Purchases and Sales Made in Q3 2025 in Sei Investments CO (SEIC)
This table provides information about the institutional ownership of Sei Investments CO (SEIC) during Q3 2025. The information is specifically focused on institutions that hold shares of SEI INVESTMENTS CO.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Nov 14, 2025
Q3 2025
|
Qube Research & Technologies LTD
London, X0 |
BUY
|
- |
347K+ 82.53% |
$29.4M - $32.5M
|
767K
$62.5M
|
|
|
Nov 14, 2025
Q3 2025
|
Caisse De Depot Et Placement Du Quebec
Montreal, A8 |
BUY
|
- |
318K+ 30.96% |
$27M - $29.8M
|
1.34M
$110M
|
|
|
Nov 14, 2025
Q3 2025
|
Prana Capital Management, LP
Greenwich, CT |
BUY
|
- |
269K+ 60.83% |
$22.8M - $25.2M
|
711K
$58M
|
|
|
Nov 14, 2025
Q3 2025
|
Ameriprise Financial Inc
Minneapolis, MN |
BUY
|
- |
221K+ 37.17% |
$18.8M - $20.7M
|
816K
$66.5M
|
|
|
Nov 12, 2025
Q3 2025
|
Geode Capital Management, LLC
Boston, MA |
BUY
|
- |
208K+ 8.09% |
$17.7M - $19.5M
|
2.78M
$227M
|
|
|
Nov 13, 2025
Q3 2025
|
Swiss National Bank
Zurich, V8 |
BUY
|
- |
205KNew |
$17.4M - $19.2M
|
205K
$16.7M
|
|
|
Nov 13, 2025
Q3 2025
|
Public Employees Retirement Association Of Colorado
Denver, CO |
BUY
|
- |
174K+ 4204.83% |
$14.8M - $16.3M
|
178K
$14.6M
|
|
|
Nov 04, 2025
Q3 2025
|
Thrivent Financial For Lutherans
Minneapolis, MN |
BUY
|
- |
148K+ 141.85% |
$12.6M - $13.9M
|
252K
$20.6M
|
|
|
Nov 13, 2025
Q3 2025
|
Loomis Sayles & CO L P
|
BUY
|
- |
135K+ 1.52% |
$11.4M - $12.6M
|
8.98M
$732M
|
|
|
Nov 13, 2025
Q3 2025
|
Ray Dalio
Bridgewater Associates, LP | Westport, Ct
|
BUY
|
- |
133K+ 102.57% |
$11.3M - $12.5M
|
263K
$21.4M
|
|
|
Nov 13, 2025
Q3 2025
|
Lord, Abbett & Co. LLC
Jersey City, NJ |
BUY
|
- |
126K+ 8.47% |
$10.7M - $11.8M
|
1.61M
$131M
|
|
|
Oct 20, 2025
Q3 2025
|
Los Angeles Capital Management LLC
|
BUY
|
- |
124K+ 175.46% |
$10.5M - $11.6M
|
194K
$15.8M
|
|
|
Nov 07, 2025
Q3 2025
|
M&G PLC
London, X0 |
BUY
|
- |
123KNew |
$10.4M - $11.5M
|
123K
$9.99M
|
|
|
Nov 14, 2025
Q3 2025
|
Voloridge Investment Management, LLC
Jupiter, FL |
BUY
|
- |
121K+ 42.19% |
$10.2M - $11.3M
|
406K
$33.1M
|
|
|
Nov 14, 2025
Q3 2025
|
American Capital Management Inc
New York, NY |
BUY
|
- |
101K+ 21.85% |
$8.6M - $9.51M
|
565K
$46.1M
|
|
|
Nov 13, 2025
Q3 2025
|
Franklin Resources Inc
San Mateo, CA |
BUY
|
- |
93.1K+ 17.08% |
$7.9M - $8.74M
|
638K
$52.1M
|
|
|
Nov 14, 2025
Q3 2025
|
Man Group PLC
London, X0 |
BUY
|
- |
91.2K+ 40.92% |
$7.74M - $8.56M
|
314K
$25.6M
|
|
|
Nov 14, 2025
Q3 2025
|
Balyasny Asset Management LLC
Chicago, IL |
BUY
|
- |
88.3KNew |
$7.5M - $8.29M
|
88.3K
$7.21M
|
|
|
Nov 14, 2025
Q3 2025
|
Aqr Capital Management LLC
Greenwich, CT |
BUY
|
- |
74.8K+ 19.07% |
$6.35M - $7.02M
|
467K
$38.1M
|
|
|
Nov 14, 2025
Q3 2025
|
Israel Englander
Millennium Management LLC | New York, Ny
|
BUY
|
- |
74.3K+ 12.77% |
$6.3M - $6.97M
|
656K
$53.5M
|
|
|
Nov 13, 2025
Q3 2025
|
Invesco Ltd.
Atlanta, GA |
BUY
|
- |
68.9K+ 4.14% |
$5.84M - $6.46M
|
1.73M
$141M
|
|
|
Nov 13, 2025
Q3 2025
|
Ubs Group Ag
|
BUY
|
- |
62.6K+ 16.43% |
$5.31M - $5.87M
|
444K
$36.2M
|
|
|
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 19, 2025
Q3 2025
|
Danske Bank A/S
Copenhagen K, G7 |
BUY
|
- |
44.1K+ 473.47% |
$3.74M - $4.14M
|
53.4K
$4.36M
|
|
|
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
|
|
|
Oct 06, 2025
Q3 2025
|
Thrive Wealth Management, LLC
|
BUY
|
- |
40.5K+ 104.2% |
$3.43M - $3.8M
|
79.3K
$6.47M
|
|
|
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
|
|
|
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
|
|