Ownership history in RENAISSANCE TECHNOLOGIES LLC · 20 quarters on record
This page tracks every 13F SEC filing in which RENAISSANCE TECHNOLOGIES LLC reported a position in OMEROS CORP COM (OMER). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.
| Quarter | Action | Shares | Change | Chg % | % of Fund | Mkt Value | Price (EOQ) |
|---|---|---|---|---|---|---|---|
| 2025 Q3 | REDUCED | 344,500 | -38,200 | -10.0% | 0.00% | $1.4M | $4.10 |
| 2025 Q2 | ADDED | 382,700 | +319,900 | +509.4% | 0.00% | $1.1M | $3.00 |
| 2023 Q3 | REDUCED | 62,800 | -477,600 | -88.4% | 0.00% | $183K | $2.92 |
| 2022 Q2 | ADDED | 540,400 | +246,800 | +84.1% | 0.00% | $1.5M | $2.75 |
| 2022 Q1 | ADDED | 293,600 | +214,200 | +269.8% | 0.00% | $1.8M | $6.01 |
| 2021 Q4 | REDUCED | 79,400 | -117,635 | -59.7% | 0.00% | $511K | $6.43 |
| 2021 Q2 | ADDED | 197,035 | +129,800 | +193.1% | 0.00% | $2.9M | $14.84 |
| 2018 Q4 | ADDED | 67,235 | +54,642 | +433.9% | 0.00% | $749K | $11.14 |
| 2015 Q3 | REDUCED | 12,593 | -123,714 | -90.8% | 0.00% | $138K | $10.96 |
| 2015 Q2 | ADDED | 136,307 | +71,872 | +111.5% | 0.01% | $2.5M | $17.99 |
As of 2025 Q4 — sorted by position size