Omeros Corporation (OMER) Ownership

2.91 ↑0.07 (2.29%)

As of January 31, 2023, 3:57pm EST.

Institutions
Mutual Funds

Institutional Ownership

Ingalls & Snyder LLC is the biggest individual institutional holder of Omeros Corporation (OMER), owning a total of 4.1 million shares. Combined, the top 24 institutional holders of OMER own 32.02% of the company with a total of 20.1 million shares.

In the latest ownership report on September 30th 2022, the top 24 institutional holders decreased their combined ownership of OMER by 1.3 million shares. 7 institutions bought 854,434 total additional shares and increased their ownership by an average of 141.19%. However 11 institutions sold 2,119,241 total shares and decreased their ownership by an average of 23.06%.

Overall this is a negative sign as the number of shares owned by the top 20 institutional holders of Omeros Corporation decreased by a net total of -1,264,807 in the latest quarter.

Institution Ownership Chart

Latest Institutional Ownership Changes

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
Ingalls & Snyder LLC	6.523%	-1.425%	4,091,604	-59,158	2022-09-30
Vanguard Group Inc	4.494%	3.438%	2,819,164	93,699	2022-09-30
D. E. Shaw & Co LP	3.205%	-6.868%	2,010,325	-148,256	2022-09-30
Stifel Financial Corp	2.204%	5.999%	1,382,704	78,253	2022-09-30
BlackRock Inc	1.818%	-7.109%	1,140,273	-87,271	2022-09-30
CPCM, LLC	1.143%	52.011%	716,886	245,285	2022-09-30
UBS Group AG	1.041%	-3.266%	652,743	-22,037	2022-09-30
Geode Capital Management, LLC	0.954%	-5.213%	598,549	-32,917	2022-09-30
Royal Bank of Canada	0.937%	-1.762%	587,717	-10,540	2022-09-30
Nomura Holdings Inc	0.900%	-33.274%	564,698	-281,592	2022-09-30
BMO Capital Markets Corp.	0.898%	0.000%	563,095	0	2022-09-30
Bank of Montreal	0.898%	0.000%	563,095	0	2022-09-30
Millennium Management LLC	0.806%	-58.601%	505,392	-715,390	2022-09-30
Wellington Management Company LLP	0.605%	90.196%	379,632	180,032	2022-09-30
Morgan Stanley - Brokerage Accounts	0.591%	-55.166%	370,424	-455,779	2022-09-30
Charles Schwab Investment Management Inc	0.491%	9.746%	308,239	27,373	2022-09-30
State Street Corporation	0.444%	20.913%	278,674	48,200	2022-09-30
Two Sigma Advisers, LLC	0.382%	-36.269%	239,500	-136,300	2022-09-30
Bank of America Corp	0.336%	-44.657%	210,683	-170,001	2022-09-30
Cubist Systematic Strategies, LLC	0.325%	806.001%	204,122	181,592	2022-09-30

Top Institutions

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
Ingalls & Snyder LLC	6.523%	-1.425%	4,091,604	-59,158	2022-09-30
Vanguard Group Inc	4.494%	3.438%	2,819,164	93,699	2022-09-30
D. E. Shaw & Co LP	3.205%	-6.868%	2,010,325	-148,256	2022-09-30
Stifel Financial Corp	2.204%	5.999%	1,382,704	78,253	2022-09-30
BlackRock Inc	1.818%	-7.109%	1,140,273	-87,271	2022-09-30
CPCM, LLC	1.143%	52.011%	716,886	245,285	2022-09-30
Two Sigma Investments LLC	1.097%	203.326%	687,904	461,117	2022-06-30
UBS Group AG	1.041%	-3.266%	652,743	-22,037	2022-09-30
Geode Capital Management, LLC	0.954%	-5.213%	598,549	-32,917	2022-09-30
Royal Bank of Canada	0.937%	-1.762%	587,717	-10,540	2022-09-30
Nomura Holdings Inc	0.900%	-33.274%	564,698	-281,592	2022-09-30
BMO Capital Markets Corp.	0.898%	0.000%	563,095	0	2022-09-30
Bank of Montreal	0.898%	0.000%	563,095	0	2022-09-30
Renaissance Technologies Corp	0.862%	84.060%	540,400	246,800	2022-06-30
Millennium Management LLC	0.806%	-58.601%	505,392	-715,390	2022-09-30
Citadel Advisors Llc	0.619%	57.357%	388,382	141,566	2022-06-30
Wellington Management Company LLP	0.605%	90.196%	379,632	180,032	2022-09-30
Morgan Stanley - Brokerage Accounts	0.591%	-55.166%	370,424	-455,779	2022-09-30
Charles Schwab Investment Management Inc	0.491%	9.746%	308,239	27,373	2022-09-30
Ancora Advisors LLC	0.448%	152.285%	281,202	169,740	2022-06-30
State Street Corporation	0.444%	20.913%	278,674	48,200	2022-09-30
Two Sigma Advisers, LLC	0.382%	-36.269%	239,500	-136,300	2022-09-30
Bank of America Corp	0.336%	-44.657%	210,683	-170,001	2022-09-30
Cubist Systematic Strategies, LLC	0.325%	806.001%	204,122	181,592	2022-09-30

