Tamarack Advisers’s AtriCure ATRC Stock Holding History

Tamarack 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
2023 Q4	–	Sell	-40,000	Closed	-$1.75M	–	3
2023 Q3	$1.75M	Sell	40,000 -45,000	-53%	-$2.2M	1.13%	16
2023 Q2	$4.2M	Buy	85,000 +44,624	+111%	+$2.06M	1.3%	18
2023 Q1	$1.67M	Sell	40,376 -9,624	-19%	-$399K	0.61%	26
2022 Q4	$2.22M	Sell	50,000 -17,500	-26%	-$731K	1.14%	26
2022 Q3	$2.64M	Sell	67,500 -32,500	-33%	-$1.49M	1.55%	22
2022 Q2	$4.09M	Buy	100,000 +35,000	+54%	+$1.66M	2.36%	18
2022 Q1	$4.27M	Sell	65,000 -35,000	-35%	-$2.27M	2.02%	23
2021 Q4	$6.95M	Sell	100,000 -17,000	-15%	-$1.24M	2.86%	13
2021 Q3	$8.14M	Sell	117,000 -33,000	-22%	-$2.54M	2.57%	18
2021 Q2	$11.9M	Sell	150,000 -50,000	-25%	-$3.63M	3.37%	11
2021 Q1	$13.1M	Sell	200,000 -166,400	-45%	-$10.2M	2.69%	16
2020 Q4	$19.6M	Buy	366,400 +16,400	+5%	+$709K	4.09%	10
2020 Q3	$14M	Buy	350,000 +125,000	+56%	+$5.3M	4.3%	9
2020 Q2	$10.1M	Sell	225,000 -375,000	-63%	-$16.3M	2.82%	18
2020 Q1	$20.2M	Sell	600,000 -260,000	-30%	-$9.35M	7.63%	3
2019 Q4	$27.9M	Buy	860,000 +10,000	+1%	+$285K	6.38%	4
2019 Q3	$21.2M	Buy	850,000 +175,000	+26%	+$5M	5.52%	7
2019 Q2	$21.2M	Buy	675,000 +250,000	+59%	+$7.3M	6.44%	6
2019 Q1	$11.4M	Sell	425,000 -175,000	-29%	-$5.32M	4.52%	9
2018 Q4	$18.4M	Buy	600,000 +325,000	+118%	+$10.1M	7.49%	5
2018 Q3	$9.63M	Buy	275,000 +15,000	+6%	+$475K	2.75%	15
2018 Q2	$7.03M	Buy	260,000 +59,000	+29%	+$1.39M	2.35%	16
2018 Q1	$4.13M	Buy	201,000 +26,000	+15%	+$470K	1.96%	18
2017 Q4	$3.19M	Buy	175,000 +75,000	+75%	+$1.49M	1.74%	18
2017 Q3	$2.24M	Buy	+100,000	New	+$2.26M	1.37%	18
2016 Q4	–	Sell	-135,000	Closed	-$2.1M	–	28
2016 Q3	$2.1M	Sell	135,000 -201,000	-60%	-$3.09M	0.66%	24
2016 Q2	$4.75M	Sell	336,000 -189,000	-36%	-$2.88M	1.82%	18
2016 Q1	$8.84M	Sell	525,000 -175,000	-25%	-$3.08M	3.09%	14
2015 Q4	$15.7M	Buy	+700,000	New	+$14.4M	2.07%	18

Other funds holding ATRC

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return

CIP

Champlain Investment Partners Burlington, Vermont $7.88B AUM 6.82% 1-Year Est. Return

Macquarie Group Sydney, NSW 2000, Australia $16.8B AUM 27.39% 1-Year Est. Return

FLAM

First Light Asset Management Edina, Minnesota $1.12B AUM 114.45% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

FAM

Fred Alger Management New York $22.8B AUM 64.63% 1-Year Est. Return

Tamarack Advisers's ATRC Position: Q4 2023 in Review

Tamarack Advisers sold out of AtriCure (ATRC) in Q4 2023, closing a stake of 40,000 shares — an estimated $1.75M sold.

Tamarack Advisers first reported a position in ATRC in Q4 2015 and held it in 29 quarters. The position peaked at $27.9M in Q4 2019. 233 funds tracked by Wall St. Rank hold ATRC as of Q4 2023.

Tamarack Advisers reported no remaining AtriCure position as of Q4 2023 after selling out during the quarter.
Tamarack Advisers sold 40,000 AtriCure shares in Q4 2023, an estimated $1.75M.
Tamarack Advisers first reported a position in AtriCure in Q4 2015 and held it in 29 quarters.
Tamarack Advisers's AtriCure position peaked at $27.9M in Q4 2019.
233 funds tracked by Wall St. Rank held AtriCure as of Q4 2023.

Based on Tamarack Advisers's 13F filing for Q4 2023, filed 9 Feb 2024.