Renaissance Technologies (RenTech)'s COLL Position Overview
Renaissance Technologies (RenTech) (via Renaissance Technologies LLC (Rentech)) currently holds 1.62 M shares of Collegium Pharmaceutical, Inc. (COLL) worth $74.88 M, representing 0.12% of the portfolio. First purchased in 2015-Q3, this long-term strategic position has been held for 33 quarters.
Based on 13F filings, Renaissance Technologies (RenTech) has maintained a strategic position in COLL, demonstrating sustained confidence in this investment. Largest addition occurred in Q4 2019, adding 505,128 shares. Largest reduction occurred in Q3 2020, reducing 196,900 shares.
Analysis based on 13F filings available since 2013 Q2
Renaissance Technologies (RenTech)'s Collegium Pharmaceutical (COLL) Holding Value Over Time
Track share changes against reported price movement
Quarterly Collegium Pharmaceutical (COLL) Trades by Renaissance Technologies (RenTech)
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | +18,160 | Add 1.14% | 1.62 M | $46.30 |
| Q3 2025 | +78,019 | Add 5.13% | 1.6 M | $34.99 |
| Q2 2025 | -94,879 | Reduce 5.87% | 1.52 M | $29.57 |
| Q1 2025 | -45,500 | Reduce 2.74% | 1.62 M | $29.85 |
| Q4 2024 | +5,480 | Add 0.33% | 1.66 M | $28.65 |
| Q3 2024 | +124,571 | Add 8.13% | 1.66 M | $38.64 |
| Q2 2024 | +113,300 | Add 7.99% | 1.53 M | $32.20 |
| Q1 2024 | +33,600 | Add 2.43% | 1.42 M | $38.82 |
| Q4 2023 | +212,000 | Add 18.08% | 1.38 M | $30.78 |
| Q3 2023 | -102,400 | Reduce 8.03% | 1.17 M | $22.35 |
| Q2 2023 | +66,500 | Add 5.50% | 1.27 M | $0.02 |
| Q1 2023 | +54,179 | Add 4.69% | 1.21 M | $0.02 |
| Q4 2022 | -86,499 | Reduce 6.97% | 1.15 M | $0.02 |
| Q3 2022 | -156,000 | Reduce 11.17% | 1.24 M | $16.02 |
| Q2 2022 | +126,700 | Add 9.98% | 1.4 M | $17.72 |
| Q1 2022 | +13,800 | Add 1.10% | 1.27 M | $20.36 |
| Q4 2021 | -48,679 | Reduce 3.73% | 1.26 M | $18.68 |
| Q3 2021 | +55,479 | Add 4.44% | 1.3 M | $19.74 |
| Q2 2021 | -16,200 | Reduce 1.28% | 1.25 M | $23.64 |
| Q1 2021 | -117,000 | Reduce 8.46% | 1.27 M | $23.70 |
| Q4 2020 | -47,700 | Reduce 3.33% | 1.38 M | $20.03 |
| Q3 2020 | -196,900 | Reduce 12.10% | 1.43 M | $20.82 |
| Q2 2020 | +40,700 | Add 2.57% | 1.63 M | $17.50 |
| Q1 2020 | +334,290 | Add 26.69% | 1.59 M | $16.33 |
| Q4 2019 | +505,128 | Add 67.60% | 1.25 M | $20.58 |
| Q3 2019 | +503,100 | Add 206.10% | 747,200 | $11.48 |
| Q2 2019 | +244,100 | New Buy | 244,100 | $13.15 |
| Q2 2018 | -13,500 | Sold Out | 0 | $0.00 |
| Q1 2018 | -117,300 | Reduce 89.68% | 13,500 | $25.56 |
| Q4 2017 | +130,800 | New Buy | 130,800 | $18.46 |
| Q1 2016 | -11,933 | Sold Out | 0 | $0.00 |
| Q4 2015 | -19,867 | Reduce 62.47% | 11,933 | $27.49 |
| Q3 2015 | +31,800 | New Buy | 31,800 | $22.11 |
Renaissance Technologies (RenTech)'s Collegium Pharmaceutical Investment FAQs
Renaissance Technologies (RenTech) first purchased Collegium Pharmaceutical, Inc. (COLL) in Q3 2015, acquiring 31,800 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Renaissance Technologies (RenTech) has held Collegium Pharmaceutical, Inc. (COLL) for 33 quarters since Q3 2015.
Renaissance Technologies (RenTech)'s largest addition to Collegium Pharmaceutical, Inc. (COLL) was in Q4 2019, adding 1,252,328 shares worth $25.77 M.
According to the latest 13F filing for Q4 2025, Renaissance Technologies (RenTech)'s firm, Renaissance Technologies LLC (Rentech), owns 1,617,349 shares of Collegium Pharmaceutical, Inc. (COLL), valued at approximately $74.88 M.
As of the Q4 2025 filing, Collegium Pharmaceutical, Inc. (COLL) represents approximately 0.12% of Renaissance Technologies (RenTech)'s publicly disclosed stock portfolio, making it one of their key holdings.
Renaissance Technologies (RenTech)'s peak holding in Collegium Pharmaceutical, Inc. (COLL) was 1,661,549 shares, as reported at the end of Q4 2024.