On this page, we present all of the funds holding OMER from our database of 13F filers, detailed in the table below. The first column indicates the name of each of the funds holding OMER, with a link to that fund's top holdings. The next columns indicate the amount of OMER stock held by each of the funds holding OMER, followed by the OMER position size held by the fund, and lastly the date of the quarterly filing period the data represents. In total, we count 104 funds holding OMER within the last two filing periods in our coverage universe of 13F filers, with the largest position size having been reported by Highbridge Capital Management LLC. For more details on the positions held by Highbridge Capital Management LLC (or by any of the other funds holding OMER), click the fund name in the "Holder" column of the funds-holding-OMER table below.

Holder	Amount	Position Size ($ in 1000's)	As of
Highbridge Capital Management LLC		$27,388	12/31/2023
BOND	45,083,000	$27,388	12/31/2023
Ingalls & Snyder LLC		$15,270	12/31/2023
OMER	4,546,762	$14,868	12/31/2023
NOTE 5	614,000	$369	12/31/2023
Call	10,000	$33	12/31/2023
D. E. Shaw & Co. Inc.		$14,061	12/31/2023
NOTE	14,880,000	$9,181	12/31/2023
OMER	1,492,303	$4,880	12/31/2023
BlackRock Inc.	4,279,836	$13,995	12/31/2023
OMER	4,279,836	$13,995	12/31/2023
DeepCurrents Investment Group LLC		$12,031	12/31/2023
NOTE 5	20,209,000	$11,997	12/31/2023
OMER	10,427	$34	12/31/2023
Vanguard Group Inc.	3,168,936	$10,362	12/31/2023
OMER	3,168,936	$10,362	12/31/2023
Whitebox Advisors LLC		$7,517	12/31/2023
NOTE 5	12,634,000	$7,517	12/31/2023
Context Capital Management LLC		$7,200	12/31/2023
NOTE 5	12,000,000	$7,200	12/31/2023
Stifel Financial Corp	1,890,674	$6,183	12/31/2023
OMER	1,890,674	$6,183	12/31/2023
Geode Capital Management LLC	1,338,713	$4,378	12/31/2023
OMER	1,338,713	$4,378	12/31/2023
State Street Corp	1,200,928	$3,927	12/31/2023
OMER	1,200,928	$3,927	12/31/2023
Wells Fargo & Company MN		$3,753	12/31/2023
NOTE 5	6,064,000	$3,684	12/31/2023
OMER	21,154	$69	12/31/2023
Affinity Asset Advisors LLC		$3,600	12/31/2023
NOTE 5	6,000,000	$3,600	12/31/2023
Verition Fund Management LLC		$3,498	12/31/2023
NOTE 5	5,774	$3,464	12/31/2023
OMER	10,427	$34	12/31/2023
Sonora Investment Management Group LLC		$3,235	12/31/2023
NOTE 5	5,159,000	$3,197	12/31/2023
OMER	11,545	$38	12/31/2023
Capstone Investment Advisors LLC		$2,776	12/31/2023
NOTE 5	5,160,000	$3,096	12/31/2023
Put	97,900	$320	12/31/2023
CI Private Wealth LLC	663,663	$2,170	12/31/2023
OMER	663,663	$2,170	12/31/2023
Bank of Montreal Can	563,096	$1,982	12/31/2023
OMER	563,096	$1,982	12/31/2023
Northern Trust Corp	559,052	$1,828	12/31/2023
OMER	559,052	$1,828	12/31/2023
Royal Bank of Canada	508,940	$1,664	12/31/2023
OMER	508,940	$1,664	12/31/2023
UBS Group AG	494,546	$1,617	12/31/2023
OMER	494,546	$1,617	12/31/2023
Charles Schwab Investment Management Inc.	469,174	$1,534	12/31/2023
OMER	469,174	$1,534	12/31/2023
Nomura Holdings Inc.	383,144	$1,253	12/31/2023
OMER	383,144	$1,253	12/31/2023
Walleye Capital LLC		$1,200	12/31/2023
NOTE 5	2,000,000	$1,200	12/31/2023
Morgan Stanley	282,405	$923	12/31/2023
OMER	282,405	$923	12/31/2023
