Two Sigma Advisers
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Two Sigma Advisers’s AtriCure ATRC Stock Holding History

Two Sigma Advisers’s Portfolio ATRC Stock Details ATRC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-277,700
Closed -$11M – 200
2025
Q4 		$11M Sell
277,700
-79,300
-22% -$2.91M 0.02% 511
2025
Q3 		$12.6M Sell
357,000
-94,100
-21% -$3.24M 0.03% 441
2025
Q2 		$14.8M Sell
451,100
-207,200
-31% -$6.73M 0.03% 404
2025
Q1 		$21.2M Buy
658,300
+18,900
+3% +$702K 0.05% 321
2024
Q4 		$19.5M Sell
639,400
-24,700
-4% -$794K 0.05% 324
2024
Q3 		$18.6M Buy
664,100
+84,700
+15% +$2.09M 0.04% 335
2024
Q2 		$13.2M Buy
579,400
+388,400
+203% +$8.96M 0.03% 455
2024
Q1 		$5.81M Buy
191,000
+8,600
+5% +$288K 0.01% 720
2023
Q4 		$6.51M Sell
182,400
-57,000
-24% -$2.12M 0.02% 698
2023
Q3 		$10.5M Sell
239,400
-6,000
-2% -$293K 0.03% 454
2023
Q2 		$12.1M Sell
245,400
-11,000
-4% -$507K 0.03% 433
2023
Q1 		$10.6M Buy
256,400
+166,600
+186% +$6.91M 0.03% 536
2022
Q4 		$3.99M Buy
89,800
+35,800
+66% +$1.5M 0.01% 872
2022
Q3 		$2.11M Buy
54,000
+32,300
+149% +$1.48M 0.01% 1146
2022
Q2 		$887K Buy
+21,700
New +$1.03M ﹤0.01% 1654
2022
Q1 		– Sell
-7,000
Closed -$487K – 2732
2021
Q4 		$487K Sell
7,000
-60,500
-90% -$4.4M ﹤0.01% 1924
2021
Q3 		$4.7M Buy
67,500
+42,000
+165% +$3.23M 0.01% 814
2021
Q2 		$2.02M Buy
+25,500
New +$1.85M 0.01% 1293
2020
Q3 		– Sell
-101,800
Closed -$4.58M – 2395
2020
Q2 		$4.58M Sell
101,800
-2,300
-2% -$100K 0.01% 833
2020
Q1 		$3.5M Buy
104,100
+15,000
+17% +$539K 0.01% 856
2019
Q4 		$2.9M Sell
89,100
-44,600
-33% -$1.27M 0.01% 1064
2019
Q3 		$3.33M Sell
133,700
-25,900
-16% -$739K 0.01% 911
2019
Q2 		$4.76M Buy
159,600
+63,400
+66% +$1.85M 0.01% 846
2019
Q1 		$2.58M Sell
96,200
-600
-0.6% -$18.2K 0.01% 1105
2018
Q4 		$2.96M Sell
96,800
-4,800
-5% -$150K 0.01% 1007
2018
Q3 		$3.56M Sell
101,600
-9,200
-8% -$291K 0.01% 964
2018
Q2 		$3M Buy
110,800
+1,600
+1% +$37.6K 0.01% 1102
2018
Q1 		$2.24M Buy
109,200
+1,000
+0.9% +$18.1K 0.01% 1200
2017
Q4 		$1.97M Sell
108,200
-6,200
-5% -$123K 0.01% 1252
2017
Q3 		$2.56M Buy
114,400
+27,100
+31% +$613K 0.01% 1092
2017
Q2 		$2.12M Buy
87,300
+2,700
+3% +$57.4K 0.01% 1177
2017
Q1 		$1.62M Buy
84,600
+11,500
+16% +$201K 0.01% 1363
2016
Q4 		$1.43M Sell
73,100
-5,500
-7% -$99.7K 0.01% 1355
2016
Q3 		$1.24M Sell
78,600
-7,200
-8% -$111K 0.01% 1243
2016
Q2 		$1.21M Buy
85,800
+69,600
+430% +$1.06M 0.01% 1078
2016
Q1 		$273K Sell
16,200
-200
-1% -$3.52K ﹤0.01% 1718
2015
Q4 		$368K Sell
16,400
-800
-5% -$16.5K ﹤0.01% 1443
2015
Q3 		$377K Buy
+17,200
New +$430K ﹤0.01% 1400

Other funds holding ATRC

AllianceBernstein
AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
HRCM
Hood River Capital Management Palm Beach Gardens, Florida $9.98B AUM 145.42% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
NAMI
Nomura Asset Management International Philadelphia, Pennsylvania $58.4B AUM
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Two Sigma Advisers's ATRC Position: Q1 2026 in Review

Two Sigma Advisers sold out of AtriCure (ATRC) in Q1 2026, closing a stake of 277,700 shares — an estimated $11M sold.

Two Sigma Advisers first reported a position in ATRC in Q3 2015 and held it in 38 quarters. The position peaked at $21.2M in Q1 2025. 223 funds tracked by Wall St. Rank hold ATRC as of Q1 2026.

  • Two Sigma Advisers reported no remaining AtriCure position as of Q1 2026 after selling out during the quarter.
  • Two Sigma Advisers sold 277,700 AtriCure shares in Q1 2026, an estimated $11M.
  • Two Sigma Advisers first reported a position in AtriCure in Q3 2015 and held it in 38 quarters.
  • Two Sigma Advisers's AtriCure position peaked at $21.2M in Q1 2025.
  • 223 funds tracked by Wall St. Rank held AtriCure as of Q1 2026.

Based on Two Sigma Advisers's 13F filing for Q1 2026.