Renaissance Technologies (RenTech)'s MREO Position Overview
Renaissance Technologies (RenTech) (via Renaissance Technologies LLC) currently holds 48,400 shares of Mereo BioPharma Group plc (MREO) worth $15,972, representing 0.00% of the portfolio. First purchased in 2019-Q2, this long-term strategic position has been held for 28 quarters.
Based on 13F filings, Renaissance Technologies (RenTech) has maintained a strategic position in MREO, demonstrating sustained confidence in this investment. Largest addition occurred in Q2 2023, adding 862,863 shares. Largest reduction occurred in Q3 2025, reducing 889,600 shares.
Analysis based on 13F filings available since 2013 Q2
Renaissance Technologies (RenTech)'s Mereo BioPharma Group plc (MREO) Holding Value Over Time
Track share changes against reported price movement
Quarterly Mereo BioPharma Group plc (MREO) Trades by Renaissance Technologies (RenTech)
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q1 2026 | -145,971 | Reduce 75.10% | 48,400 | $0.33 |
| Q4 2025 | -396,500 | Reduce 67.10% | 194,371 | $0.42 |
| Q3 2025 | -889,600 | Reduce 60.09% | 590,871 | $2.06 |
| Q2 2025 | +130,000 | Add 9.63% | 1.48 M | $2.71 |
| Q1 2025 | +161,000 | Add 13.54% | 1.35 M | $2.25 |
| Q4 2024 | -115,900 | Reduce 8.88% | 1.19 M | $3.50 |
| Q3 2024 | -456,632 | Reduce 25.92% | 1.31 M | $4.11 |
| Q2 2024 | +89,694 | Add 5.36% | 1.76 M | $3.60 |
| Q1 2024 | -125,700 | Reduce 6.99% | 1.67 M | $3.30 |
| Q4 2023 | +70,439 | Add 4.08% | 1.8 M | $2.31 |
| Q3 2023 | -51,202 | Reduce 2.88% | 1.73 M | $1.29 |
| Q2 2023 | +862,863 | Add 94.21% | 1.78 M | $0.00 |
| Q1 2023 | -341,460 | Reduce 27.16% | 915,909 | $0.00 |
| Q4 2022 | +23,755 | Add 1.93% | 1.26 M | $0.00 |
| Q3 2022 | +624,705 | Add 102.59% | 1.23 M | $0.86 |
| Q2 2022 | +325,109 | Add 114.56% | 608,909 | $1.12 |
| Q1 2022 | +63,200 | Add 28.65% | 283,800 | $1.12 |
| Q4 2021 | -178,300 | Reduce 44.70% | 220,600 | $1.60 |
| Q3 2021 | +113,800 | Add 39.92% | 398,900 | $2.42 |
| Q2 2021 | +17,900 | Add 6.70% | 285,100 | $3.17 |
| Q1 2021 | -92,000 | Reduce 25.61% | 267,200 | $3.37 |
| Q4 2020 | +338,000 | Add 1594.34% | 359,200 | $3.58 |
| Q3 2020 | -29,200 | Reduce 57.94% | 21,200 | $2.64 |
| Q2 2020 | +50,400 | New Buy | 50,400 | $3.06 |
| Q1 2020 | -126,323 | Sold Out | 0 | $0.00 |
| Q4 2019 | -39,800 | Reduce 23.96% | 126,323 | $3.28 |
| Q3 2019 | -29,800 | Reduce 15.21% | 166,123 | $2.98 |
| Q2 2019 | +195,923 | New Buy | 195,923 | $2.52 |
Renaissance Technologies (RenTech)'s Mereo BioPharma Group plc Investment FAQs
Renaissance Technologies (RenTech) first purchased Mereo BioPharma Group plc (MREO) in Q2 2019, acquiring 195,923 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 Mereo BioPharma Group plc (MREO) for 28 quarters since Q2 2019.
Renaissance Technologies (RenTech)'s largest addition to Mereo BioPharma Group plc (MREO) was in Q2 2023, adding 1,778,772 shares worth $2,348.
According to the latest 13F filing for Q1 2026, Renaissance Technologies (RenTech)'s firm, Renaissance Technologies LLC, owns 48,400 shares of Mereo BioPharma Group plc (MREO), valued at approximately $15,972.
As of the Q1 2026 filing, Mereo BioPharma Group plc (MREO) represents approximately 0.00% of Renaissance Technologies (RenTech)'s publicly disclosed stock portfolio, making it one of their key holdings.
Renaissance Technologies (RenTech)'s peak holding in Mereo BioPharma Group plc (MREO) was 1,798,009 shares, as reported at the end of Q4 2023.