Latest Institutional Purchases of Omeros Corp (OMER)
This list provides information on the latest institutional transactions involving Omeros Corp (OMER) stock that were buys. The list includes the name of the institution, the number of shares exchanged, the range of values for the transaction, and the number of shares held by the institution after the purchase has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Nov 14, 2025
Q3 2025
|
Polar Asset Management Partners Inc.
Toronto, A6 |
BUY
|
- |
1.5MNew |
$4.59M - $6.71M
|
1.5M
$11.1M
|
|
|
Nov 14, 2025
Q3 2025
|
Polar Asset Management Partners Inc.
Toronto, A6 |
BUY
|
CALL |
1.37MNew |
$4.2M - $6.16M
|
1.37M
$10.2M
|
|
|
Nov 13, 2025
Q3 2025
|
Affinity Asset Advisors, LLC
New York, NY |
BUY
|
PUT |
820K+ 261.11% |
$2.51M - $3.67M
|
1.13M
$8.4M
|
|
|
Nov 14, 2025
Q3 2025
|
Morgan Stanley
New York, NY |
BUY
|
- |
634K+ 46.78% |
$1.94M - $2.84M
|
1.99M
$14.7M
|
|
|
Nov 07, 2025
Q3 2025
|
Jpmorgan Chase & CO
New York, NY |
BUY
|
- |
380K+ 1063.22% |
$1.16M - $1.7M
|
416K
$3.08M
|
|
|
Nov 14, 2025
Q3 2025
|
Caption Management, LLC
Oklahoma City, OK |
BUY
|
PUT |
325KNew |
$995K - $1.46M
|
325K
$2.41M
|
|
|
Nov 12, 2025
Q3 2025
|
Stifel Financial Corp
St. Louis, MO |
BUY
|
- |
289K+ 19.0% |
$886K - $1.3M
|
1.81M
$13.4M
|
|
|
Nov 14, 2025
Q3 2025
|
Two Sigma Investments, LP
New York, NY |
BUY
|
- |
263K+ 39.26% |
$805K - $1.18M
|
933K
$6.92M
|
|
|
Nov 14, 2025
Q3 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
BUY
|
- |
236K+ 149.34% |
$721K - $1.06M
|
393K
$2.91M
|
|
|
Nov 13, 2025
Q3 2025
|
Jane Street Group, LLC
New York, NY |
BUY
|
- |
196K+ 229.21% |
$599K - $877K
|
281K
$2.08M
|
|
|
Nov 12, 2025
Q3 2025
|
Geode Capital Management, LLC
Boston, MA |
BUY
|
- |
166K+ 12.08% |
$506K - $741K
|
1.54M
$11.4M
|
|
|
Nov 14, 2025
Q3 2025
|
David A. Siegel
Two Sigma Advisers, LP | New York, Ny
|
BUY
|
- |
155K+ 36.75% |
$476K - $696K
|
578K
$4.28M
|
|
|
Nov 04, 2025
Q3 2025
|
Badgley Phelps Wealth Managers, LLC
|
BUY
|
- |
142K+ 117.03% |
$435K - $637K
|
264K
$1.95M
|
|
|
Nov 14, 2025
Q3 2025
|
Israel Englander
Millennium Management LLC | New York, Ny
|
BUY
|
- |
132K+ 49.14% |
$405K - $593K
|
402K
$2.98M
|
|
|
Nov 07, 2025
Q3 2025
|
Ingalls & Snyder LLC
New York, NY |
BUY
|
- |
124K+ 3.11% |
$378K - $554K
|
4.11M
$30.4M
|
|
|
Nov 14, 2025
Q3 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
BUY
|
PUT |
93.7K+ 40.65% |
$287K - $420K
|
324K
$2.4M
|
|
|
Nov 14, 2025
Q3 2025
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
BUY
|
PUT |
84.3K+ 98.14% |
$258K - $378K
|
170K
$1.26M
|
|
|
Nov 14, 2025
Q3 2025
|
Goldman Sachs Group Inc
New York, NY |
BUY
|
- |
82.1K+ 32.34% |
$251K - $368K
|
336K
$2.49M
|
|
|
Nov 14, 2025
Q3 2025
|
Ci Private Wealth, LLC
Miami, FL |
BUY
|
- |
78.1K+ 14.73% |
$239K - $350K
|
609K
$4.51M
|
|
|
Nov 14, 2025
Q3 2025
|
Capstone Investment Advisors, LLC
New York, NY |
BUY
|
PUT |
76.7K+ 221.04% |
$235K - $344K
|
111K
$825K
|
|
|
Nov 10, 2025
Q3 2025
|
Charles Schwab Investment Management Inc
San Francisco, CA |
BUY
|
- |
73.8K+ 15.38% |
$226K - $331K
|
553K
$4.1M
|
|
|
Nov 14, 2025
Q3 2025
|
Squarepoint Ops LLC
New York, NY |
BUY
|
- |
67K+ 75.75% |
$205K - $300K
|
155K
$1.15M
|
|
|
Nov 07, 2025
Q3 2025
|
Vanguard Group Inc
Valley Forge, PA |
BUY
|
- |
63.4K+ 1.93% |
$194K - $284K
|
3.35M
$24.8M
|
|
|
Nov 14, 2025
Q3 2025
|
Northern Trust Corp
Chicago, IL |
BUY
|
- |
50.9K+ 10.51% |
$156K - $228K
|
536K
$3.97M
|
|
|
Nov 14, 2025
Q3 2025
|
Wolverine Trading, LLC
Chicago, IL |
BUY
|
PUT |
46.2K+ 187.8% |
$141K - $207K
|
70.8K
$525K
|
|
|
Nov 07, 2025
Q3 2025
|
Ingalls & Snyder LLC
New York, NY |
BUY
|
CALL |
43KNew |
$132K - $193K
|
43K
$319K
|
|
|
Nov 14, 2025
Q3 2025
|
Atom Investors LP
Austin, TX |
BUY
|
- |
41.1K+ 339.02% |
$126K - $184K
|
53.3K
$395K
|
|
|
Nov 13, 2025
Q3 2025
|
Newbridge Financial Services Group, Inc.
