Cinctive Capital Management’s iRhythm Holdings IRTC Stock Holding History

Cinctive Capital Management’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
2026 Q2	$888K	Sell	7,467 -490	-6%	-$57K	0.03%	332
2026 Q1	$939K	Buy	7,957 +2,983	+60%	+$430K	0.06%	259
2025 Q4	$883K	Sell	4,974 -23,070	-82%	-$4.09M	0.05%	295
2025 Q3	$4.82M	Buy	+28,044	New	+$4.46M	0.23%	147
2025 Q2	–	Sell	-37,260	Closed	-$3.9M	–	436
2025 Q1	$3.9M	Buy	37,260 +29,119	+358%	+$3.08M	0.3%	106
2024 Q4	$734K	Buy	+8,141	New	+$640K	0.04%	297
2023 Q4	–	Sell	-7,923	Closed	-$747K	–	441
2023 Q3	$747K	Sell	7,923 -34,130	-81%	-$3.47M	0.04%	289
2023 Q2	$4.39M	Sell	42,053 -25,561	-38%	-$3.07M	0.15%	209
2023 Q1	$8.39M	Buy	+67,614	New	+$7.33M	0.28%	120
2022 Q3	–	Sell	-25,188	Closed	-$2.72M	–	534
2022 Q2	$2.72M	Sell	25,188 -5,412	-18%	-$717K	0.11%	270
2022 Q1	$4.82M	Buy	30,600 +16,600	+119%	+$2.13M	0.18%	185
2021 Q4	$1.65M	Sell	14,000 -2,000	-13%	-$183K	0.07%	333
2021 Q3	$937K	Buy	+16,000	New	+$848K	0.05%	412

Other funds holding IRTC

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

RTW Investments New York $11.7B AUM 174.13% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Artisan Partners Milwaukee, Wisconsin $63.1B AUM 35.51% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Millennium Management New York $276B AUM 44.8% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

UBS AM Chicago, Illinois $550B AUM 43.33% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

EAM

Eventide Asset Management Boston, Massachusetts $7.48B AUM 104.76% 1-Year Est. Return

Cinctive Capital Management's IRTC Position: Q2 2026 in Review

Cinctive Capital Management reduced its iRhythm Holdings (IRTC) stake by 6.2% in Q2 2026, selling an estimated $57K and leaving 7,467 shares worth $888K. The position accounts for 0.03% of the portfolio, ranked #332.

Cinctive Capital Management first reported a position in IRTC in Q3 2021 and has held it in 13 quarters since. The position peaked at $8.39M in Q1 2023. 304 funds tracked by Wall St. Rank hold IRTC as of Q2 2026.

Cinctive Capital Management held 7,467 shares of iRhythm Holdings worth $888K as of Q2 2026.
Cinctive Capital Management sold 490 iRhythm Holdings shares in Q2 2026, an estimated $57K.
iRhythm Holdings made up 0.03% of Cinctive Capital Management's portfolio in Q2 2026, its #332 holding.
Cinctive Capital Management first reported a position in iRhythm Holdings in Q3 2021 and has held it in 13 quarters since.
Cinctive Capital Management's iRhythm Holdings position peaked at $8.39M in Q1 2023.
304 funds tracked by Wall St. Rank held iRhythm Holdings as of Q2 2026.

Based on Cinctive Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.