Omeros Ownership | Who Owns Omeros?

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Omeros Ownership Summary

Omeros is owned by 23.90% institutional investors, 4.47% insiders, and 71.63% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 7.42% of OMER shares. Vanguard US Total Market Shares ETF is the top mutual fund, with 3.24% of its assets in Omeros shares.

OMER Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Omeros	23.90%	4.47%	71.63%
Sector	Healthcare Stocks	57.39%	9.93%	32.68%
Industry	Biotech Stocks	68.48%	9.65%	21.87%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Blackrock funding, inc. /de	4.30M	7.42%	$42.47M
Blackrock	4.10M	6.98%	$16.65M
Ingalls & snyder	4.01M	6.92%	$39.60M
Vanguard group	3.14M	5.42%	$31.04M
D. e. shaw	1.84M	3.17%	$18.17M
Stifel financial	1.58M	2.73%	$15.62M
Geode capital management	1.34M	2.31%	$13.24M
State street	1.22M	2.08%	$4.96M
Ubs group	849.19K	1.47%	$8.39M
Nomura	747.28K	1.29%	$7.38M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Ingalls & snyder	4.01M	1.55%	$39.60M
American financial group	64.11K	0.29%	$633.44K
Cormorant asset management, lp	300.00K	0.16%	$2.96M
Stordahl capital management	40.00K	0.09%	$395.20K
Breakwater investment management	17.05K	0.07%	$168.44K
Badgley phelps wealth managers	245.73K	0.06%	$2.43M
Cypress capital group	34.80K	0.04%	$343.82K
Quest partners	28.89K	0.04%	$285.47K
Richards, merrill & peterson	6.90K	0.04%	$68.17K
Bridgeway capital management	155.10K	0.03%	$1.53M

Top Buyers

Holder	Shares	% Assets	Change
Nomura	747.28K	0.01%	430.93K
Ubs group	849.19K	0.00%	399.11K
Cormorant asset management, lp	300.00K	0.16%	300.00K
D. e. shaw	1.84M	0.01%	233.66K
Badgley phelps wealth managers	245.73K	0.06%	187.18K

Top Sellers

Holder	Shares	% Assets	Change
Ingalls & snyder	4.01M	1.55%	-531.55K
Stifel financial	1.58M	0.02%	-323.00K
First trust advisors lp	-	-	-162.80K
Vanguard group	3.14M	0.00%	-117.94K
Blackrock	4.10M	0.00%	-109.54K

New Positions

Holder	Shares	% Assets	Change	Value
Cormorant asset management, lp	300.00K	0.16%	300.00K	$2.96M
Susquehanna fundamental investments	150.56K	0.02%	150.56K	$1.49M
Connor, clark & lunn investment management	113.33K	0.01%	113.33K	$1.12M
Walleye capital	46.79K	0.00%	46.79K	$189.98K
Marshall wace, llp	44.20K	0.00%	44.20K	$436.75K

Sold Out

Holder	Change
Newedge advisors	-2.00
Nelson, van denburg & campbell wealth management group	-11.00
Capital performance advisors llp	-36.00
Sugar maple asset management	-250.00
Bellevue asset management	-511.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Dec 31, 2024	49	-58.47%	13,849,257	-44.67%	23	1.28%	28	-36.36%	9	-73.53%
Sep 30, 2024	117	3.54%	25,017,088	0.26%	43	2.40%	44	10.00%	34	-
Jun 30, 2024	113	6.60%	24,952,412	-1.93%	42	2.58%	40	-9.09%	34	6.25%
Mar 31, 2024	106	0.95%	25,442,709	2.04%	40	2.58%	44	15.79%	32	-8.57%
Dec 31, 2023	105	-6.25%	24,934,580	-7.52%	39	2.15%	38	-17.39%	35	40.00%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard US Total Market Shares ETF	1.88M	3.24%	-
Vanguard Total Stock Mkt Idx Inv	1.73M	2.99%	-
iShares Russell 2000 ETF	1.49M	2.56%	5.89K
Vanguard Institutional Extnd Mkt Idx Tr	901.16K	1.56%	1.43K
Fidelity Small Cap Index	555.33K	0.96%	-10.40K
State St Russell Sm/Mid Cp® Indx NL Cl C	364.98K	0.63%	-
State St Russell Sm/Mid Cp® Indx SL Cl I	350.18K	0.60%	-14.80K
iShares Russell 2000 Value ETF	345.82K	0.60%	-
Fidelity Extended Market Index	315.25K	0.54%	828.00
Schwab US Small-Cap ETF™	267.31K	0.46%	950.00

Recent Insider Transactions

Date	Name	Role	Activity	Value
Nov 17, 2023	Demopulos Gregory A MD	Chairman, CEO & President	Buy	$25.20K
Nov 15, 2023	Demopulos Peter A MD	-	Buy	$15.30K
May 22, 2023	HANISH ARNOLD C	-	Sell	$32.30K
May 22, 2023	Cable Thomas J.	-	Sell	$32.65K
Jun 15, 2021	Demopulos Gregory A MD	CHAIRMAN, CEO & PRESIDENT	Sell	$553.58K

Insider Transactions Trends

Date	Buy	Sell
2024 Q2	-	-
2023 Q4	2	-
2023 Q3	-	-
2023 Q2	-	2
2022 Q3	-	-

OMER Ownership FAQ

Who Owns Omeros?

Omeros shareholders are primarily institutional investors at 23.90%, followed by 4.47% insiders and 71.63% retail investors. The average institutional ownership in Omeros's industry, Biotech Stocks , is 68.48%, which Omeros falls below.

Who owns the most shares of Omeros?

Omeros’s largest shareholders are Blackrock funding, inc. /de (4.3M shares, 7.42%), Blackrock (4.1M shares, 6.98%), and Ingalls & snyder (4.01M shares, 6.92%). Together, they hold 21.31% of Omeros’s total shares outstanding.

Does Blackrock own Omeros?

Yes, BlackRock owns 6.98% of Omeros, totaling 4.1M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 16.65M$. In the last quarter, BlackRock decreased its holdings by -110K shares, a -2.60% change.

Who is Omeros’s biggest shareholder by percentage of total assets invested?

Ingalls & snyder is Omeros’s biggest shareholder by percentage of total assets invested, with 1.55% of its assets in 4.01M Omeros shares, valued at 39.6M$.

Who is the top mutual fund holder of Omeros shares?

Vanguard US Total Market Shares ETF is the top mutual fund holder of Omeros shares, with 3.24% of its total shares outstanding invested in 1.88M Omeros shares.

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