Teacher Retirement System of Texas
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Teacher Retirement System of Texas’s iRhythm Holdings IRTC Stock Holding History

Teacher Retirement System of Texas’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 		$357K Buy
+3,028
New +$437K ﹤0.01% 1208
2025
Q4 		– Sell
-4,177
Closed -$718K – 1812
2025
Q3 		$718K Sell
4,177
-592
-12% -$94.1K ﹤0.01% 1364
2025
Q2 		$734K Buy
4,769
+194
+4% +$25.1K ﹤0.01% 1374
2025
Q1 		$479K Buy
+4,575
New +$485K ﹤0.01% 1535
2023
Q4 		– Sell
-2,355
Closed -$222K – 1855
2023
Q3 		$222K Buy
2,355
+52
+2% +$5.29K ﹤0.01% 1704
2023
Q2 		$240K Sell
2,303
-1,046
-31% -$126K ﹤0.01% 1704
2023
Q1 		$415K Sell
3,349
-1,052
-24% -$114K ﹤0.01% 1561
2022
Q4 		$412K Sell
4,401
-1,568
-26% -$171K ﹤0.01% 1563
2022
Q3 		$748K Buy
5,969
+1,364
+30% +$197K 0.01% 1321
2022
Q2 		$497K Sell
4,605
-1,382
-23% -$183K ﹤0.01% 1154
2022
Q1 		$943K Buy
5,987
+372
+7% +$47.8K ﹤0.01% 1046
2021
Q4 		$661K Buy
5,615
+965
+21% +$88.5K ﹤0.01% 1303
2021
Q3 		$272K Buy
4,650
+1,042
+29% +$55.2K ﹤0.01% 1751
2021
Q2 		$239K Buy
3,608
+565
+19% +$44.8K ﹤0.01% 1732
2021
Q1 		$423K Buy
3,043
+587
+24% +$105K ﹤0.01% 1206
2020
Q4 		$583K Buy
2,456
+938
+62% +$214K ﹤0.01% 870
2020
Q3 		$361K Buy
+1,518
New +$269K ﹤0.01% 883
2018
Q3 		– Sell
-3,495
Closed -$284K – 1661
2018
Q2 		$284K Buy
+3,495
New +$244K ﹤0.01% 1558

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

Teacher Retirement System of Texas's IRTC Position: Q1 2026 in Review

Teacher Retirement System of Texas opened a new position in iRhythm Holdings (IRTC) in Q1 2026: 3,028 shares worth $357K. The stake represents ﹤0.01% of the portfolio and ranks #1208 among its holdings. This is a return to the name: Teacher Retirement System of Texas previously reported a position in IRTC as recently as Q3 2025.

Teacher Retirement System of Texas first reported a position in IRTC in Q2 2018 and has held it in 18 quarters since. The position peaked at $943K in Q1 2022. 304 funds tracked by Wall St. Rank hold IRTC as of Q1 2026.

  • Teacher Retirement System of Texas held 3,028 shares of iRhythm Holdings worth $357K as of Q1 2026.
  • iRhythm Holdings was a new Teacher Retirement System of Texas position in Q1 2026.
  • iRhythm Holdings made up ﹤0.01% of Teacher Retirement System of Texas's portfolio in Q1 2026, its #1208 holding.
  • Teacher Retirement System of Texas first reported a position in iRhythm Holdings in Q2 2018 and has held it in 18 quarters since.
  • Teacher Retirement System of Texas's iRhythm Holdings position peaked at $943K in Q1 2022.
  • 304 funds tracked by Wall St. Rank held iRhythm Holdings as of Q1 2026.

Based on Teacher Retirement System of Texas's 13F filing for Q1 2026, filed 30 Apr 2026.