Cliff Asness's IRTC Position Overview
Cliff Asness (via Aqr Capital Management LLC) currently holds 40,165 shares of iRhythm Holdings, Inc. (IRTC) worth $7.13 M, representing 0.00% of the portfolio. First purchased in 2018-Q1, this long-term strategic position has been held for 29 quarters.
Based on 13F filings, Cliff Asness has maintained a strategic position in IRTC, demonstrating sustained confidence in this investment. Largest addition occurred in Q3 2025, adding 24,436 shares. Largest reduction occurred in Q4 2021, reducing 17,097 shares.
Analysis based on 13F filings available since 2013 Q2
Cliff Asness's iRhythm Holdings (IRTC) Holding Value Over Time
Track share changes against reported price movement
Quarterly iRhythm Holdings (IRTC) Trades by Cliff Asness
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | +8,744 | Add 27.83% | 40,165 | $177.44 |
| Q3 2025 | +24,436 | Add 349.84% | 31,421 | $171.99 |
| Q2 2025 | -1,318 | Reduce 15.87% | 6,985 | $153.96 |
| Q1 2025 | +23 | Add 0.28% | 8,303 | $104.68 |
| Q4 2024 | +8,280 | New Buy | 8,280 | $90.17 |
| Q2 2024 | -3,026 | Sold Out | 0 | $0.00 |
| Q1 2024 | -3,113 | Reduce 50.71% | 3,026 | $116.00 |
| Q4 2023 | +1,607 | Add 35.46% | 6,139 | $107.04 |
| Q3 2023 | +1,204 | Add 36.18% | 4,532 | $94.26 |
| Q2 2023 | +597 | Add 21.86% | 3,328 | $104.32 |
| Q1 2023 | -12,437 | Reduce 81.99% | 2,731 | $124.03 |
| Q4 2022 | -3,040 | Reduce 16.70% | 15,168 | $93.67 |
| Q3 2022 | +5,035 | Add 38.22% | 18,208 | $125.27 |
| Q2 2022 | -447 | Reduce 3.28% | 13,173 | $108.02 |
| Q1 2022 | +7,884 | Add 137.45% | 13,620 | $157.49 |
| Q4 2021 | -17,097 | Reduce 74.88% | 5,736 | $117.68 |
| Q3 2021 | +8,255 | Add 56.63% | 22,833 | $58.56 |
| Q2 2021 | +5,543 | Add 61.35% | 14,578 | $66.33 |
| Q1 2021 | -2,981 | Reduce 24.81% | 9,035 | $138.90 |
| Q4 2020 | -3,229 | Reduce 21.18% | 12,016 | $237.18 |
| Q3 2020 | +8,753 | Add 134.83% | 15,245 | $238.11 |
| Q2 2020 | +6,492 | New Buy | 6,492 | $115.83 |
| Q3 2019 | -6,196 | Sold Out | 0 | $0.00 |
| Q2 2019 | -4,045 | Reduce 39.50% | 6,196 | $79.08 |
| Q1 2019 | -260 | Reduce 2.48% | 10,241 | $74.99 |
| Q4 2018 | -1,519 | Reduce 12.64% | 10,501 | $69.52 |
| Q3 2018 | +3,829 | Add 46.75% | 12,020 | $94.68 |
| Q2 2018 | +3,347 | Add 69.10% | 8,191 | $81.19 |
| Q1 2018 | +4,844 | New Buy | 4,844 | $62.96 |
Cliff Asness's iRhythm Holdings Investment FAQs
Cliff Asness first purchased iRhythm Holdings, Inc. (IRTC) in Q1 2018, acquiring 4,844 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Cliff Asness has held iRhythm Holdings, Inc. (IRTC) for 29 quarters since Q1 2018.
Cliff Asness's largest addition to iRhythm Holdings, Inc. (IRTC) was in Q3 2025, adding 31,421 shares worth $5.4 M.
According to the latest 13F filing for Q4 2025, Cliff Asness's firm, Aqr Capital Management LLC, owns 40,165 shares of iRhythm Holdings, Inc. (IRTC), valued at approximately $7.13 M.
As of the Q4 2025 filing, iRhythm Holdings, Inc. (IRTC) represents approximately 0.00% of Cliff Asness's publicly disclosed stock portfolio, making it one of their key holdings.
Cliff Asness's peak holding in iRhythm Holdings, Inc. (IRTC) was 40,165 shares, as reported at the end of Q4 2025.