Who owns 682143902 - OMEROS CORP - CALL based on 13F filings?

Open this security page to review the newest available 13F ownership history, top reported holders, and period-by-period changes.

OMEROS CORP - CALL Institutional Ownership

CUSIP 682143902 is the security identifier used in SEC filing datasets for 682143902 - OMEROS CORP - CALL.

CUSIP: 682143902

Reported Shares, Excluding Options vs Price

Reported Value, Excluding Options

Total Investors

What is CUSIP 682143902?
CUSIP 682143902 identifies 682143902 - OMEROS CORP - CALL in SEC 13F datasets.

Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.

Open recent reporting periods for CUSIP 682143902:

As of 31 Dec 2025, 0 institutional investors reported holding shares of OMEROS CORP - CALL.

Period	Reported Shares, Excl. Options	Value, Excl. Options	Value Change	Calls Notional Value	Price (Median)	Investors
2025 Q4				$6,986,790	$17.18	0
2025 Q3				$1,370,170	$4.10	0
2025 Q2				$341,700	$2.99	0
2025 Q1				$1,105,158	$8.21	0
2024 Q4				$3,171,816	$9.88	0
2024 Q3				$668,812	$3.97	0
2024 Q2				$795,288	$4.05	0
2024 Q1				$754,775	$3.45	0
2023 Q4				$209,959	$3.26	0
2023 Q3				$488,156	$2.91	0
2023 Q2				$2,144,672	$5.44	0
2023 Q1				$444,575	$4.64	0
2022 Q4				$363,040	$2.26	0
2022 Q3				$1,215,000	$3.14	0
2022 Q2				$347,000	$2.74	0
2022 Q1				$789,000	$6.01	0
2021 Q4				$2,351,000	$6.43	0
2021 Q3				$7,261,000	$14.72	0
2021 Q2				$7,598,000	$14.84	0
2021 Q1				$13,990,000	$17.80	0
2020 Q4				$4,007,000	$14.28	0
2020 Q3				$2,990,000	$509.99	0
2020 Q2				$1,339,000	$742.85	0
2020 Q1				$3,088,000	$674.83	0
2019 Q4				$2,087,000	$711.44	0
2019 Q3				$2,560,000	$824.23	0
2019 Q2				$2,719,000	$792.07	0
2019 Q1				$4,137,000	$876.98	0
2018 Q4				$1,789,000	$562.41	0
2018 Q3				$4,642,000	$1231.87	0
2018 Q2				$20,217,000	$18.14	0
2018 Q1				$1,682,000	$34.86	0
2017 Q4	0	$0	-$16,215,000	$736,000	$123.12	0
2017 Q3	750,000	$16,215,000	+$16,215,000	$769,000	$21.62	1
2017 Q2				$898,000	$216.43	0
2017 Q1				$1,373,000	$172.72	0
2016 Q4				$673,000	$15.80	0
2016 Q3				$625,000	$28.31	0
2016 Q2				$1,620,000	$10.52	0
2016 Q1				$4,287,000	$135.34	0
2015 Q4				$4,272,000	$133.57	0
2015 Q3				$3,731,000	$72.61	0
2015 Q2				$1,946,000	$39.85	0
2015 Q1				$7,128,000	$101.92	0
2014 Q4				$2,777,000	$24.79	0
2014 Q3				$543,000	$12.72	0
2014 Q2				$1,803,000	$17.40	0
2014 Q1				$1,725,000	$12.08	0