Group One Trading L.P.		$715	12/31/2023
OMER	230,853	$755	12/31/2023
Put	33,800	$111	12/31/2023
Call	21,700	$71	12/31/2023
Bank of New York Mellon Corp	202,314	$662	12/31/2023
OMER	202,314	$662	12/31/2023
Bridgeway Capital Management Inc.	186,300	$609	12/31/2023
OMER	186,300	$609	12/31/2023
HN Saltoro Capital LP		$600	12/31/2023
NOTE 5	1,000,000	$600	12/31/2023
Bank of America Corp DE		$566	12/31/2023
OMER	170,211	$557	12/31/2023
NOTE 5	15,000	$9	12/31/2023
First Trust Advisors LP	172,755	$565	12/31/2023
OMER	172,755	$565	12/31/2023
Susquehanna International Group LLP		$540	12/31/2023
OMER	113,704	$372	12/31/2023
Call	70,100	$229	12/31/2023
Put	18,600	$61	12/31/2023
Ancora Advisors LLC	163,023	$533	12/31/2023
OMER	163,023	$533	12/31/2023
Barclays PLC	118,467	$387	12/31/2023
OMER	118,467	$387	12/31/2023
Ameriprise Financial Inc.	116,716	$382	12/31/2023
OMER	116,716	$382	12/31/2023
Rhumbline Advisers	109,083	$357	12/31/2023
OMER	109,083	$357	12/31/2023
Badgley Phelps Wealth Managers LLC	78,556	$257	12/31/2023
OMER	78,556	$257	12/31/2023
Citadel Advisors LLC		$250	12/31/2023
Call	88,500	$289	12/31/2023
Put	64,500	$211	12/31/2023
OMER	52,713	$172	12/31/2023
Jane Street Group LLC	65,975	$216	12/31/2023
OMER	65,975	$216	12/31/2023
American Financial Group Inc.	64,113	$210	12/31/2023
OMER	64,113	$210	12/31/2023
CAPROCK Group Inc.	60,812	$199	12/31/2023
OMER	60,812	$199	12/31/2023
Sheaff Brock Investment Advisors LLC	60,125	$197	12/31/2023
OMER	60,125	$197	12/31/2023
HighTower Advisors LLC	56,339	$184	12/31/2023
OMER	56,339	$184	12/31/2023
Cypress Capital Group	55,000	$180	12/31/2023
OMER	55,000	$180	12/31/2023
Two Sigma Investments LP	47,600	$156	12/31/2023
OMER	47,600	$156	12/31/2023
Invesco Ltd.	42,390	$139	12/31/2023
OMER	42,390	$139	12/31/2023
Goldman Sachs Group Inc.	41,857	$137	12/31/2023
OMER	41,857	$137	12/31/2023
JPMorgan Chase & Co.	41,315	$135	12/31/2023
OMER	41,315	$135	12/31/2023
Squarepoint Ops LLC	37,512	$123	12/31/2023
OMER	37,512	$123	12/31/2023
Brighton Jones LLC	33,516	$110	12/31/2023
OMER	33,516	$110	12/31/2023
Price T Rowe Associates Inc. MD	32,933	$108	12/31/2023
OMER	32,933	$108	12/31/2023
MetLife Investment Management LLC	32,266	$106	12/31/2023
OMER	32,266	$106	12/31/2023
SG Americas Securities LLC	30,438	$100	12/31/2023
OMER	30,438	$100	12/31/2023
American International Group Inc.	30,260	$99	12/31/2023
OMER	30,260	$99	12/31/2023
Empirical Financial Services LLC d.b.a. Empirical Wealth Management	30,000	$98	12/31/2023
OMER	30,000	$98	12/31/2023
Deutsche Bank AG	29,460	$96	12/31/2023
OMER	29,460	$96	12/31/2023
Virtu Financial LLC	29,074	$95	12/31/2023
OMER	29,074	$95	12/31/2023
Coldstream Capital Management Inc.	28,130	$92	12/31/2023
OMER	28,130	$92	12/31/2023
Rocky Mountain Advisers LLC	26,800	$88	12/31/2023
OMER	26,800	$88	12/31/2023
Comerica Bank	25,000	$82	12/31/2023
OMER	25,000	$82	12/31/2023
The Manufacturers Life Insurance Company	25,138	$82	12/31/2023
OMER	25,138	$82	12/31/2023
New York State Common Retirement Fund	24,320	$80	12/31/2023
OMER	24,320	$80	12/31/2023
Voya Investment Management LLC	24,345	$80	12/31/2023
OMER	24,345	$80	12/31/2023
