JANE STREET GROUP, LLC

Position in OMER — Omeros Corp

CIK 1595888 NEW YORK, NY

Back to OMER Full portfolio

Position in OMER

as of Mar 31, 2026 · filed May 12, 2026 Compact

Position Value

$1,534,441

-$6,430,584 QoQ

Shares Held

145,307

-68.7% QoQ

Ownership

0.201%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

23 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in OMER Over Time

Shares Held

Position Value (USD)

Derivatives in OMER

reported options exposure · as of Mar 31, 2026

CallValue

$1,293,600

CallShares

122,500

PutValue

$887,040

PutShares

84,000

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Biotechnology

Healthcare · as of Mar 31, 2026

JANE STREET GROUP, LLC holds $1,255,284,514 across 317 Biotechnology names. OMER ranks #100 (0.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	BBIO	BridgeBio Pharma, Inc.	1,757,672	$130,524,721
2	RPRX	Royalty Pharma plc	2,400,382	$115,146,324
3	TGTX	Tg Therapeutics, Inc.	2,041,669	$67,824,242
4	VRTX	Vertex Pharmaceuticals Inc / Ma	122,946	$54,900,305
5	HALO	Halozyme Therapeutics, Inc.	831,707	$53,753,223
6	EXEL	Exelixis, Inc.	1,087,030	$46,622,715
7	JAZZ	Jazz Pharmaceuticals plc	223,615	$42,274,415
8	BNTX	BioNTech SE	336,757	$29,930,962

All Filings in OMER

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50 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$887,040	84,000	-31.4%	Put	Defined	2026-05-12
2026-03-31	$1,293,600	122,500	-15.7%	Call	Defined	2026-05-12
2026-03-31	$1,534,441	145,307	-15.1%	Shares	Defined	2026-05-12
2025-12-31	$2,939,498	171,100	+56.3%	Put	Defined	2026-02-12
2025-12-31	$1,881,210	109,500	-76.4%	Call	Defined	2026-02-12
2025-12-31	$7,965,025	463,622	+3142.1%	Shares	Defined	2026-02-12
2025-09-30	$58,630	14,300	-62.2%	Call	Defined	2025-11-14
2025-09-30	$154,980	37,800	-86.6%	Put	Defined	2025-11-14
2025-09-30	$1,152,456	281,087	+229.2%	Shares	Defined	2025-11-14
2025-06-30	$256,146	85,382	+82.1%	Shares	Defined	2025-08-14
2025-03-31	$385,518	46,900	-39.9%	Call	Defined	2025-05-19
2025-03-31	$641,160	78,000	-44.7%	Put	Defined	2025-05-19
2025-03-31	$1,159,841	141,100	-2.7%	Shares	Defined	2025-05-19
2024-12-31	$1,432,658	145,006	+115.5%	Shares	Defined	2025-02-14
2024-12-31	$664,924	67,300	-68.7%	Put	Defined	2025-02-14
2024-12-31	$2,125,188	215,100	+269.1%	Call	Defined	2025-02-14
2024-09-30	$231,358	58,277	+15.9%	Shares	Defined	2024-11-15
2024-06-30	$204,084	50,267	+286.3%	Shares	Defined	2024-08-15
2024-03-31	$44,887	13,011	-80.3%	Shares	Defined	2024-05-16
2023-12-31	$215,737	65,975	+18.7%	Shares	Defined	2024-02-15
2023-09-30	$162,243	55,563	-81.3%	Shares	Defined	2023-11-15
2023-03-31	$1,380,631	296,910	+1991.8%	Shares	Defined	2023-05-16
2022-09-30	$44,711	14,194	-66.5%	Shares	Defined	2022-11-15
2022-06-30	$116,382	42,321	+164.5%	Shares	Defined	2022-08-16
2022-03-31	$96,160	16,000	-23.8%	Call	Defined	2022-05-17
2022-03-31	$126,210	21,000	-38.5%	Put	Defined	2022-05-17
2022-03-31	$205,126	34,131	-37.0%	Shares	Defined	2022-05-17
2021-12-31	$348,506	54,200	-65.5%	Call	Defined	2022-02-15
2021-12-31	$1,009,510	157,000	-12.0%	Put	Defined	2022-02-15
2021-12-31	$1,146,784	178,349	+71.7%	Shares	Defined	2022-02-15
2021-09-30	$1,432,781	103,900	-41.6%	Call	Defined	2021-11-16
2021-09-30	$2,454,620	178,000	-12.9%	Put	Defined	2021-11-16
2021-09-30	$2,818,399	204,380	+72.6%	Shares	Defined	2021-11-16
2021-06-30	$1,757,056	118,400	-28.7%	Call	Defined	2021-08-16
2021-06-30	$2,463,440	166,000	+17.7%	Put	Defined	2021-08-16
2021-06-30	$2,093,834	141,094	+218.8%	Shares	Defined	2021-08-16
2021-03-31	$787,827	44,260	-18.0%	Shares	Defined	2021-05-18
2021-03-31	$961,200	54,000	+33.3%	Put	Defined	2021-05-18
2021-03-31	$720,900	40,500	-80.0%	Call	Defined	2021-05-18
2020-12-31	$2,899,940	202,935	+115.9%	Shares	Defined	2021-02-17
2020-12-31	$1,343,260	94,000	+112.7%	Put	Defined	2021-02-17
2020-12-31	$631,618	44,200	-85.5%	Call	Defined	2021-02-17
2020-09-30	$3,088,605	305,500	+63.3%	Call	Defined	2020-11-17
2020-09-30	$1,891,742	187,116	+72.1%	Shares	Defined	2020-11-17
2020-09-30	$1,098,957	108,700	+99.8%	Put	Defined	2020-11-17
2020-06-30	$800,768	54,400	+331.7%	Call	Defined	2020-08-17
2020-06-30	$185,472	12,600	-57.7%	Put	Defined	2020-08-17
2020-06-30	$438,963	29,821	-13.8%	Shares	Defined	2020-08-17
2020-03-31	$462,602	34,600	+174.6%	Call	Defined	2020-05-15
2020-03-31	$168,462	12,600	—	Put	Defined	2020-05-15
No filing history on record for this holder in this stock.