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Susquehanna Fundamental Investments’s iRhythm Holdings IRTC Stock Holding History

Susquehanna Fundamental Investments’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
-27,893
Closed -$4.8M – 636
2025
Q3 		$4.8M Sell
27,893
-13,971
-33% -$2.22M 0.19% 135
2025
Q2 		$6.45M Sell
41,864
-550
-1% -$71.1K 0.17% 166
2025
Q1 		$4.44M Buy
42,414
+550
+1% +$58.3K 0.06% 346
2024
Q4 		$3.77M Buy
+41,864
New +$3.29M 0.05% 385
2021
Q1 		– Sell
-2,893
Closed -$686K – 1574
2020
Q4 		$686K Buy
+2,893
New +$659K 0.01% 984

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

Susquehanna Fundamental Investments's IRTC Position: Q4 2025 in Review

Susquehanna Fundamental Investments sold out of iRhythm Holdings (IRTC) in Q4 2025, closing a stake of 27,893 shares — an estimated $4.8M sold.

Susquehanna Fundamental Investments first reported a position in IRTC in Q4 2020 and held it in 5 quarters. The position peaked at $6.45M in Q2 2025. 334 funds tracked by Wall St. Rank hold IRTC as of Q4 2025.

  • Susquehanna Fundamental Investments reported no remaining iRhythm Holdings position as of Q4 2025 after selling out during the quarter.
  • Susquehanna Fundamental Investments sold 27,893 iRhythm Holdings shares in Q4 2025, an estimated $4.8M.
  • Susquehanna Fundamental Investments first reported a position in iRhythm Holdings in Q4 2020 and held it in 5 quarters.
  • Susquehanna Fundamental Investments's iRhythm Holdings position peaked at $6.45M in Q2 2025.
  • 334 funds tracked by Wall St. Rank held iRhythm Holdings as of Q4 2025.

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