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Joel Greenblatt’s iRhythm Holdings IRTC Stock Holding History

Joel Greenblatt’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
-2,017
Closed -$358K – 1811
2025
Q4 		$358K Sell
2,017
-19,315
-91% -$3.42M ﹤0.01% 1521
2025
Q3 		$3.67M Buy
21,332
+13,356
+167% +$2.12M 0.02% 855
2025
Q2 		$1.23M Buy
+7,976
New +$1.03M 0.01% 1076
2023
Q2 		– Sell
-7,241
Closed -$898K – 1361
2023
Q1 		$898K Buy
+7,241
New +$785K 0.02% 786
2020
Q4 		– Sell
-6,143
Closed -$1.46M – 1050
2020
Q3 		$1.46M Buy
6,143
+4,379
+248% +$775K 0.05% 433
2020
Q2 		$204K Buy
+1,764
New +$194K 0.01% 963

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
RI
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

Joel Greenblatt's IRTC Position: Q1 2026 in Review

Joel Greenblatt sold out of iRhythm Holdings (IRTC) in Q1 2026, closing a stake of 2,017 shares — an estimated $358K sold.

Joel Greenblatt first reported a position in IRTC in Q2 2020 and held it in 6 quarters. The position peaked at $3.67M in Q3 2025. 304 funds tracked by Wall St. Rank hold IRTC as of Q1 2026.

  • Joel Greenblatt reported no remaining iRhythm Holdings position as of Q1 2026 after selling out during the quarter.
  • Joel Greenblatt sold 2,017 iRhythm Holdings shares in Q1 2026, an estimated $358K.
  • Joel Greenblatt first reported a position in iRhythm Holdings in Q2 2020 and held it in 6 quarters.
  • Joel Greenblatt's iRhythm Holdings position peaked at $3.67M in Q3 2025.
  • 304 funds tracked by Wall St. Rank held iRhythm Holdings as of Q1 2026.

Based on Gotham Asset Management's 13F filing for Q1 2026, filed 15 May 2026.