Cliff Asness's IEX Position Overview
Cliff Asness (via Aqr Capital Management LLC) currently holds 257,896 shares of IDEX Corporation (IEX) worth $45.89 M, representing 0.02% of the portfolio. First purchased in 2012-Q4, this long-term strategic position has been held for 53 quarters.
Based on 13F filings since 2013, Cliff Asness has maintained a long-term strategic position in IEX, representing a significant commitment to this investment thesis. Largest addition occurred in Q4 2025, adding 139,678 shares. Largest reduction occurred in Q4 2023, reducing 50,248 shares.
Analysis based on 13F filings available since 2013 Q2
Cliff Asness's IDEX Corporation (IEX) Holding Value Over Time
Track share changes against reported price movement
Quarterly IDEX Corporation (IEX) Trades by Cliff Asness
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | +139,678 | Add 118.15% | 257,896 | $177.94 |
| Q3 2025 | +77,360 | Add 189.34% | 118,218 | $162.41 |
| Q2 2025 | +32,743 | Add 403.49% | 40,858 | $175.57 |
| Q1 2025 | -2,085 | Reduce 20.44% | 8,115 | $178.15 |
| Q4 2024 | -15,167 | Reduce 59.79% | 10,200 | $209.30 |
| Q3 2024 | +140 | Add 0.55% | 25,367 | $214.34 |
| Q2 2024 | +288 | Add 1.15% | 25,227 | $201.20 |
| Q1 2024 | +5,752 | Add 29.98% | 24,939 | $244.02 |
| Q4 2023 | -50,248 | Reduce 72.37% | 19,187 | $217.11 |
| Q3 2023 | -49,065 | Reduce 41.41% | 69,435 | $208.02 |
| Q2 2023 | -5,109 | Reduce 4.13% | 118,500 | $215.06 |
| Q1 2023 | +5,301 | Add 4.48% | 123,609 | $228.74 |
| Q4 2022 | -43,904 | Reduce 27.07% | 118,308 | $228.33 |
| Q3 2022 | -37,754 | Reduce 18.88% | 162,212 | $199.85 |
| Q2 2022 | -12,729 | Reduce 5.98% | 199,966 | $179.23 |
| Q1 2022 | -23,120 | Reduce 9.80% | 212,695 | $191.73 |
| Q4 2021 | -527 | Reduce 0.22% | 235,815 | $235.28 |
| Q3 2021 | +82,336 | Add 53.46% | 236,342 | $206.95 |
| Q2 2021 | -27,434 | Reduce 15.12% | 154,006 | $220.05 |
| Q1 2021 | +46,891 | Add 34.85% | 181,440 | $209.32 |
| Q4 2020 | +16,956 | Add 14.42% | 134,549 | $197.54 |
| Q3 2020 | +56,180 | Add 91.48% | 117,593 | $182.41 |
| Q2 2020 | -37,650 | Reduce 38.01% | 61,413 | $155.02 |
| Q1 2020 | -42,021 | Reduce 29.78% | 99,063 | $138.11 |
| Q4 2019 | -4,074 | Reduce 2.81% | 141,084 | $172.00 |
| Q3 2019 | -1,157 | Reduce 0.79% | 145,158 | $163.88 |
| Q2 2019 | -8,753 | Reduce 5.64% | 146,315 | $172.14 |
| Q1 2019 | +27,416 | Add 21.48% | 155,068 | $151.74 |
| Q4 2018 | +46,101 | Add 56.53% | 127,652 | $126.26 |
| Q3 2018 | +37,021 | Add 83.14% | 81,551 | $150.65 |
| Q2 2018 | +15,827 | Add 55.14% | 44,530 | $136.47 |
| Q1 2018 | +22,100 | Add 334.70% | 28,703 | $142.49 |
| Q4 2017 | +2,244 | Add 51.48% | 6,603 | $131.91 |
| Q3 2017 | +331 | Add 8.22% | 4,359 | $121.36 |
| Q2 2017 | +407 | Add 11.24% | 4,028 | $112.96 |
| Q1 2017 | -8,602 | Reduce 70.38% | 3,621 | $93.62 |
| Q4 2016 | -3,902 | Reduce 24.20% | 12,223 | $90.08 |
| Q3 2016 | -7,747 | Reduce 32.45% | 16,125 | $93.58 |
| Q2 2016 | -443 | Reduce 1.82% | 23,872 | $82.10 |
| Q1 2016 | -9,796 | Reduce 28.72% | 24,315 | $82.87 |
| Q4 2015 | -2,124 | Reduce 5.86% | 34,111 | $76.60 |
| Q3 2015 | -8,092 | Reduce 18.26% | 36,235 | $71.31 |
| Q2 2015 | -1,942 | Reduce 4.20% | 44,327 | $78.58 |
| Q1 2015 | -14,900 | Reduce 24.36% | 46,269 | $75.84 |
| Q4 2014 | +3,799 | Add 6.62% | 61,169 | $77.83 |
| Q3 2014 | +14,170 | Add 32.80% | 57,370 | $72.37 |
| Q2 2014 | +23,400 | Add 118.18% | 43,200 | $80.74 |
| Q1 2014 | -800 | Reduce 3.88% | 19,800 | $72.88 |
| Q4 2013 | +9,600 | Add 87.27% | 20,600 | $73.83 |
| Q3 2013 | +6,300 | Add 134.04% | 11,000 | $65.27 |
| Q2 2013 | +4,700 | Add 0.00% | 4,700 | $53.83 |
| Q4 2012 | +5,800 | Add 0.00% | 5,800 | $46.55 |
Cliff Asness's IDEX Corporation Investment FAQs
Cliff Asness first purchased IDEX Corporation (IEX) in Q4 2012, acquiring 5,800 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 IDEX Corporation (IEX) for 53 quarters since Q4 2012.
Cliff Asness's largest addition to IDEX Corporation (IEX) was in Q4 2025, adding 257,896 shares worth $45.89 M.
According to the latest 13F filing for Q4 2025, Cliff Asness's firm, Aqr Capital Management LLC, owns 257,896 shares of IDEX Corporation (IEX), valued at approximately $45.89 M.
As of the Q4 2025 filing, IDEX Corporation (IEX) represents approximately 0.02% of Cliff Asness's publicly disclosed stock portfolio, making it one of their key holdings.
Cliff Asness's peak holding in IDEX Corporation (IEX) was 257,896 shares, as reported at the end of Q4 2025.