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SEI Investments
SEIC

548 hedge funds and large institutions have $7.51B invested in SEI Investments in 2025 Q3 according to their latest regulatory filings, with 60 funds opening new positions, 209 increasing their positions, 170 reducing their positions, and 68 closing their positions.

New
Increased
Maintained
Reduced
Closed

504% more call options, than puts

Call options by funds: $8.6M | Put options by funds: $1.43M

23% more repeat investments, than reductions

Existing positions increased: 209 | Existing positions reduced: 170

0.72% less ownership

Funds ownership: 72.35% → 71.63% (-0.72%)

3% less funds holding

Funds holding: 563 → 548 (-15)

7% less capital invested

Capital invested by funds: $8.09B → $7.51B (-$584M)

12% less first-time investments, than exits

New positions opened: 60 | Existing positions closed: 68

20% less funds holding in top 10

Funds holding in top 10: 5 → 4 (-1)

Holders
548
Holders Change
-15
Holders Change %
-2.66%
% of All Funds
7.19%
Holding in Top 10
4
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-20%
% of All Funds
0.05%
New
60
Increased
209
Reduced
170
Closed
68
Calls
$8.6M
Puts
$1.43M
Net Calls
+$7.18M
Net Calls Change
+$2.07M

Top Buyers

1
Fidelity Investments
Fidelity Investments
Massachusetts
+$45.5M
2
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
+$30.8M
3
Caisse de Depot et Placement du Quebec (CDPQ)
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
+$28.2M
4
PCM
Prana Capital Management
Connecticut
+$23.9M
5
Ameriprise
Ameriprise
Minnesota
+$19.6M

Top Sellers

1
ACL
Azora Capital LP
Florida
-$69.9M
2
BGC
Beutel, Goodman & Co
Ontario, Canada
-$51.3M
3
RA
Royce & Associates
New York
-$28.7M
4
Jane Street
Jane Street
New York
-$23.8M
5
BTW
Boston Trust Walden
Massachusetts
-$23.5M
Name Holding Trade Value Shares
Change 		Change in
Stake
Citadel Advisors
51
Citadel Advisors
Florida
$17.5M +$366K +4,122 +2%
Swiss National Bank
52
Swiss National Bank
Switzerland
$17.4M +$88.8K +1,000 +0.5%
IP
53
Interval Partners
New York
$17.3M -$2.3M -25,839 -11%
LWIC
54
Leith Wheeler Investment Counsel
British Columbia, Canada
$17.3M +$257K +2,896 +1%
California Public Employees Retirement System
55
California Public Employees Retirement System
California
$16.9M +$1.84M +20,661 +12%
SOADOR
56
State of Alaska Department of Revenue
Alaska
$16.8M -$48.8K -549 -0.3%
Los Angeles Capital Management
57
Los Angeles Capital Management
California
$16.5M +$11M +123,701 +175%
Public Employees Retirement Association of Colorado
58
Public Employees Retirement Association of Colorado
Colorado
$15.1M +$15.5M +174,290 +4,205%
VI
59
Vestcor Inc
New Brunswick, Canada
$14.8M -$12K -135 -0.1%
Allianz Asset Management
60
Allianz Asset Management
Germany
$14.8M +$2.7M +30,411 +21%
MG
61
Markel Group
Virginia
$14.7M – – –
BGIM
62
Brandywine Global Investment Management
Pennsylvania
$14.1M +$1.04M +11,740 +8%
FGP
63
Foyston, Gordon, & Payne
Ontario, Canada
$13.2M +$358K +4,032 +3%
Barclays
64
Barclays
United Kingdom
$13.2M +$118K +1,325 +0.9%
SSA
65
Schonfeld Strategic Advisors
New York
$13.2M +$1.04M +11,703 +8%
QCM
66
Quantinno Capital Management
New York
$12.9M +$4.35M +48,914 +47%
Osaic Holdings
67
Osaic Holdings
Arizona
$12.7M +$406K +4,565 +3%
Janney Montgomery Scott
68
Janney Montgomery Scott
Pennsylvania
$11.8M +$335K +3,776 +3%
Victory Capital Management
69
Victory Capital Management
Texas
$11.5M -$1.63M -18,374 -12%
Robeco Institutional Asset Management
70
Robeco Institutional Asset Management
Netherlands
$11.1M +$4.8M +54,067 +70%
AllianceBernstein
71
AllianceBernstein
Tennessee
$11M +$306K +3,442 +3%
KK
72
KLP Kapitalforvaltning
Norway
$10.8M -$2.54M -28,600 -18%
State Board of Administration of Florida Retirement System
73
State Board of Administration of Florida Retirement System
Florida
$10.6M -$1.09M -12,299 -9%
Luther King Capital Management (LKCM)
74
Luther King Capital Management (LKCM)
Texas
$10.6M -$1.2M -13,539 -10%
MGP
75
M&G plc
United Kingdom
$10.4M +$10.9M +122,508 New
1 2
3
4 5

SEIC Hedge Fund Activity: Q3 2025 in Review

548 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in SEI Investments (SEIC) for Q3 2025, worth a combined $7.51B — down 7.2% from $8.09B a quarter earlier.

Sellers outnumbered buyers: 68 funds closed out of SEIC and 60 opened new positions — a net loss of 8 holders — while 170 trimmed existing stakes and 209 added.

The largest buyer was Fidelity Investments, adding an estimated $45.5M. The largest seller was Azora Capital LP, exiting entirely with an estimated $69.9M sold.

  • 548 institutional investors held SEI Investments (SEIC) as of Q3 2025, down from 563 in Q2 2025.
  • Funds reported $7.51B of SEI Investments stock for Q3 2025, down 7.2% quarter-over-quarter.
  • 60 funds opened new SEI Investments positions in Q3 2025 and 68 closed out, a net change of -8 holders.
  • The largest SEI Investments buyer in Q3 2025 was Fidelity Investments, an estimated $45.5M added.
  • The largest SEI Investments seller in Q3 2025 was Azora Capital LP, an estimated $69.9M sold.

Based on aggregated 13F filings for Q3 2025.