Numerai’s iRhythm Holdings IRTC Stock Holding History

Numerai’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 Q4	–	Sell	-9,225	Closed	-$1.59M	–	682
2025 Q3	$1.59M	Sell	9,225 -532	-5%	-$84.6K	0.22%	138
2025 Q2	$1.5M	Buy	+9,757	New	+$1.26M	0.22%	137

Other funds holding IRTC

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

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

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

RTW Investments New York $10B AUM 135.35% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

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

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

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

Numerai's IRTC Position: Q4 2025 in Review

Numerai sold out of iRhythm Holdings (IRTC) in Q4 2025, closing a stake of 9,225 shares — an estimated $1.59M sold.

Numerai first reported a position in IRTC in Q2 2025 and held it in 2 quarters. The position peaked at $1.59M in Q3 2025. 334 funds tracked by Wall St. Rank hold IRTC as of Q4 2025.

Numerai reported no remaining iRhythm Holdings position as of Q4 2025 after selling out during the quarter.
Numerai sold 9,225 iRhythm Holdings shares in Q4 2025, an estimated $1.59M.
Numerai first reported a position in iRhythm Holdings in Q2 2025 and held it in 2 quarters.
Numerai's iRhythm Holdings position peaked at $1.59M in Q3 2025.
334 funds tracked by Wall St. Rank held iRhythm Holdings as of Q4 2025.

Based on Numerai's 13F filing for Q4 2025, filed 17 Feb 2026.