Latest Institutional Purchases of Sei Investments CO (SEIC)
This list provides information on the latest institutional transactions involving Sei Investments CO (SEIC) 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
|
Paul Tudor Jones
Tudor Investment Corp Et Al | Stamford, Ct
|
BUY
|
- |
56.7KNew |
$4.81M - $5.32M
|
56.7K
$4.62M
|
|
|
Nov 13, 2025
Q3 2025
|
Prudential PLC
London, England, X0 |
BUY
|
- |
55.5K+ 908.89% |
$4.71M - $5.21M
|
61.6K
$5.03M
|
|
|
Oct 22, 2025
Q3 2025
|
Robeco Institutional Asset Management B.V.
|
BUY
|
- |
54.1K+ 70.05% |
$4.59M - $5.07M
|
131K
$10.7M
|
|
|
Nov 13, 2025
Q3 2025
|
Magnetar Financial LLC
Evanston, IL |
BUY
|
- |
51.7KNew |
$4.38M - $4.85M
|
51.7K
$4.22M
|
|
|
Nov 14, 2025
Q3 2025
|
Jain Global LLC
New York, NY |
BUY
|
- |
50.8K+ 378.93% |
$4.31M - $4.77M
|
64.2K
$5.24M
|
|
|
Nov 10, 2025
Q3 2025
|
Mill Creek Capital Advisors, LLC
Conshohocken, PA |
BUY
|
- |
50KNew |
$4.24M - $4.69M
|
50K
$4.08M
|
|
|
Nov 04, 2025
Q3 2025
|
Ashton Thomas Private Wealth, LLC
Scottsdale, AZ |
BUY
|
- |
49.7K+ 349.19% |
$4.22M - $4.66M
|
63.9K
$5.21M
|
|
|
Nov 14, 2025
Q3 2025
|
Holocene Advisors, LP
New York, NY |
BUY
|
- |
49.2KNew |
$4.17M - $4.61M
|
49.2K
$4.01M
|
|
|
Nov 14, 2025
Q3 2025
|
Quantinno Capital Management LP
New York, NY |
BUY
|
- |
48.9K+ 47.49% |
$4.15M - $4.59M
|
152K
$12.4M
|
|
|
Nov 13, 2025
Q3 2025
|
Capital Fund Management S.A.
Paris, I0 |
BUY
|
- |
47.7K+ 100.17% |
$4.05M - $4.47M
|
95.3K
$7.77M
|
|
|
Nov 14, 2025
Q3 2025
|
Zacks Investment Management
Chicago, IL |
BUY
|
- |
41.9KNew |
$3.56M - $3.93M
|
41.9K
$3.42M
|
|
|
Nov 14, 2025
Q3 2025
|
Exodus Point Capital Management, LP
New York, NY |
BUY
|
- |
40.7K+ 398.57% |
$3.45M - $3.81M
|
50.9K
$4.15M
|
|
|
Nov 14, 2025
Q3 2025
|
Vident Advisory, LLC
Alpharetta, GA |
BUY
|
- |
38K+ 203.62% |
$3.22M - $3.56M
|
56.7K
$4.62M
|
|
|
Nov 14, 2025
Q3 2025
|
Polar Asset Management Partners Inc.
Toronto, A6 |
BUY
|
- |
37.1K+ 312.13% |
$3.15M - $3.48M
|
49K
$4M
|
|
|
Nov 14, 2025
Q3 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
BUY
|
CALL |
34.7K+ 124.82% |
$2.94M - $3.25M
|
62.5K
$5.1M
|
|
|
Oct 31, 2025
Q3 2025
|
Y Intercept (Hong Kong) LTD
|
BUY
|
- |
33.5K+ 935.29% |
$2.85M - $3.15M
|
37.1K
$3.03M
|
|
|
Nov 17, 2025
Q3 2025
|
Morningstar Investment Management LLC
Chicago, IL |
BUY
|
- |
32.4K+ 875.55% |
$2.75M - $3.04M
|
36.2K
$2.95M
|
|
|
Nov 12, 2025
Q3 2025
|
Dimensional Fund Advisors LP
Austin, TX |
BUY
|
- |
32K+ 1.75% |
$2.71M - $3M
|
1.86M
$152M
|
|
|
Nov 07, 2025
Q3 2025
|
Vanguard Group Inc
Valley Forge, PA |
BUY
|
- |
31K+ 0.28% |
$2.63M - $2.9M
|
11.3M
$919M
|
|
|
Nov 13, 2025
Q3 2025
|
Prudential Financial Inc
Newark, NJ |
BUY
|
- |
30.6K+ 159.24% |
$2.59M - $2.87M
|
49.7K
$4.06M
|
|
|
Nov 04, 2025
Q3 2025
|
Allianz Asset Management Gmb H
Munich, 2M |
BUY
|
- |
30.4K+ 21.14% |
$2.58M - $2.85M
|
174K
$14.2M
|
|
|
Nov 05, 2025
Q3 2025
|
Bi Asset Management Fondsmaeglerselskab A
Kobenhavn, G7 |
BUY
|
- |
26.3K+ 3554.32% |
$2.23M - $2.47M
|
27K
$2.21M
|
|
|
Nov 12, 2025
Q3 2025
|
Crossmark Global Holdings, Inc.
