Nomura Holdings
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Nomura Holdings’s iRhythm Holdings IRTC Stock Holding History

Nomura Holdings’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
Q3 		– Sell
-5,800
Closed -$893K – 1973
2025
Q2 		$893K Buy
+5,800
New +$750K ﹤0.01% 1030
2022
Q4 		– Sell
-40,000
Closed -$5.03M – 1594
2022
Q3 		$5.03M Buy
+40,000
New +$5.78M 0.02% 557

Other funds holding IRTC

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Sands Capital Management
Sands Capital Management Arlington, Virginia $25.5B AUM 26.46% 1-Year Est. Return
Artisan Partners
Artisan Partners Milwaukee, Wisconsin $62.3B AUM 26.25% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
RI
RTW Investments New York $10B AUM 135.35% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
UBS AM
UBS AM Chicago, Illinois $481B AUM 26.39% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Nomura Holdings's IRTC Position: Q4 2025 in Review

Nomura Holdings sold out of iRhythm Holdings (IRTC) in Q4 2025, closing a stake of 3,302 shares — an estimated $568K sold.

Nomura Holdings first reported a position in IRTC in Q1 2021 and held it in 8 quarters. The position peaked at $4.43M in Q3 2022. 334 funds tracked by Wall St. Rank hold IRTC as of Q4 2025.

  • Nomura Holdings reported no remaining iRhythm Holdings position as of Q4 2025 after selling out during the quarter.
  • Nomura Holdings sold 3,302 iRhythm Holdings shares in Q4 2025, an estimated $568K.
  • Nomura Holdings first reported a position in iRhythm Holdings in Q1 2021 and held it in 8 quarters.
  • Nomura Holdings's iRhythm Holdings position peaked at $4.43M in Q3 2022.
  • 334 funds tracked by Wall St. Rank held iRhythm Holdings as of Q4 2025.

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