DFCM
IRTC icon

Dark Forest Capital Management’s iRhythm Holdings IRTC Stock Holding History

Dark Forest 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
Q1 		– Sell
-8,548
Closed -$1.52M – 964
2025
Q4 		$1.52M Buy
8,548
+5,715
+202% +$1.01M 0.07% 503
2025
Q3 		$487K Buy
+2,833
New +$450K 0.02% 935
2023
Q4 		– Sell
-7,072
Closed -$667K – 782
2023
Q3 		$667K Sell
7,072
-1,598
-18% -$162K 0.05% 595
2023
Q2 		$904K Buy
+8,670
New +$1.04M 0.08% 336
2022
Q4 		– Sell
-2,714
Closed -$340K – 1312
2022
Q3 		$340K Buy
2,714
+2,712
+135,600% +$392K 0.06% 311
2022
Q2 		$0 Buy
+2
New +$265 ﹤0.01% 1118

Other funds holding IRTC

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
RTW Investments
RTW Investments New York $11.7B AUM 174.13% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
Artisan Partners
Artisan Partners Milwaukee, Wisconsin $63.1B AUM 35.51% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Holocene Advisors
Holocene Advisors New York $44.4B AUM 57.89% 1-Year Est. Return
UBS AM
UBS AM Chicago, Illinois $550B AUM 43.33% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Dark Forest Capital Management's IRTC Position: Q1 2026 in Review

Dark Forest Capital Management sold out of iRhythm Holdings (IRTC) in Q1 2026, closing a stake of 8,548 shares — an estimated $1.52M sold.

Dark Forest Capital Management first reported a position in IRTC in Q2 2022 and held it in 6 quarters. The position peaked at $1.52M in Q4 2025. 305 funds tracked by Wall St. Rank hold IRTC as of Q1 2026.

  • Dark Forest Capital Management reported no remaining iRhythm Holdings position as of Q1 2026 after selling out during the quarter.
  • Dark Forest Capital Management sold 8,548 iRhythm Holdings shares in Q1 2026, an estimated $1.52M.
  • Dark Forest Capital Management first reported a position in iRhythm Holdings in Q2 2022 and held it in 6 quarters.
  • Dark Forest Capital Management's iRhythm Holdings position peaked at $1.52M in Q4 2025.
  • 305 funds tracked by Wall St. Rank held iRhythm Holdings as of Q1 2026.

Based on Dark Forest Capital Management's 13F filing for Q1 2026, filed 15 May 2026.