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Omeros (OMER)
NASDAQ
$18.56+$0.09 (+0.47%)
Price as of Oct 02, 2026 6:05 PM EDT- $1.3BMarket Cap
- 337.68%1-Year Change
- BiotechnologyIndustry
Omeros (OMER)
$18.56+$0.09 (+0.47%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
BLACKROCK, INC. | 8.35% | 6.0M | +735,007 (+12.16%) | Jun 30, 2026 |
BLACKROCK FUNDING, INC. /DE | 5.94% | 4.3M | +69,401 (+1.61%) | Dec 31, 2024 |
BLACKROCK INC. | 5.67% | 4.1M | -109,538 (-2.67%) | Jun 30, 2024 |
VANGUARD GROUP INC | 5.55% | 4.0M | +666,357 (+16.60%) | Dec 31, 2025 |
INGALLS & SNYDER LLC | 5.06% | 3.7M | +100,100 (+2.74%) | Jun 30, 2026 |
UBS GROUP AG | 4.35% | 3.1M | +807,653 (+25.65%) | Jun 30, 2026 |
VANGUARD CAPITAL MANAGEMENT LLC | 4.24% | 3.1M | +88,791 (+2.89%) | Jun 30, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
AQR Funds | 6.53% | 4.7M | 0 (0.00%) | Jun 30, 2026 |
VANGUARD INDEX FUNDS | 4.15% | 3.0M | +89,479 (+2.98%) | Jun 30, 2026 |
LEGG MASON PARTNERS INVESTMENT TRUST | 2.67% | 1.9M | 0 (0.00%) | Jul 31, 2026 |
LMP CAPITAL & INCOME FUND INC. | 2.51% | 1.8M | 0 (0.00%) | Aug 30, 2024 |
FIDELITY SALEM STREET TRUST | 1.11% | 800,624 | +712,338 (+88.97%) | Jul 31, 2026 |
INVESCO EXCHANGE-TRADED FUND TRUST | 0.98% | 708,712 | +589,913 (+83.24%) | Jul 31, 2026 |
SPDR SERIES TRUST | 0.89% | 640,960 | 0 (0.00%) | Jul 31, 2026 |
Current Ownership Distribution
- Institutions532.9M (72.41%)
- Mutual Funds201.6M (27.38%)
- Insiders1.5M (0.21%)
- Other0 (0.00%)
Insider Transactions
- 0.21% (1.5M)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 4Number of InsiderSelling (last 12 months)
- $2.9MAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Borges David J. VP, Finance & CAO | Exempt | Sep 23, 2026 | $0.00 | 10,000 | $0.00 | 5,000 |
Borges David J. VP, Finance & CAO | Exempt | Sep 23, 2026 | $155,800.00 | 10,000 | $15.58 | 10,000 |
Borges David J. VP, Finance & CAO | Sell | Sep 23, 2026 | $209,500.00 | 10,000 | $20.95 | 0 |
Borges David J. VP, Finance & CAO | Exempt | Sep 22, 2026 | $0.00 | 5,000 | $0.00 | 4,094 |
Borges David J. VP, Finance & CAO | Exempt | Sep 22, 2026 | $0.00 | 5,000 | $0.00 | 15,000 |
Borges David J. VP, Finance & CAO | Exempt | Sep 22, 2026 | $19,650.00 | 5,000 | $3.93 | 5,000 |
Borges David J. VP, Finance & CAO | Exempt | Sep 22, 2026 | $14,700.00 | 5,000 | $2.94 | 10,000 |
Borges David J. VP, Finance & CAO | Sell | Sep 22, 2026 | $209,500.00 | 10,000 | $20.95 | 0 |
Cancelmo Peter B VP, General Counsel | Exempt | Aug 31, 2026 | $0.00 | 25,000 | $0.00 | 50,000 |
Cancelmo Peter B VP, General Counsel | Exempt | Aug 31, 2026 | $73,500.00 | 25,000 | $2.94 | 25,200 |
Cancelmo Peter B VP, General Counsel | Sell | Aug 31, 2026 | $463,540.00 | 25,000 | $18.54 | 200 |
Cancelmo Peter B VP, General Counsel | Exempt | Aug 28, 2026 | $73,500.00 | 25,000 | $2.94 | 25,200 |
Cancelmo Peter B VP, General Counsel | Sell | Aug 28, 2026 | $466,127.50 | 25,000 | $18.65 | 200 |
Cancelmo Peter B VP, General Counsel | Exempt | Aug 28, 2026 | $0.00 | 25,000 | $0.00 | 75,000 |
HANISH ARNOLD C | Exempt | Aug 27, 2026 | $0.00 | 2,500 | $0.00 | 0 |
HANISH ARNOLD C | Exempt | Aug 27, 2026 | $0.00 | 7,500 | $0.00 | 0 |
HANISH ARNOLD C | Exempt | Aug 27, 2026 | $39,525.00 | 2,500 | $15.81 | 2,500 |
HANISH ARNOLD C | Exempt | Aug 27, 2026 | $109,950.00 | 7,500 | $14.66 | 10,000 |
HANISH ARNOLD C | Sell | Aug 27, 2026 | $94,381.00 | 5,000 | $18.88 | 5,000 |
HANISH ARNOLD C | Sell | Aug 27, 2026 | $95,080.50 | 5,000 | $19.02 | 0 |
HANISH ARNOLD C | Exempt | Aug 26, 2026 | $79,050.00 | 5,000 | $15.81 | 5,000 |
HANISH ARNOLD C | Sell | Aug 26, 2026 | $92,632.50 | 5,000 | $18.53 | 0 |
HANISH ARNOLD C | Exempt | Aug 26, 2026 | $0.00 | 5,000 | $0.00 | 2,500 |
Borges David J. VP, Finance & CAO | Exempt | Aug 24, 2026 | $0.00 | 906 | $0.00 | 20,000 |
Borges David J. VP, Finance & CAO | Exempt | Aug 24, 2026 | $2,663.64 | 906 | $2.94 | 906 |
Borges David J. VP, Finance & CAO | Sell | Aug 24, 2026 | $17,304.60 | 906 | $19.10 | 0 |
Borges David J. VP, Finance & CAO | Exempt | Aug 21, 2026 | $0.00 | 5,906 | $0.00 | 9,094 |
Borges David J. VP, Finance & CAO | Exempt | Aug 21, 2026 | $0.00 | 4,094 | $0.00 | 20,906 |
Borges David J. VP, Finance & CAO | Exempt | Aug 21, 2026 | $23,210.58 | 5,906 | $3.93 | 5,906 |
Borges David J. VP, Finance & CAO | Exempt | Aug 21, 2026 | $12,036.36 | 4,094 | $2.94 | 10,000 |