Jennison Associates
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Jennison Associates’s iRhythm Holdings IRTC Stock Holding History

Jennison Associates’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 		$8.08M Sell
67,924
-69,116
-50% -$8.03M ﹤0.01% 409
2026
Q1 		$16.2M Sell
137,040
-2,019
-1% -$291K 0.01% 347
2025
Q4 		$24.7M Sell
139,059
-18,217
-12% -$3.23M 0.01% 308
2025
Q3 		$27M Sell
157,276
-140,216
-47% -$22.3M 0.02% 302
2025
Q2 		$45.8M Buy
297,492
+17,305
+6% +$2.24M 0.03% 231
2025
Q1 		$29.3M Buy
+280,187
New +$29.7M 0.02% 280
2020
Q2 		– Sell
-92,054
Closed -$7.49M – 667
2020
Q1 		$7.49M Sell
92,054
-62,727
-41% -$5.2M 0.01% 362
2019
Q4 		$10.5M Buy
154,781
+1,253
+0.8% +$85K 0.01% 377
2019
Q3 		$11.4M Sell
153,528
-14,633
-9% -$1.13M 0.01% 389
2019
Q2 		$13.3M Sell
168,161
-1,791
-1% -$130K 0.01% 410
2019
Q1 		$12.7M Sell
169,952
-93
-0.1% -$7.95K 0.01% 413
2018
Q4 		$11.8M Buy
170,045
+55,594
+49% +$4.21M 0.01% 416
2018
Q3 		$10.8M Sell
114,451
-2,848
-2% -$248K 0.01% 464
2018
Q2 		$9.52M Buy
117,299
+5,262
+5% +$368K 0.01% 474
2018
Q1 		$7.05M Buy
112,037
+15,621
+16% +$967K 0.01% 474
2017
Q4 		$5.4M Buy
96,416
+878
+0.9% +$45.9K 0.01% 495
2017
Q3 		$4.96M Sell
95,538
-203
-0.2% -$9.19K 0.01% 505
2017
Q2 		$4.07M Sell
95,741
-830
-0.9% -$30.2K ﹤0.01% 510
2017
Q1 		$3.63M Sell
96,571
-108,723
-53% -$3.74M ﹤0.01% 519
2016
Q4 		$6.16M Buy
+205,294
New +$5.53M 0.01% 503

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

Jennison Associates's IRTC Position: Q2 2026 in Review

Jennison Associates reduced its iRhythm Holdings (IRTC) stake by 50% in Q2 2026, selling an estimated $8.03M and leaving 67,924 shares worth $8.08M. The position accounts for ﹤0.01% of the portfolio, ranked #409.

Jennison Associates first reported a position in IRTC in Q4 2016 and has held it in 20 quarters since. The position peaked at $45.8M in Q2 2025. 304 funds tracked by Wall St. Rank hold IRTC as of Q2 2026.

  • Jennison Associates held 67,924 shares of iRhythm Holdings worth $8.08M as of Q2 2026.
  • Jennison Associates sold 69,116 iRhythm Holdings shares in Q2 2026, an estimated $8.03M.
  • iRhythm Holdings made up ﹤0.01% of Jennison Associates's portfolio in Q2 2026, its #409 holding.
  • Jennison Associates first reported a position in iRhythm Holdings in Q4 2016 and has held it in 20 quarters since.
  • Jennison Associates's iRhythm Holdings position peaked at $45.8M in Q2 2025.
  • 304 funds tracked by Wall St. Rank held iRhythm Holdings as of Q2 2026.

Based on Jennison Associates's 13F filing for Q2 2026, filed 3 Aug 2026.