|
BUY
|
- |
26.1K+ 277.82% |
$2.22M - $2.45M
|
35.5K
$2.9M
|
|
|
Nov 14, 2025
Q3 2025
|
Creative Planning
Overland Park, KS |
BUY
|
- |
25.7K+ 163.25% |
$2.18M - $2.41M
|
41.4K
$3.38M
|
|
|
Nov 10, 2025
Q3 2025
|
Intech Investment Management LLC
West Palm Beach, FL |
BUY
|
- |
25.1K+ 519.61% |
$2.13M - $2.35M
|
29.9K
$2.44M
|
|
|
Nov 14, 2025
Q3 2025
|
Horizon Investments, LLC
Charlotte, NC |
BUY
|
- |
25K+ 66.47% |
$2.12M - $2.34M
|
62.5K
$5.1M
|
|
|
Nov 13, 2025
Q3 2025
|
Wells Fargo & Company
San Francisco, CA |
BUY
|
- |
23.9K+ 24.98% |
$2.03M - $2.24M
|
120K
$9.75M
|
|
|
Nov 06, 2025
Q3 2025
|
Illinois Municipal Retirement Fund
|
BUY
|
- |
23K+ 49.02% |
$1.95M - $2.16M
|
70K
$5.71M
|
|
|
Nov 14, 2025
Q3 2025
|
Ubs Asset Management Americas Inc
Chicago, IL |
BUY
|
- |
22.3K+ 2.58% |
$1.89M - $2.09M
|
884K
$72.1M
|
|
|
Nov 13, 2025
Q3 2025
|
Entropy Technologies, LP
New York, NY |
BUY
|
- |
22KNew |
$1.87M - $2.06M
|
22K
$1.79M
|
|
|
Nov 14, 2025
Q3 2025
|
Toroso Investments, LLC
Massapequa, NY |
BUY
|
- |
21.1K+ 25.02% |
$1.79M - $1.97M
|
105K
$8.58M
|
|
|
Nov 03, 2025
Q3 2025
|
Hussman Strategic Advisors, Inc.
Ellicott City, MD |
BUY
|
- |
21KNew |
$1.78M - $1.97M
|
21K
$1.71M
|
|
|
Nov 14, 2025
Q3 2025
|
California Public Employees Retirement System
Sacramento, CA |
BUY
|
- |
20.7K+ 11.58% |
$1.75M - $1.94M
|
199K
$16.2M
|
|
|
Nov 14, 2025
Q3 2025
|
Rockefeller Capital Management L.P.
New York, NY |
BUY
|
- |
19.8K+ 19.84% |
$1.68M - $1.86M
|
120K
$9.78M
|
|
|
Oct 28, 2025
Q3 2025
|
Sequoia Financial Advisors, LLC
|
BUY
|
- |
19.5KNew |
$1.66M - $1.83M
|
19.5K
$1.59M
|
|
|
Nov 14, 2025
Q3 2025
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
BUY
|
PUT |
16.8KNew |
$1.43M - $1.58M
|
16.8K
$1.37M
|
|
|
Nov 12, 2025
Q3 2025
|
Dynamic Technology Lab Private LTD
Singapore, U0 |
BUY
|
- |
15.8KNew |
$1.34M - $1.48M
|
15.8K
$1.29M
|
|
|
Nov 12, 2025
Q3 2025
|
Elo Mutual Pension Insurance CO
|
BUY
|
- |
15.7K+ 119.49% |
$1.33M - $1.48M
|
28.9K
$2.36M
|
|
|
Oct 17, 2025
Q3 2025
|
Dumont & Blake Investment Advisors LLC
|
BUY
|
- |
14.7KNew |
$1.24M - $1.37M
|
14.7K
$1.2M
|
|
|
Nov 12, 2025
Q3 2025
|
Schroder Investment Management Group
London, X0 |
BUY
|
- |
13.5K+ 15.72% |
$1.15M - $1.27M
|
99.7K
$8.13M
|
|
|
Nov 12, 2025
Q3 2025
|
Lpl Financial LLC
Fort Mill, SC |
BUY
|
- |
13.5K+ 13.63% |
$1.15M - $1.27M
|
113K
$9.18M
|
|
|
Oct 30, 2025
Q3 2025
|
Universal Beteiligungs Und Servicegesellschaft Mb H
Frankfurt Am Main, 2M |
BUY
|
- |
13.4K+ 22.55% |
$1.14M - $1.26M
|
73K
$5.95M
|
|
|
Nov 13, 2025
Q3 2025
|
Landscape Capital Management, L.L.C.
|
BUY
|
- |
13.4K+ 141.37% |
$1.14M - $1.26M
|
22.9K
$1.87M
|
|
|
Nov 13, 2025
Q3 2025
|
Brandywine Global Investment Management, LLC
Philadelphia, PA |
BUY
|
- |
11.7K+ 7.59% |
$996K - $1.1M
|
166K
$13.6M
|
|
|
Nov 14, 2025
Q3 2025
|
Schonfeld Strategic Advisors LLC
New York, NY |
BUY
|
- |
11.7K+ 8.14% |
$993K - $1.1M
|
155K
$12.7M
|
|
|
Nov 14, 2025
Q3 2025
|
Summit Trail Advisors, LLC
New York, NY |
BUY
|
- |
11.7K+ 206.45% |
$991K - $1.1M
|
17.3K
$1.41M
|
|
|
Nov 14, 2025
Q3 2025
|
Voleon Capital Management LP
Berkeley, CA |
BUY
|
- |
11KNew |
$936K - $1.03M
|
11K
$899K
|
|
|
Nov 14, 2025
Q3 2025
|
Clark Capital Management Group, Inc.
Philadelphia, PA |
BUY
|
- |
10.6K+ 66.36% |
$898K - $993K
|
26.5K
$2.17M
|
|
|
Nov 14, 2025
Q3 2025
|
Engineers Gate Manager LP
New York, NY |
BUY
|
- |
9.98K+ 11.45% |
$847K - $936K
|
97.1K
$7.92M
|
|
|
Nov 06, 2025
Q3 2025
|
Rhumbline Advisers
Boston, MA |
BUY
|
- |
9.86K+ 3.12% |
$837K - $925K
|
326K
$26.6M
|
|