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Rhenman & Partners Asset Management’s iRhythm Holdings IRTC Stock Holding History

Rhenman & Partners Asset 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
-7,000
Closed -$1.24M – 95
2025
Q4 		$1.24M Hold
7,000
– – 0.12% 93
2025
Q3 		$1.2M Buy
+7,000
New +$1.11M 0.13% 89

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

Rhenman & Partners Asset Management's IRTC Position: Q1 2026 in Review

Rhenman & Partners Asset Management sold out of iRhythm Holdings (IRTC) in Q1 2026, closing a stake of 7,000 shares — an estimated $1.24M sold.

Rhenman & Partners Asset Management first reported a position in IRTC in Q3 2025 and held it in 2 quarters. The position peaked at $1.24M in Q4 2025. 305 funds tracked by Wall St. Rank hold IRTC as of Q1 2026.

  • Rhenman & Partners Asset Management reported no remaining iRhythm Holdings position as of Q1 2026 after selling out during the quarter.
  • Rhenman & Partners Asset Management sold 7,000 iRhythm Holdings shares in Q1 2026, an estimated $1.24M.
  • Rhenman & Partners Asset Management first reported a position in iRhythm Holdings in Q3 2025 and held it in 2 quarters.
  • Rhenman & Partners Asset Management's iRhythm Holdings position peaked at $1.24M in Q4 2025.
  • 305 funds tracked by Wall St. Rank held iRhythm Holdings as of Q1 2026.

Based on Rhenman & Partners Asset Management's 13F filing for Q1 2026, filed 14 May 2026.