What does CUSIP 682143102 represent in this 13F holders report?

CUSIP 682143102 is the security identifier for OMER - OMEROS CORP - Common Stock used to aggregate holder disclosures.

How many institutions held OMER - OMEROS CORP - Common Stock in Q4 2018?

118 institutional investors reported OMER - OMEROS CORP - Common Stock for Q4 2018. Use the holders table for investor-level position and value details.

OMEROS CORP - Common Stock (OMER)

CUSIP: 682143102

Q4 2018 13F Holders as of 31 Dec 2018

Type / Class: Equity / Common Stock
Shares outstanding: 70,906,625
Total 13F shares: 24,098,231
Share change: +765,716
Total reported value: $268,536,926
Put/Call ratio: 73%
Price per share: $11.14
Number of holders: 118
Value change: -$12,225,923
Number of buys: 58
Number of sells: 46

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.

Related Filing Research

Latest 13F filings for newly reported positions.
Latest Schedule 13D/13G reports for ownership changes outside 13F cadence.
Latest 10-Q/10-K reports for financial context tied to this issuer.
Recent insider transactions for executive and insider activity.
SEC investors directory and top value investors for manager drilldown.
Back to full security ownership history.

Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q1 2019
Previous quarter: Q3 2018

Recent filing periods for CUSIP 682143102:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

