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PFM Health Sciences’s iRhythm Holdings IRTC Stock Holding History

PFM Health Sciences’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
-64,998
Closed -$11.2M – 91
2025
Q3 		$11.2M Sell
64,998
-23,159
-26% -$3.68M 0.86% 39
2025
Q2 		$13.6M Buy
+88,157
New +$11.4M 1.16% 29
2023
Q4 		– Sell
-485,468
Closed -$45.8M – 72
2023
Q3 		$45.8M Hold
485,468
– – 2.16% 17
2023
Q2 		$50.6M Hold
485,468
– – 1.97% 17
2023
Q1 		$60.2M Sell
485,468
-8,253
-2% -$895K 2.66% 7
2022
Q4 		$46.2M Hold
493,721
– – 1.66% 23
2022
Q3 		$61.9M Hold
493,721
– – 2.24% 12
2022
Q2 		$53.3M Hold
493,721
– – 2.03% 14
2022
Q1 		$77.7M Sell
493,721
-30,261
-6% -$3.89M 2.91% 10
2021
Q4 		$61.7M Buy
+523,982
New +$48.1M 2.1% 13
2021
Q1 		– Sell
-171,028
Closed -$40.6M – 100
2020
Q4 		$40.6M Buy
171,028
+4,020
+2% +$916K 1.43% 27
2020
Q3 		$39.8M Sell
167,008
-81,550
-33% -$14.4M 1.84% 18
2020
Q2 		$28.8M Buy
248,558
+15,149
+6% +$1.67M 1.49% 26
2020
Q1 		$19M Sell
233,409
-224,832
-49% -$18.6M 1.56% 26
2019
Q4 		$31.2M Sell
458,241
-622,818
-58% -$42.3M 1.49% 25
2019
Q3 		$80.1M Buy
1,081,059
+398,096
+58% +$30.8M 2.37% 9
2019
Q2 		$54M Buy
682,963
+140,930
+26% +$10.3M 1.03% 33
2019
Q1 		$40.6M Buy
542,033
+126,214
+30% +$10.8M 0.9% 38
2018
Q4 		$28.9M Buy
415,819
+179,878
+76% +$13.6M 0.77% 52
2018
Q3 		$22.3M Sell
235,941
-254,489
-52% -$22.2M 0.33% 87
2018
Q2 		$39.8M Buy
+490,430
New +$34.3M 0.62% 65

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

PFM Health Sciences's IRTC Position: Q4 2025 in Review

PFM Health Sciences sold out of iRhythm Holdings (IRTC) in Q4 2025, closing a stake of 64,998 shares — an estimated $11.2M sold.

PFM Health Sciences first reported a position in IRTC in Q2 2018 and held it in 21 quarters. The position peaked at $80.1M in Q3 2019. 334 funds tracked by Wall St. Rank hold IRTC as of Q4 2025.

  • PFM Health Sciences reported no remaining iRhythm Holdings position as of Q4 2025 after selling out during the quarter.
  • PFM Health Sciences sold 64,998 iRhythm Holdings shares in Q4 2025, an estimated $11.2M.
  • PFM Health Sciences first reported a position in iRhythm Holdings in Q2 2018 and held it in 21 quarters.
  • PFM Health Sciences's iRhythm Holdings position peaked at $80.1M in Q3 2019.
  • 334 funds tracked by Wall St. Rank held iRhythm Holdings as of Q4 2025.

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