M0.38%−121,563−12.5%Reduced
Fiera Capital Corp907,775$27.6M0.08%+25,949+2.9%Added
Marshall Wace, LLP961,359$29.2M0.05%+525,946+120.8%Added
Morgan Stanley969,893$29.5M0.00%+475,115+96.0%Added
Dimensional Fund Advisors LP980,439$29.8M0.01%−20,722−2.1%Reduced
Credit Suisse AG984,959$30.0M0.03%−5,422−0.5%Reduced
Geode Capital Management, LLC1,060,839$32.3M0.00%+28,315+2.7%Added
State Street Corp1,186,673$36.1M0.00%−17,742−1.5%Reduced
Nuveen Asset Management, LLC1,373,944$41.8M0.01%+351,266+34.3%Added
First Light Asset Management, LLC1,382,860$42.1M3.22%+33,417+2.5%Added
Macquarie Group Ltd1,413,225$43.0M0.05%−36,501−2.5%Reduced
Wellington Management Group LLP1,640,162$49.9M0.01%+310,705+23.4%Added
FMR LLC2,477,275$75.4M0.01%+2,401,389+3,164.5%Added
Champlain Investment Partners, LLC2,681,000$81.6M0.47%+575,605+27.3%Added
Alliancebernstein L.P.3,652,741$111.1M0.04%+258,705+7.6%Added
BlackRock Inc.4,231,058$128.7M0.00%+37,171+0.9%Added
Vanguard Group Inc4,752,985$144.6M0.00%−13,044−0.3%Reduced
Hood River Capital Management LLC0$00.00%−841,102−100.0%Sold out
Soleus Capital Management, L.P.0$00.00%−392,195−100.0%Sold out
Thornburg Investment Management Inc0$00.00%−103,215−100.0%Sold out
Oberweis Asset Management Inc0$00.00%−69,100−100.0%Sold out
State of New Jersey Common Pension Fund D0$00.00%−68,188−100.0%Sold out
Ameriprise Financial Inc0$00.00%−58,208−100.0%Sold out
Healthcare of Ontario Pension Plan Trust Fund0$00.00%−56,849−100.0%Sold out
Semanteon Capital Management, LP0$00.00%−32,305−100.0%Sold out
Tudor Investment Corp Et Al0$00.00%−27,247−100.0%Sold out
Point72 Middle East FZE0$00.00%−26,086−100.0%Sold out
Edgestream Partners, L.P.0$00.00%−24,178−100.0%Sold out
Campbell & CO Investment Adviser LLC0$00.00%−22,724−100.0%Sold out
Harbor Capital Advisors, Inc.0$00.00%−22,290−100.0%Sold out
STRS Ohio0$00.00%−21,200−100.0%Sold out
Susquehanna Portfolio Strategies, LLC0$00.00%−19,050−100.0%Sold out
Skandinaviska Enskilda Banken AB (publ)0$00.00%−17,500−100.0%Sold out
Prudential Financial Inc0$00.00%−16,930−100.0%Sold out
Acadian Asset Management LLC0$00.00%−15,235−100.0%Sold out
UBS Oconnor LLC0$00.00%−12,199−100.0%Sold out
Y-Intercept (Hong Kong) Ltd0$00.00%−11,078−100.0%Sold out
Entropy Technologies, LP0$00.00%−9,933−100.0%Sold out
XTX Topco Ltd0$00.00%−7,796−100.0%Sold out
MQS Management LLC0$00.00%−7,698−100.0%Sold out
Aigen Investment Management, LP0$00.00%−7,136−100.0%Sold out
Landscape Capital Management, L.L.C.0$00.00%−6,770−100.0%Sold out
Blair William & Co0$00.00%−6,246−100.0%Sold out
Victory Capital Management Inc0$00.00%−6,202−100.0%Sold out
CenterBook Partners LP0$00.00%−6,055−100.0%Sold out
Virtu Financial LLC0$00.00%−5,979−100.0%Sold out
Advisory Services Network, LLC0$00.00%−498−100.0%Sold out
Robeco Institutional Asset Management B.V.0$00.00%−457−100.0%Sold out
Johnson Financial Group, Inc.0$00.00%−317−100.0%Sold out
Hillsdale Investment Management Inc.0$00.00%−120−100.0%Sold out
Valley National Advisers Inc0$00.00%−65−100.0%Sold out
Private Wealth Management Group, LLC0$00.00%−33−100.0%Sold out
Lindbrook Capital, LLC0$00.00%−30−100.0%Sold out
AlphaMark Advisors, LLC0$00.00%−35−100.0%Sold out
Gradient Investments LLC0$00.00%−12−100.0%Sold out
Massmutual Trust Co FSB0$00.00%−10−100.0%Sold out
Bokf, NA0$00.00%−5−100.0%Sold out
Putnam Investments LLC––––Not filed
DFPG Investments, LLC––––Not filed