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
INGALLS & SNYDER LLC	13F	Company	7.4%	5,262,937	$128,468,000	—	30 Sep 2018	13F
BlackRock Finance, Inc.	13F	Company	5.6%	3,957,936	$96,614,000	—	30 Sep 2018	13F
VANGUARD GROUP INC	13F	Company	3.1%	2,204,427	$53,810,000	—	30 Sep 2018	13F
D. E. Shaw & Co., Inc.	13F	Company	1.8%	1,279,404	$31,230,000	—	30 Sep 2018	13F
STATE STREET CORP	13F	Company	1.5%	1,055,585	$25,770,000	—	30 Sep 2018	13F
Cormorant Asset Management, LP	13F	Company	1.4%	1,000,000	$24,410,000	—	30 Sep 2018	13F
CPWM, LLC	13F	Company	1.1%	794,957	$19,405,000	—	30 Sep 2018	13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP	13F	Company	0.97%	685,876	$16,742,000	—	30 Sep 2018	13F
NORTHERN TRUST CORP	13F	Company	0.89%	628,355	$15,338,000	—	30 Sep 2018	13F
CITADEL ADVISORS LLC	13F	Company	0.73%	515,279	$12,578,000	—	30 Sep 2018	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.68%	480,658	$11,732,000	—	30 Sep 2018	13F
STIFEL FINANCIAL CORP	13F	Company	0.66%	468,017	$11,424,000	—	30 Sep 2018	13F
UBS Group AG	13F	Company	0.54%	382,636	$9,340,000	—	30 Sep 2018	13F
Foresite Capital Management IV, LLC	13F	Company	0.5%	356,000	$8,690,000	—	30 Sep 2018	13F
AMERICAN FINANCIAL GROUP INC	13F	Company	0.48%	340,284	$8,307,000	—	30 Sep 2018	13F
MORGAN STANLEY	13F	Company	0.4%	283,507	$6,920,000	—	30 Sep 2018	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.36%	252,269	$6,158,000	—	30 Sep 2018	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.34%	244,374	$5,965,000	—	30 Sep 2018	13F
Bank of New York Mellon Corp	13F	Company	0.3%	214,138	$5,227,000	—	30 Sep 2018	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.17%	117,755	$2,874,000	—	30 Sep 2018	13F
TEACHERS ADVISORS, LLC	13F	Company	0.16%	116,400	$2,841,000	—	30 Sep 2018	13F
DEUTSCHE BANK AG\	13F	Company	0.16%	110,648	$2,701,000	—	30 Sep 2018	13F
Capital Impact Advisors, LLC	13F	Company	0.14%	95,755	$2,357,000	—	30 Sep 2018	13F
UNITED CAPITAL FINANCIAL ADVISORS, LLC	13F	Company	0.13%	93,768	$2,289,000	—	30 Sep 2018	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.13%	89,639	$2,188,000	—	30 Sep 2018	13F
Sculptor Capital LP	13F	Company	0.12%	87,400	$2,133,000	—	30 Sep 2018	13F
ALPS ADVISORS INC	13F	Company	0.12%	85,934	$2,098,000	—	30 Sep 2018	13F
Swiss National Bank	13F	Company	0.11%	79,100	$1,931,000	—	30 Sep 2018	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.1%	74,050	$1,809,000	—	30 Sep 2018	13F
Allianz Asset Management GmbH	13F	Company	0.1%	73,815	$1,802,000	—	30 Sep 2018	13F
D.A. DAVIDSON & CO.	13F	Company	0.1%	73,100	$1,784,000	—	30 Sep 2018	13F
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	13F	Company	0.1%	70,104	$1,711,000	—	30 Sep 2018	13F
ALLIANCEBERNSTEIN L.P.	13F	Company	0.1%	70,100	$1,711,000	—	30 Sep 2018	13F
Caprock Group, LLC	13F	Company	0.09%	65,934	$1,609,000	—	30 Sep 2018	13F
Capital Analysts, LLC	13F	Company	0.09%	62,275	$1,520,000	—	30 Sep 2018	13F
NISA INVESTMENT ADVISORS, LLC	13F	Company	0.08%	60,260	$1,471,000	—	30 Sep 2018	13F
DAVENPORT & Co LLC	13F	Company	0.08%	54,450	$1,329,000	—	30 Sep 2018	13F
NEW YORK STATE COMMON RETIREMENT FUND	13F	Company	0.07%	49,400	$1,206,000	—	30 Sep 2018	13F
MANUFACTURERS LIFE INSURANCE COMPANY, THE	13F	Company	0.07%	48,204	$1,177,000	—	30 Sep 2018	13F
RAYMOND JAMES & ASSOCIATES	13F	Company	0.07%	47,300	$1,155,000	—	30 Sep 2018	13F
STATE OF WISCONSIN INVESTMENT BOARD	13F	Company	0.07%	46,700	$1,140,000	—	30 Sep 2018	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	0.07%	46,200	$1,128,000	—	30 Sep 2018	13F
GROUP ONE TRADING LLC	13F	Company	0.06%	45,339	$1,107,000	—	30 Sep 2018	13F
BARCLAYS PLC	13F	Company	0.06%	45,202	$1,103,000	—	30 Sep 2018	13F
RHUMBLINE ADVISERS	13F	Company	0.06%	41,696	$1,018,000	—	30 Sep 2018	13F
BANK OF MONTREAL /CAN/	13F	Company	0.06%	41,674	$1,017,000	—	30 Sep 2018	13F
SIMPLEX TRADING, LLC	13F	Company	0.06%	40,787	$995,000	—	30 Sep 2018	13F
VIRTUS ADVISERS, LLC	13F	Company	0.06%	39,755	$970,000	—	30 Sep 2018	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.06%	39,139	$955,000	—	30 Sep 2018	13F
CREDIT SUISSE AG/	13F	Company	0.05%	37,994	$927,000	—	30 Sep 2018	13F

Institutional Holders of OMEROS CORP - Common Stock (OMER) as of Q4 2018

As of 31 Dec 2018, OMEROS CORP - Common Stock (OMER) was held by 118 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 24,098,231 shares. The largest 10 holders included INGALLS & SNYDER LLC, BlackRock Inc., Vanguard Group Inc, D. E. Shaw & Co., Inc., STATE STREET CORP, MILLENNIUM MANAGEMENT LLC, CPWM, LLC, ROYAL BANK OF CANADA, NORTHERN TRUST CORP, and GEODE CAPITAL MANAGEMENT, LLC. This page lists 118 institutional shareholders reporting positions in this security for the Q4 2018 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q4 2018 vs Q3 2018 Across Filers

Q3 2018 holders

123

Q4 2018 holders

118

Holder diff

-5

Investor	Q3 2018 Shares	Q4 2018 Shares	Share Diff	Share Chg %	Q3 2018 Value $	Q4 2018 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.