|
BUY
|
- |
41.1K+ 43.98% |
$126K - $184K
|
135K
$997K
|
|
|
Nov 14, 2025
Q3 2025
|
State Street Corp
Boston, MA |
BUY
|
- |
39.6K+ 3.3% |
$121K - $177K
|
1.24M
$9.19M
|
|
|
Nov 13, 2025
Q3 2025
|
Jane Street Group, LLC
New York, NY |
BUY
|
PUT |
37.8KNew |
$116K - $169K
|
37.8K
$280K
|
|
|
Nov 14, 2025
Q3 2025
|
State Of Wisconsin Investment Board
Madison, WI |
BUY
|
- |
33.7KNew |
$103K - $151K
|
33.7K
$250K
|
|
|
Nov 14, 2025
Q3 2025
|
Wellington Management Group LLP
Boston, MA |
BUY
|
- |
31K+ 18.99% |
$95K - $139K
|
194K
$1.44M
|
|
|
Nov 14, 2025
Q3 2025
|
Susquehanna Portfolio Strategies, LLC
Bala Cynwyd, PA |
BUY
|
- |
29K+ 20.44% |
$88.8K - $130K
|
171K
$1.27M
|
|
|
Nov 06, 2025
Q3 2025
|
High Tower Advisors, LLC
Chicago, IL |
BUY
|
- |
26K+ 37.58% |
$79.6K - $116K
|
95.2K
$705K
|
|
|
Nov 14, 2025
Q3 2025
|
Bridgeway Capital Management, LLC
Houston, TX |
BUY
|
- |
25K+ 78.83% |
$76.5K - $112K
|
56.7K
$420K
|
|
|
Nov 14, 2025
Q3 2025
|
Toronto Dominion Bank
Toronto, Ontario, A6 |
BUY
|
PUT |
25KNew |
$76.5K - $112K
|
25K
$185K
|
|
|
Nov 14, 2025
Q3 2025
|
Bank Of America Corp
Charlotte, NC |
BUY
|
- |
24.5K+ 9.75% |
$74.8K - $110K
|
275K
$2.04M
|
|
|
Nov 14, 2025
Q3 2025
|
Brevan Howard Capital Management LP
St. Helier, Y9 |
BUY
|
- |
24.1K+ 22.88% |
$73.7K - $108K
|
129K
$959K
|
|
|
Oct 23, 2025
Q3 2025
|
Sg Americas Securities, LLC
|
BUY
|
- |
22.6K+ 99.66% |
$69.2K - $101K
|
45.3K
$336K
|
|
|
Nov 12, 2025
Q3 2025
|
Simplex Trading, LLC
|
BUY
|
- |
22.2KNew |
$68K - $99.5K
|
22.2K
$165K
|
|
|
Nov 13, 2025
Q3 2025
|
Quadrature Capital LTD
London, X0 |
BUY
|
- |
21.5KNew |
$65.9K - $96.5K
|
21.5K
$160K
|
|
|
Nov 14, 2025
Q3 2025
|
Quantinno Capital Management LP
New York, NY |
BUY
|
- |
18.2KNew |
$55.7K - $81.6K
|
18.2K
$135K
|
|
|
Nov 14, 2025
Q3 2025
|
Walleye Trading LLC
Plymouth, MN |
BUY
|
- |
13.7KNew |
$41.8K - $61.3K
|
13.7K
$101K
|
|
|
Nov 14, 2025
Q3 2025
|
Price T Rowe Associates Inc
Baltimore, MD |
BUY
|
- |
12.7K+ 16.59% |
$39K - $57.1K
|
89.5K
$663K
|
|
|
Nov 14, 2025
Q3 2025
|
Walleye Capital LLC
Plymouth, MN |
BUY
|
- |
12.6K+ 553.09% |
$38.7K - $56.6K
|
14.9K
$111K
|
|
|
Oct 07, 2025
Q3 2025
|
Sonora Investment Management Group, LLC
Tucson, AZ |
BUY
|
CALL |
12KNew |
$36.7K - $53.8K
|
12K
$88.9K
|
|
|
Nov 13, 2025
Q3 2025
|
Wells Fargo & Company
San Francisco, CA |
BUY
|
- |
11.7K+ 9.57% |
$35.9K - $52.5K
|
134K
$994K
|
|
|
Nov 10, 2025
Q3 2025
|
China Universal Asset Management Co., Ltd.
Shanghai, F4 |
BUY
|
- |
10.2K+ 86.34% |
$31.1K - $45.5K
|
21.9K
$162K
|
|
|
Nov 14, 2025
Q3 2025
|
Mml Investors Services, LLC
Springfield, MA |
BUY
|
- |
9.6K+ 19.36% |
$29.4K - $43K
|
59.2K
$438K
|
|
|
Nov 14, 2025
Q3 2025
|
Wolverine Trading, LLC
Chicago, IL |
BUY
|
- |
8.48K+ 48.52% |
$26K - $38K
|
26K
$192K
|
|