Nisa Investment Advisors
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Nisa Investment Advisors’s iRhythm Holdings IRTC Stock Holding History

Nisa Investment Advisors’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 		$119K Buy
1,005
+3
+0.3% +$433 ﹤0.01% 1368
2025
Q4 		$178K Sell
1,002
-45
-4% -$7.97K ﹤0.01% 1258
2025
Q3 		$180K Hold
1,047
– – ﹤0.01% 1271
2025
Q2 		$161K Buy
1,047
+3
+0.3% +$388 ﹤0.01% 1275
2025
Q1 		$109K Buy
1,044
+7
+0.7% +$741 ﹤0.01% 1379
2024
Q4 		$93.5K Buy
1,037
+648
+167% +$50.9K ﹤0.01% 1493
2024
Q3 		$28.9K Sell
389
-236
-38% -$18.8K ﹤0.01% 1787
2024
Q2 		$67.3K Buy
625
+277
+80% +$28.3K ﹤0.01% 1580
2024
Q1 		$40.4K Buy
348
+28
+9% +$3.15K ﹤0.01% 1706
2023
Q4 		$34.3K Sell
320
-254
-44% -$22.1K ﹤0.01% 1722
2023
Q3 		$54.1K Buy
574
+301
+110% +$30.6K ﹤0.01% 1700
2023
Q2 		$28.5K Sell
273
-711
-72% -$85.4K ﹤0.01% 1958
2023
Q1 		$122K Sell
984
-29
-3% -$3.15K ﹤0.01% 1451
2022
Q4 		$95K Buy
1,013
+5
+0.5% +$544 ﹤0.01% 1572
2022
Q3 		$128K Sell
1,008
-118
-10% -$17K ﹤0.01% 1405
2022
Q2 		$122K Buy
1,126
+100
+10% +$13.2K ﹤0.01% 1439
2022
Q1 		$162K Sell
1,026
-77
-7% -$9.89K ﹤0.01% 1464
2021
Q4 		$138K Buy
1,103
+749
+212% +$68.7K ﹤0.01% 1397
2021
Q3 		$21 Sell
354
-1,421
-80% -$75.3K ﹤0.01% 2084
2021
Q2 		$118 Buy
1,775
+700
+65% +$55.5K ﹤0.01% 1610
2021
Q1 		$149 Sell
1,075
-750
-41% -$134K ﹤0.01% 1578
2020
Q4 		$433K Buy
1,825
+910
+99% +$207K ﹤0.01% 1208
2020
Q3 		$218K Buy
915
+650
+245% +$115K ﹤0.01% 1281
2020
Q2 		$31K Buy
265
+45
+20% +$4.96K ﹤0.01% 1680
2020
Q1 		$18K Buy
220
+30
+16% +$2.49K ﹤0.01% 1723
2019
Q4 		$13K Hold
190
– – ﹤0.01% 1782
2019
Q3 		$14K Buy
190
+50
+36% +$3.87K ﹤0.01% 1701
2019
Q2 		$11K Hold
140
– – ﹤0.01% 1728
2019
Q1 		$10K Hold
140
– – ﹤0.01% 1754
2018
Q4 		$10K Hold
140
– – ﹤0.01% 1648
2018
Q3 		$13K Buy
+140
New +$12.2K ﹤0.01% 1645

Other funds holding IRTC

BlackRock
BlackRock New York $6.73T AUM 46.02% 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

Nisa Investment Advisors's IRTC Position: Q1 2026 in Review

Nisa Investment Advisors increased its iRhythm Holdings (IRTC) stake by 0.3% in Q1 2026, buying an estimated $433 and bringing the position to 1,005 shares worth $119K. The position accounts for ﹤0.01% of the portfolio, ranked #1368.

Nisa Investment Advisors first reported a position in IRTC in Q3 2018 and has held it in 31 quarters since. The position peaked at $433K in Q4 2020. 304 funds tracked by Wall St. Rank hold IRTC as of Q1 2026.

  • Nisa Investment Advisors held 1,005 shares of iRhythm Holdings worth $119K as of Q1 2026.
  • Nisa Investment Advisors bought 3 iRhythm Holdings shares in Q1 2026, an estimated $433.
  • iRhythm Holdings made up ﹤0.01% of Nisa Investment Advisors's portfolio in Q1 2026, its #1368 holding.
  • Nisa Investment Advisors first reported a position in iRhythm Holdings in Q3 2018 and has held it in 31 quarters since.
  • Nisa Investment Advisors's iRhythm Holdings position peaked at $433K in Q4 2020.
  • 304 funds tracked by Wall St. Rank held iRhythm Holdings as of Q1 2026.

Based on Nisa Investment Advisors's 13F filing for Q1 2026, filed 30 Apr 2026.