Cliff Asness's RGEN Position Overview
Cliff Asness (via Aqr Capital Management LLC) currently holds 9,216 shares of Repligen Corporation (RGEN) worth $1.18 M, representing 0.00% of the portfolio. First purchased in 2013-Q3, this long-term strategic position has been held for 49 quarters.
Based on 13F filings since 2013, Cliff Asness has maintained a long-term strategic position in RGEN, representing a significant commitment to this investment thesis. Largest addition occurred in Q1 2014, adding 125,800 shares. Largest reduction occurred in Q3 2014, reducing 90,200 shares.
Analysis based on 13F filings available since 2013 Q2
Cliff Asness's Repligen Corporation (RGEN) Holding Value Over Time
Track share changes against reported price movement
Quarterly Repligen Corporation (RGEN) Trades by Cliff Asness
| Period | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q3 2013 | +225,847 | New Buy | 225,847 | $11.09 |
| Q4 2013 | +81,378 | Add 36.03% | 307,225 | $13.64 |
| Q1 2014 | +125,800 | Add 40.95% | 433,025 | $12.86 |
| Q2 2014 | -55,700 | Reduce 12.86% | 377,325 | $22.79 |
| Q3 2014 | -90,200 | Reduce 23.91% | 287,125 | $19.91 |
| Q4 2014 | -85,383 | Reduce 29.74% | 201,742 | $19.80 |
| Q1 2015 | -63,505 | Reduce 31.48% | 138,237 | $30.36 |
| Q2 2015 | -42,326 | Reduce 30.62% | 95,911 | $41.28 |
| Q3 2015 | -23,590 | Reduce 24.60% | 72,321 | $27.85 |
| Q4 2015 | -51,824 | Reduce 71.66% | 20,497 | $28.30 |
| Q1 2016 | +34,692 | Add 169.25% | 55,189 | $26.82 |
| Q2 2016 | -928 | Reduce 1.68% | 54,261 | $27.37 |
| Q3 2016 | +13,382 | Add 24.66% | 67,643 | $30.20 |
| Q4 2016 | -21,331 | Reduce 31.53% | 46,312 | $30.81 |
| Q1 2017 | -8,424 | Reduce 18.19% | 37,888 | $35.21 |
| Q2 2017 | +35,500 | Add 93.70% | 73,388 | $41.45 |
| Q3 2017 | +84,457 | Add 115.08% | 157,845 | $38.32 |
| Q4 2017 | +31,962 | Add 20.25% | 189,807 | $36.28 |
| Q1 2018 | -44,500 | Reduce 23.44% | 145,307 | $36.18 |
| Q2 2018 | -59,270 | Reduce 40.79% | 86,037 | $47.04 |
| Q3 2018 | -6,023 | Reduce 7.00% | 80,014 | $55.47 |
| Q4 2018 | +18,806 | Add 23.50% | 98,820 | $52.74 |
| Q1 2019 | +17,836 | Add 18.05% | 116,656 | $59.08 |
| Q2 2019 | +17,892 | Add 15.34% | 134,548 | $85.95 |
| Q3 2019 | +7,599 | Add 5.65% | 142,147 | $76.69 |
| Q4 2019 | -31,463 | Reduce 22.13% | 110,684 | $92.50 |
| Q1 2020 | -21,438 | Reduce 19.37% | 89,246 | $96.54 |
| Q2 2020 | -15,342 | Reduce 17.19% | 73,904 | $122.31 |
| Q3 2020 | -64,802 | Reduce 87.68% | 9,102 | $147.55 |
| Q4 2020 | +5,290 | Add 58.12% | 14,392 | $189.13 |
| Q1 2021 | -1,202 | Reduce 8.35% | 13,190 | $192.49 |
| Q2 2021 | -2,237 | Reduce 16.96% | 10,953 | $199.58 |
| Q3 2021 | -4,441 | Reduce 40.55% | 6,512 | $289.00 |
| Q4 2021 | +89 | Add 1.37% | 6,601 | $264.51 |
| Q1 2022 | -6,601 | Sold Out | 6,601 | $0.00 |
| Q2 2023 | +10,161 | New Buy | 10,161 | $141.46 |
| Q3 2023 | -10,161 | Sold Out | 10,161 | $0.00 |
| Q1 2025 | +2,062 | New Buy | 2,062 | $127.24 |
| Q2 2025 | -2,062 | Sold Out | 2,062 | $0.00 |
| Q3 2025 | +9,216 | New Buy | 9,216 | $127.55 |
Cliff Asness's Repligen Corporation Investment FAQs
Cliff Asness first purchased Repligen Corporation (RGEN) in Q3 2013, acquiring 225,847 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 Repligen Corporation (RGEN) for 49 quarters since Q3 2013. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Cliff Asness's largest addition to Repligen Corporation (RGEN) was in Q3 2013, adding 225,847 shares worth $2.5 M. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
According to the latest 13F filing for Q3 2025, Cliff Asness's firm, Aqr Capital Management LLC, owns 9,216 shares of Repligen Corporation (RGEN), valued at approximately $1.18 M. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
As of the Q3 2025 filing, Repligen Corporation (RGEN) represents approximately 0.00% of Cliff Asness's publicly disclosed stock portfolio, making it one of their key holdings. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Cliff Asness's peak holding in Repligen Corporation (RGEN) was 433,025 shares, as reported at the end of Q1 2014. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.