Mutual Fund Ownership

Vanguard Total Stock Mkt Idx Inv is the biggest individual fund holder of Omeros Corporation (OMER), owning a total of 1.8 million shares. Combined, the top 22 mutual fund holders of OMER own 11.53% of the company with a total of 7.2 million shares.

In the latest ownership report on December 31st 2022, the top 22 fund holders increased their combined ownership of OMER by 376 shares. 1 funds bought 1,281 total additional shares and increased their ownership by an average of 0.14%. However 1 funds sold 905 total shares and decreased their ownership by an average of 0.73%.

Overall this is a positive sign as the number of shares owned by the top 20 mutual funds holding Omeros Corporation increased by a net total of 376 in the latest report.

Mutual Funds Chart

Latest Mutual Fund Ownership Changes

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
Vanguard Total Stock Mkt Idx Inv	2.905%	0.000%	1,822,044	0	2022-12-31
Vanguard Extended Market Index Investor	1.412%	0.145%	885,631	1,281	2022-12-31
HBM Healthcare Investments AG Ord	1.410%	0.000%	884,539	0	2022-12-31
BlackRock Extended Equity Market K	0.195%	-0.735%	122,239	-905	2022-12-31
NT Ext Equity Mkt Idx Fd - NL	0.087%	0.000%	54,274	0	2022-12-31
Vanguard Balanced Index Inv	0.079%	0.000%	49,283	0	2022-12-31
NT Ext Equity Mkt Idx Fd - L	0.074%	0.000%	46,539	0	2022-12-31

Top Mutual Funds

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
Vanguard Total Stock Mkt Idx Inv	2.905%	0.000%	1,822,044	0	2022-12-31
Vanguard Instl Ttl Stck Mkt Idx Tr	2.905%	3.980%	1,822,044	69,743	2022-09-30
Vanguard Extended Market Index Investor	1.412%	0.145%	885,631	1,281	2022-12-31
HBM Healthcare Investments AG Ord	1.410%	0.000%	884,539	0	2022-12-31
Fidelity® Extended Market Index	0.493%	0.000%	309,219	0	2022-11-30
Schwab US Small-Cap ETF™	0.418%	0.000%	262,107	0	2022-12-30
BlackRock Extended Mkt Composite	0.222%	0.000%	139,471	0	2022-09-30
iShares Micro-Cap ETF	0.200%	0.000%	125,159	0	2022-12-30
BlackRock Extended Equity Market K	0.195%	-0.735%	122,239	-905	2022-12-31
Fidelity® Total Market Index	0.163%	0.000%	102,323	0	2022-11-30
Bridgeway Ultra-Small Company Market	0.159%	0.000%	100,000	100,000	2022-09-30
Monega ARIAD Innovation R	0.149%	0.000%	93,732	93,732	2022-10-31
Jacob Discovery Fd Instl	0.140%	-4.351%	87,928	-4,000	2022-09-30
Fidelity® Series Total Market Index	0.113%	0.000%	70,557	0	2022-11-30
Wellington Emerging Companies	0.105%	71.956%	65,861	27,560	2022-09-30
iShares Core S&P Total US Stock Mkt ETF	0.091%	0.000%	57,097	0	2022-12-30
NT Ext Equity Mkt Idx Fd - NL	0.087%	0.000%	54,274	0	2022-12-31
Vanguard Balanced Index Inv	0.079%	0.000%	49,283	0	2022-12-31
Northern Trust Extended Eq Market Idx	0.074%	0.000%	46,539	0	2022-09-30
NT Ext Equity Mkt Idx Fd - L	0.074%	0.000%	46,539	0	2022-12-31
NT Ext Equity Mkt Idx Fd - DC - NL - T2	0.070%	1.353%	43,764	584	2022-09-30
Vanguard Instl Ttl Stk Mkt Idx InstlPls	0.066%	0.000%	41,682	0	2022-10-31