- Type / Class
- Equity / COMMON STOCK
- Shares outstanding
- 72,213,917
- Total 13F shares
- 27,567,515
- Share change
- +1,013,450
- Total reported value
- $226,581,675
- Put/Call ratio
- 128%
- Price per share
- $8.22
- Number of holders
- 136
- Value change
- +$7,577,920
- Number of buys
- 54
- Number of sells
- 61
Quarterly Holders Quick Answers
What is CUSIP 682143102?
CUSIP 682143102 identifies OMER - OMEROS CORP - COMMON STOCK in SEC institutional holdings data.
Need full ownership history?
Open the full security ownership history page.
Next holder-history checks
These links keep the next click tied to holder verification, nearby quarters, or outside-13F ownership context.
- Back to full security ownership history for the broader multi-quarter picture.
- Latest 13F filings for newly reported positions across managers.
- Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
- SEC investors directory for manager drilldown.
Explore More Reporting Periods
Jump to adjacent filing periods for faster comparison and easier crawl discovery.
Recent filing periods for CUSIP 682143102:
Top shareholders of OMER - OMEROS CORP - COMMON STOCK (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
|
Company |
6%
|
4,298,773
|
$42,471,877 | — | 31 Dec 2024 | |
| INGALLS & SNYDER LLC |
13F
|
Company |
5.5%
|
4,007,868
|
$39,598,000 | — | 31 Dec 2024 | |
| VANGUARD GROUP INC |
13F
|
Company |
4.4%
|
3,141,657
|
$31,039,571 | — | 31 Dec 2024 | |
| D. E. Shaw & Co., Inc. |
13F
|
Company |
2.5%
|
1,838,898
|
$18,168,312 | — | 31 Dec 2024 | |
| STIFEL FINANCIAL CORP |
13F
|
Company |
2.2%
|
1,581,205
|
$15,622,307 | — | 31 Dec 2024 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
1.9%
|
1,339,431
|
$13,237,031 | — | 31 Dec 2024 | |
| STATE STREET CORP |
13F
|
Company |
1.7%
|
1,211,568
|
$11,970,292 | — | 31 Dec 2024 | |
| UBS Group AG |
13F
|
Company |
1.2%
|
849,187
|
$8,389,968 | — | 31 Dec 2024 | |
| NOMURA HOLDINGS INC |
13F
|
Company |
1%
|
747,281
|
$7,383,136 | — | 31 Dec 2024 | |
| Corient Private Wealth LLC |
13F
|
Company |
1%
|
733,449
|
$7,246,476 | — | 31 Dec 2024 | |
| BANK OF MONTREAL /CAN/ |
13F
|
Company |
0.78%
|
563,095
|
$5,563,379 | — | 31 Dec 2024 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.71%
|
509,640
|
$5,035,243 | — | 31 Dec 2024 | |
| ROYAL BANK OF CANADA |
13F
|
Company |
0.69%
|
500,045
|
$4,940,000 | — | 31 Dec 2024 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.66%
|
475,526
|
$4,698,197 | — | 31 Dec 2024 | |
| MORGAN STANLEY |
13F
|
Company |
0.46%
|
333,882
|
$3,298,754 | — | 31 Dec 2024 | |
| Cormorant Asset Management, LP |
13F
|
Company |
0.42%
|
300,000
|
$2,964,000 | — | 31 Dec 2024 | |
| Badgley Phelps Wealth Managers, LLC |
13F
|
Company |
0.34%
|
245,734
|
$2,427,852 | — | 31 Dec 2024 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.29%
|
211,600
|
$2,090,608 | — | 31 Dec 2024 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
0.23%
|
162,991
|
$1,610,351 | — | 31 Dec 2024 | |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.21%
|
155,100
|
$1,532,388 | — | 31 Dec 2024 | |
| SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC |
13F
|
Company |
0.21%
|
150,557
|
$1,487,503 | — | 31 Dec 2024 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.2%
|
147,741
|
$1,459,683 | — | 31 Dec 2024 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
0.2%
|
145,006
|
$1,432,659 | — | 31 Dec 2024 | |
| AMERIPRISE FINANCIAL INC |
13F
|
Company |
0.17%
|
