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Parkman Healthcare Partners’s iRhythm Holdings IRTC Stock Holding History

Parkman Healthcare Partners’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 		$4.74M Buy
+40,125
New +$5.79M 0.49% 58
2022
Q4 		– Sell
-25,458
Closed -$3.19M – 89
2022
Q3 		$3.19M Sell
25,458
-48,543
-66% -$7.01M 0.91% 41
2022
Q2 		$7.99M Sell
74,001
-29,980
-29% -$3.97M 2.94% 10
2022
Q1 		$16.4M Buy
103,981
+42,001
+68% +$5.39M 4.79% 1
2021
Q4 		$7.29M Buy
61,980
+29,480
+91% +$2.7M 1.61% 24
2021
Q3 		$1.9M Buy
+32,500
New +$1.72M 0.48% 55

Other funds holding IRTC

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
RI
RTW Investments New York $10B AUM 135.35% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Artisan Partners
Artisan Partners Milwaukee, Wisconsin $62.3B AUM 26.25% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Holocene Advisors
Holocene Advisors New York $41.5B AUM 42.97% 1-Year Est. Return
UBS AM
UBS AM Chicago, Illinois $481B AUM 26.39% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Parkman Healthcare Partners's IRTC Position: Q1 2026 in Review

Parkman Healthcare Partners opened a new position in iRhythm Holdings (IRTC) in Q1 2026: 40,125 shares worth $4.74M. The stake represents 0.49% of the portfolio and ranks #58 among its holdings. This is a return to the name: Parkman Healthcare Partners previously reported a position in IRTC as recently as Q3 2022.

Parkman Healthcare Partners first reported a position in IRTC in Q3 2021 and has held it in 6 quarters since. The position peaked at $16.4M in Q1 2022. 304 funds tracked by Wall St. Rank hold IRTC as of Q1 2026.

  • Parkman Healthcare Partners held 40,125 shares of iRhythm Holdings worth $4.74M as of Q1 2026.
  • iRhythm Holdings was a new Parkman Healthcare Partners position in Q1 2026.
  • iRhythm Holdings made up 0.49% of Parkman Healthcare Partners's portfolio in Q1 2026, its #58 holding.
  • Parkman Healthcare Partners first reported a position in iRhythm Holdings in Q3 2021 and has held it in 6 quarters since.
  • Parkman Healthcare Partners's iRhythm Holdings position peaked at $16.4M in Q1 2022.
  • 304 funds tracked by Wall St. Rank held iRhythm Holdings as of Q1 2026.

Based on Parkman Healthcare Partners's 13F filing for Q1 2026, filed 15 May 2026.