Cliff Asness's OMER Position Overview
Cliff Asness (via Aqr Capital Management LLC) currently holds 22,838 shares of Omeros Corporation (OMER) worth $392,243, representing 0.00% of the portfolio. First purchased in 2014-Q1, this long-term strategic position has been held for 21 quarters.
Based on 13F filings, Cliff Asness has maintained a strategic position in OMER, demonstrating sustained confidence in this investment. Largest addition occurred in Q3 2017, adding 57,832 shares. Largest reduction occurred in Q2 2018, reducing 57,306 shares.
Analysis based on 13F filings available since 2013 Q2
Cliff Asness's Omeros Corporation (OMER) Holding Value Over Time
Track share changes against reported price movement
Quarterly Omeros Corporation (OMER) Trades by Cliff Asness
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | +1,532 | Add 7.19% | 22,838 | $17.18 |
| Q3 2025 | +7,444 | Add 53.70% | 21,306 | $4.10 |
| Q2 2025 | -20,838 | Reduce 60.05% | 13,862 | $3.00 |
| Q1 2025 | -4,492 | Reduce 11.46% | 34,700 | $8.22 |
| Q4 2024 | +15,214 | Add 63.45% | 39,192 | $9.88 |
| Q3 2024 | -1,822 | Reduce 7.06% | 23,978 | $3.97 |
| Q2 2024 | +25,800 | New Buy | 25,800 | $4.06 |
| Q4 2023 | -35,565 | Sold Out | 0 | $0.00 |
| Q3 2023 | +35,565 | New Buy | 35,565 | $2.92 |
| Q2 2018 | -57,306 | Sold Out | 0 | $0.00 |
| Q1 2018 | +13,936 | Add 32.13% | 57,306 | $11.17 |
| Q4 2017 | -14,462 | Reduce 25.01% | 43,370 | $19.44 |
| Q3 2017 | +57,832 | New Buy | 57,832 | $21.61 |
| Q4 2015 | -29,450 | Sold Out | 0 | $0.00 |
| Q3 2015 | -8,999 | Reduce 23.41% | 29,450 | $10.97 |
| Q2 2015 | +5,549 | Add 16.87% | 38,449 | $18.00 |
| Q1 2015 | -9,800 | Reduce 22.95% | 32,900 | $22.04 |
| Q4 2014 | -13,100 | Reduce 23.48% | 42,700 | $24.78 |
| Q3 2014 | +3,100 | Add 5.88% | 55,800 | $12.72 |
| Q2 2014 | +18,300 | Add 53.20% | 52,700 | $17.40 |
| Q1 2014 | +34,400 | New Buy | 34,400 | $12.06 |
Cliff Asness's Omeros Corporation Investment FAQs
Cliff Asness first purchased Omeros Corporation (OMER) in Q1 2014, acquiring 34,400 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 Omeros Corporation (OMER) for 21 quarters since Q1 2014.
Cliff Asness's largest addition to Omeros Corporation (OMER) was in Q3 2017, adding 57,832 shares worth $1.25 M.
According to the latest 13F filing for Q4 2025, Cliff Asness's firm, Aqr Capital Management LLC, owns 22,838 shares of Omeros Corporation (OMER), valued at approximately $392,243.
As of the Q4 2025 filing, Omeros Corporation (OMER) 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 Omeros Corporation (OMER) was 57,832 shares, as reported at the end of Q3 2017.