Hohimer Wealth Management LLC	22,530	$74	12/31/2023
OMER	22,530	$74	12/31/2023
Cerity Partners LLC	21,850	$71	12/31/2023
OMER	21,850	$71	12/31/2023
Two Sigma Advisers LP	21,100	$69	12/31/2023
OMER	21,100	$69	12/31/2023
State Board of Administration of Florida Retirement System	17,430	$57	12/31/2023
OMER	17,430	$57	12/31/2023
Acadian Asset Management LLC	17,370	$56	12/31/2023
OMER	17,370	$56	12/31/2023
BNP Paribas Arbitrage SA	17,151	$56	12/31/2023
OMER	17,151	$56	12/31/2023
XTX Topco Ltd	16,657	$54	12/31/2023
OMER	16,657	$54	12/31/2023
Engineers Gate Manager LP	15,930	$52	12/31/2023
OMER	15,930	$52	12/31/2023
Apella Capital LLC	14,288	$49	03/31/2024
OMER	14,288	$49	03/31/2024
National Asset Management Inc.	14,380	$47	12/31/2023
OMER	14,380	$47	12/31/2023
Cambridge Investment Research Advisors Inc.	14,143	$46	12/31/2023
OMER	14,143	$46	12/31/2023
Gilbert & Cook Inc.	13,750	$45	12/31/2023
OMER	13,750	$45	12/31/2023
Wolverine Trading LLC		$40	12/31/2023
Call	26,800	$88	12/31/2023
Put	14,800	$48	12/31/2023
Alliancebernstein L.P.	11,700	$38	12/31/2023
OMER	11,700	$38	12/31/2023
Raymond James & Associates	10,925	$36	12/31/2023
OMER	10,925	$36	12/31/2023
Millennium Management LLC	10,620	$35	12/31/2023
OMER	10,620	$35	12/31/2023
California State Teachers Retirement System	10,020	$33	12/31/2023
OMER	10,020	$33	12/31/2023
ProShare Advisors LLC	10,058	$33	12/31/2023
OMER	10,058	$33	12/31/2023
FMR LLC	9,332	$31	12/31/2023
OMER	9,332	$31	12/31/2023
Citigroup Inc.	8,771	$29	12/31/2023
OMER	8,771	$29	12/31/2023
Empire Life Investments Inc.	8,878	$29	12/31/2023
OMER	8,878	$29	12/31/2023
Tower Research Capital LLC TRC	8,069	$26	12/31/2023
OMER	8,069	$26	12/31/2023
Bear Mountain Capital Inc.	6,960	$24	12/31/2023
OMER	6,960	$24	12/31/2023
Amalgamated Bank	6,660	$22	12/31/2023
OMER	6,660	$22	12/31/2023
Ronald Blue Trust Inc.	6,813	$22	12/31/2023
OMER	6,813	$22	12/31/2023
Farther Finance Advisors LLC	6,000	$20	12/31/2023
OMER	6,000	$20	12/31/2023
Legal & General Group Plc	5,710	$19	12/31/2023
OMER	5,710	$19	12/31/2023
Ameritas Investment Partners Inc.	5,027	$16	12/31/2023
OMER	5,027	$16	12/31/2023
Tradition Wealth Management LLC	4,338	$14	12/31/2023
OMER	4,338	$14	12/31/2023
Creative Financial Designs Inc. ADV	3,550	$12	12/31/2023
OMER	3,550	$12	12/31/2023
Metropolitan Life Insurance Co NY	3,344	$11	12/31/2023
OMER	3,344	$11	12/31/2023
Fifth Third Bancorp	1,000	$3	12/31/2023
OMER	1,000	$3	12/31/2023
Headlands Technologies LLC	953	$3	12/31/2023
OMER	953	$3	12/31/2023
Capital Analysts LLC	1,000	$3	12/31/2023
OMER	1,000	$3	12/31/2023
Planning Capital Management Corp		$3	12/31/2023
NOTE 5	5,000	$3	12/31/2023
Bellevue Asset Management LLC	511	$2	12/31/2023
OMER	511	$2	12/31/2023
Advisor Group Holdings Inc.	435	$1	12/31/2023
OMER	435	$1	12/31/2023
Spotlight Asset Group Inc.	330	$1	12/31/2023
OMER	330	$1	12/31/2023
The PNC Financial Services Group Inc.	13	$0	12/31/2023
OMER	13	$0	12/31/2023
Proequities Inc.		$0	12/31/2023
Put	0	$0	12/31/2023
Call	0	$0	12/31/2023
OMER	0	$0	12/31/2023
NOTE 5	0	$0	12/31/2023
Larson Financial Group LLC	150	$0	12/31/2023
OMER	150	$0	12/31/2023
Truvestments Capital LLC	146	$0	12/31/2023
OMER	146	$0	12/31/2023