Voloridge Investment Management
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Voloridge Investment Management’s iRhythm Holdings IRTC Stock Holding History

Voloridge Investment 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
2025
Q4 		– Sell
-19,142
Closed -$3.29M – 1250
2025
Q3 		$3.29M Buy
+19,142
New +$3.04M 0.01% 832
2023
Q1 		– Sell
-12,990
Closed -$1.22M – 1476
2022
Q4 		$1.22M Buy
+12,990
New +$1.41M 0.01% 1088
2022
Q3 		– Sell
-91,063
Closed -$9.84M – 1506
2022
Q2 		$9.84M Sell
91,063
-27,530
-23% -$3.65M 0.05% 447
2022
Q1 		$18.7M Buy
118,593
+1,613
+1% +$207K 0.11% 266
2021
Q4 		$13.8M Sell
116,980
-117,688
-50% -$10.8M 0.08% 377
2021
Q3 		$13.7M Sell
234,668
-53,937
-19% -$2.86M 0.09% 314
2021
Q2 		$19.1M Buy
288,605
+92,616
+47% +$7.34M 0.13% 196
2021
Q1 		$27.2M Buy
195,989
+138,791
+243% +$24.9M 0.2% 133
2020
Q4 		$13.6M Buy
57,198
+397
+0.7% +$90.5K 0.11% 215
2020
Q3 		$13.5M Buy
56,801
+21,645
+62% +$3.83M 0.11% 204
2020
Q2 		$4.07M Buy
+35,156
New +$3.88M 0.05% 404
2019
Q1 		– Sell
-3,667
Closed -$255K – 991
2018
Q4 		$255K Sell
3,667
-7,972
-68% -$604K 0.01% 378
2018
Q3 		$1.1M Buy
+11,639
New +$1.01M 0.02% 222

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

Voloridge Investment Management's IRTC Position: Q4 2025 in Review

Voloridge Investment Management sold out of iRhythm Holdings (IRTC) in Q4 2025, closing a stake of 19,142 shares — an estimated $3.29M sold.

Voloridge Investment Management first reported a position in IRTC in Q3 2018 and held it in 13 quarters. The position peaked at $27.2M in Q1 2021. 334 funds tracked by Wall St. Rank hold IRTC as of Q4 2025.

  • Voloridge Investment Management reported no remaining iRhythm Holdings position as of Q4 2025 after selling out during the quarter.
  • Voloridge Investment Management sold 19,142 iRhythm Holdings shares in Q4 2025, an estimated $3.29M.
  • Voloridge Investment Management first reported a position in iRhythm Holdings in Q3 2018 and held it in 13 quarters.
  • Voloridge Investment Management's iRhythm Holdings position peaked at $27.2M in Q1 2021.
  • 334 funds tracked by Wall St. Rank held iRhythm Holdings as of Q4 2025.

Based on Voloridge Investment Management's 13F filing for Q4 2025, filed 17 Feb 2026.