Polar Asset Management Partners’s iRhythm Holdings IRTC Stock Holding History

Polar Asset Management Partners’s Portfolio IRTC Stock Details IRTC Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q1	–	Sell	-11,000	Closed	-$992K	–	641
2024 Q4	$992K	Sell	11,000 -82,300	-88%	-$6.47M	0.01%	438
2024 Q3	$6.93M	Buy	93,300 +20,700	+29%	+$1.65M	0.15%	151
2024 Q2	$7.81M	Buy	72,600 +41,800	+136%	+$4.27M	0.16%	132
2024 Q1	$3.57M	Buy	+30,800	New	+$3.46M	0.06%	264
2022 Q3	–	Sell	-123,000	Closed	-$13.3M	–	1442
2022 Q2	$13.3M	Sell	123,000 -32,600	-21%	-$4.32M	0.15%	187
2022 Q1	$24.5M	Buy	155,600 +27,200	+21%	+$3.49M	0.26%	63
2021 Q4	$15.1M	Buy	128,400 +44,700	+53%	+$4.1M	0.16%	145
2021 Q3	$4.9M	Buy	+83,700	New	+$4.44M	0.05%	397

Other funds holding IRTC

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

Sands Capital Management Arlington, Virginia $25.5B AUM 26.46% 1-Year Est. Return

Artisan Partners Milwaukee, Wisconsin $62.3B AUM 26.25% 1-Year Est. Return

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

Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return

Mackenzie Financial Toronto Ontario, Ontario, Canada $83.3B AUM 31.19% 1-Year Est. Return

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

UBS AM Chicago, Illinois $481B AUM 26.39% 1-Year Est. Return

BNP Paribas Asset Management Paris, France $86.1B AUM 29.11% 1-Year Est. Return

CIP

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

Polar Asset Management Partners's IRTC Position: Q1 2025 in Review

Polar Asset Management Partners sold out of iRhythm Holdings (IRTC) in Q1 2025, closing a stake of 11,000 shares — an estimated $992K sold.

Polar Asset Management Partners first reported a position in IRTC in Q3 2021 and held it in 8 quarters. The position peaked at $24.5M in Q1 2022. 256 funds tracked by Wall St. Rank hold IRTC as of Q1 2025.

Polar Asset Management Partners reported no remaining iRhythm Holdings position as of Q1 2025 after selling out during the quarter.
Polar Asset Management Partners sold 11,000 iRhythm Holdings shares in Q1 2025, an estimated $992K.
Polar Asset Management Partners first reported a position in iRhythm Holdings in Q3 2021 and held it in 8 quarters.
Polar Asset Management Partners's iRhythm Holdings position peaked at $24.5M in Q1 2022.
256 funds tracked by Wall St. Rank held iRhythm Holdings as of Q1 2025.

Based on Polar Asset Management Partners's 13F filing for Q1 2025, filed 15 May 2025.