FAM
IRTC icon

Fred Alger Management’s iRhythm Holdings IRTC Stock Holding History

Fred Alger 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
2026
Q2 		$26.3M Sell
220,789
-59,251
-21% -$6.89M 0.09% 100
2026
Q1 		$33.1M Sell
280,040
-30,542
-10% -$4.41M 0.15% 77
2025
Q4 		$55.1M Sell
310,582
-9,517
-3% -$1.69M 0.22% 62
2025
Q3 		$55.1M Sell
320,099
-5,444
-2% -$865K 0.21% 54
2025
Q2 		$50.1M Buy
325,543
+75,829
+30% +$9.8M 0.22% 56
2025
Q1 		$26.1M Sell
249,714
-23,059
-8% -$2.44M 0.15% 95
2024
Q4 		$24.6M Sell
272,773
-41,344
-13% -$3.25M 0.12% 117
2024
Q3 		$23.3M Buy
314,117
+61,696
+24% +$4.91M 0.11% 126
2024
Q2 		$27.2M Buy
252,421
+28,132
+13% +$2.87M 0.13% 107
2024
Q1 		$26M Sell
224,289
-5,581
-2% -$627K 0.13% 127
2023
Q4 		$24.6M Buy
229,870
+214,110
+1,359% +$18.7M 0.13% 129
2023
Q3 		$1.49M Buy
+15,760
New +$1.6M 0.01% 343
2023
Q2 		– Sell
-3,467
Closed -$430K – 546
2023
Q1 		$430K Buy
+3,467
New +$376K ﹤0.01% 409
2022
Q2 		– Sell
-32,252
Closed -$5.08M – 526
2022
Q1 		$5.08M Buy
+32,252
New +$4.14M 0.02% 268
2021
Q1 		– Sell
-644,466
Closed -$153M – 496
2020
Q4 		$153M Buy
644,466
+140,826
+28% +$32.1M 0.4% 80
2020
Q3 		$120M Buy
+503,640
New +$89.1M 0.35% 82
2019
Q4 		– Sell
-537,616
Closed -$39.8M – 503
2019
Q3 		$39.8M Buy
537,616
+6,608
+1% +$512K 0.16% 128
2019
Q2 		$42M Buy
531,008
+51,612
+11% +$3.76M 0.16% 125
2019
Q1 		$35.9M Buy
479,396
+479,378
+2,663,211% +$41M 0.14% 136
2018
Q4 		$1K Buy
+18
New +$1.36K ﹤0.01% 517

Other funds holding IRTC

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
RI
RTW Investments New York $11.7B AUM 174.13% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Artisan Partners
Artisan Partners Milwaukee, Wisconsin $63.1B AUM 35.51% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
UBS AM
UBS AM Chicago, Illinois $550B AUM 43.33% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
EAM
Eventide Asset Management Boston, Massachusetts $7.48B AUM 104.76% 1-Year Est. Return

Fred Alger Management's IRTC Position: Q2 2026 in Review

Fred Alger Management reduced its iRhythm Holdings (IRTC) stake by 21% in Q2 2026, selling an estimated $6.89M and leaving 220,789 shares worth $26.3M. The position accounts for 0.09% of the portfolio, ranked #100.

Fred Alger Management first reported a position in IRTC in Q4 2018 and has held it in 20 quarters since. The position peaked at $153M in Q4 2020. 304 funds tracked by Wall St. Rank hold IRTC as of Q2 2026.

  • Fred Alger Management held 220,789 shares of iRhythm Holdings worth $26.3M as of Q2 2026.
  • Fred Alger Management sold 59,251 iRhythm Holdings shares in Q2 2026, an estimated $6.89M.
  • iRhythm Holdings made up 0.09% of Fred Alger Management's portfolio in Q2 2026, its #100 holding.
  • Fred Alger Management first reported a position in iRhythm Holdings in Q4 2018 and has held it in 20 quarters since.
  • Fred Alger Management's iRhythm Holdings position peaked at $153M in Q4 2020.
  • 304 funds tracked by Wall St. Rank held iRhythm Holdings as of Q2 2026.

Based on Fred Alger Management's 13F filing for Q2 2026, filed 14 Aug 2026.