120,493
|
$1,190,471 | — | 31 Dec 2024 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.17%
|
119,264
|
$1,178,329 | — | 31 Dec 2024 | |
| Connor, Clark & Lunn Investment Management Ltd. |
13F
|
Company |
0.16%
|
113,326
|
$1,119,661 | — | 31 Dec 2024 | |
| RHUMBLINE ADVISERS |
13F
|
Company |
0.15%
|
108,223
|
$1,069,231 | — | 31 Dec 2024 | |
| SIMPLEX TRADING, LLC |
13F
|
Company |
0.14%
|
104,606
|
$1,033,000 | — | 31 Dec 2024 | |
| JACOBS LEVY EQUITY MANAGEMENT, INC |
13F
|
Company |
0.14%
|
104,538
|
$1,032,835 | — | 31 Dec 2024 | |
| BARCLAYS PLC |
13F
|
Company |
0.14%
|
103,726
|
$1,024,814 | — | 31 Dec 2024 | |
| Nuveen Asset Management, LLC |
13F
|
Company |
0.14%
|
102,921
|
$1,016,859 | — | 31 Dec 2024 | |
| GROUP ONE TRADING LLC |
13F
|
Company |
0.13%
|
97,317
|
$961,492 | — | 31 Dec 2024 | |
| Sculptor Capital LP |
13F
|
Company |
0.13%
|
94,000
|
$928,720 | — | 31 Dec 2024 | |
| Ancora Advisors LLC |
13F
|
Company |
0.12%
|
85,800
|
$847,704 | — | 31 Dec 2024 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
0.12%
|
85,671
|
$846,429 | — | 31 Dec 2024 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
0.11%
|
76,123
|
$752,095 | — | 31 Dec 2024 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.1%
|
72,825
|
$719,511 | — | 31 Dec 2024 | |
| AMERICAN FINANCIAL GROUP INC |
13F
|
Company |
0.09%
|
64,113
|
$633,436 | — | 31 Dec 2024 | |
| MINDSET WEALTH MANAGEMENT, LLC |
13F
|
Company |
0.09%
|
63,000
|
$622,440 | — | 31 Dec 2024 | |
| HighTower Advisors, LLC |
13F
|
Company |
0.08%
|
59,339
|
$586,269 | — | 31 Dec 2024 | |
| ALLIANCEBERNSTEIN L.P. |
13F
|
Company |
0.07%
|
50,990
|
$503,781 | — | 31 Dec 2024 | |
| MARSHALL WACE, LLP |
13F
|
Company |
0.06%
|
44,205
|
$436,745 | — | 31 Dec 2024 | |
| CITIGROUP INC |
13F
|
Company |
0.06%
|
44,175
|
$436,450 | — | 31 Dec 2024 | |
| DEUTSCHE BANK AG\ |
13F
|
Company |
0.06%
|
40,046
|
$395,654 | — | 31 Dec 2024 | |
| Stordahl Capital Management, Inc. |
13F
|
Company |
0.06%
|
40,000
|
$395,200 | — | 31 Dec 2024 | |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
|
Company |
0.05%
|
39,582
|
$392,000 | — | 31 Dec 2024 | |
| AQR CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.05%
|
39,192
|
$387,217 | — | 31 Dec 2024 | |
| TWO SIGMA ADVISERS, LP |
13F
|
Company |
0.05%
|
38,800
|
$383,344 | — | 31 Dec 2024 | |
| STATE OF WISCONSIN INVESTMENT BOARD |
13F
|
Company |
0.05%
|
37,760
|
$373,069 | — | 31 Dec 2024 | |
| COMERICA BANK |
13F
|
Company |
0.05%
|
35,000
|
$345,800 | — | 31 Dec 2024 |
Institutional Holders of OMEROS CORP - COMMON STOCK (OMER) as of Q1 2025
As of 31 Mar 2025,
OMEROS CORP - COMMON STOCK (OMER) was held by
136 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
27,567,515 shares.
The largest 10 holders included
BlackRock, Inc., INGALLS & SNYDER LLC, VANGUARD GROUP INC, D. E. Shaw & Co., Inc., STIFEL FINANCIAL CORP, GEODE CAPITAL MANAGEMENT, LLC, STATE STREET CORP, MORGAN STANLEY, Corient Private Wealth LLC, and NOMURA HOLDINGS INC.
This page lists
136
institutional shareholders reporting positions in this security
for the Q1 2025 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q1 2025 vs Q4 2024 Across Filers
Q4 2024 holders
128
Q1 2025 holders
136
Holder diff
8
| Investor | Q4 2024 Shares | Q1 2025 Shares | Share Diff | Share Chg % | Q4 2024 Value $ | Q1 2025 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
An asterisk sign (*) next to the price indicates that the price is likely invalid.