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SEIC in the 13F filings

Sei Invts Co · CUSIP 784117103

Sector · Other financial servicesTheme · Financial services· L3VLUP-defined
Quarter
Q3 2026 · early filersQ2 2026Q1 2026Q4 2025Q3 2025Q2 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024Q4 2023
Quarter end
31 Mar 2024
the date the book describes
Filed
15 May 2024
latest of these filings; the earliest 3 May 2024
Managers listing it
11
at least, of 95 tracked, among listed positions
Comparable managers
93
filed both Q4 2023 and Q1 2024; 10 listed it in both
Shares listed
1,899,980
combined, among listed positions
Reported value
$137m
combined, at the quarter end

Among the 93 comparable managers: 4 buyers (opened or added shares) and 6 sellers (trimmed or exited), at least, among listed positions. Their net change in shares is not known from listed positions, because at least one of them lists it in only one of the two quarters.

Managers listing SEIC in Q1 2024

Share of 13F value is the position’s reported value over everything the manager reported that quarter. The share change is against Q4 2023, and only where both filings list the position. A rise in value with no rise in shares is the price, not buying.

11 of 11 holders

ActionFiling
Acadian Asset Management LLC435,054$31m0.11%Trimmed-16,18810 May 2024 (the filing on sec.gov)
AQR Capital Management LLC325,981$23munder 0.1%Addedn.a.15 May 2024 (the filing on sec.gov)
Two Sigma Advisers LP258,900$19munder 0.1%Trimmed-22,40015 May 2024 (the filing on sec.gov)
Two Sigma Investments LP232,290$17munder 0.1%Trimmed-23,43115 May 2024 (the filing on sec.gov)
Voloridge Investment Management LLC173,567$12munder 0.1%Added+5,65915 May 2024 (the filing on sec.gov)
Markel Group Inc173,200$12m0.12%Held03 May 2024 (the filing on sec.gov)
Schonfeld Strategic Advisors LLC122,680$8.8m0.06%Trimmed-23,65015 May 2024 (the filing on sec.gov)
Bridgewater Associates LP89,395$6.4munder 0.1%Trimmed-43,44114 May 2024 (the filing on sec.gov)
Holocene Advisors LP71,974$5.2munder 0.1%Added+16,92815 May 2024 (the filing on sec.gov)
Brevan Howard Capital Management LP13,500$971kunder 0.1%Added+1,20515 May 2024 (the filing on sec.gov)
Caxton Associates LLP3,439$247kunder 0.1%Held015 May 2024 (the filing on sec.gov)

Largest increases and reductions, by shares

Q4 2023 to Q1 2024, among managers that listed it in both quarters or opened it.

Increases

Reductions

New positions and exits

At least these many: a manager is shown exiting only where its own filing shows the position gone.

New (0)

No new position among listed positions.

Exited (1)

Ownership over time

Every quarter on file. A quarter-end value moves with the price as well as with the shares held; buyers and sellers count comparable managers, by shares.
6 in Q3 2024 to 6 in Q2 2026

Tracked managers listing it, at least.

0510152014201620182020202220242026
the quarter shown share split complete books; unmarked quarters rest on listed positionsClick a quarter to open it.
SEIC by quarter
QuarterHoldersReported valueBuyersSellers
Q2 201310$292mn.a.n.a.
Q3 201310$288mn.a.n.a.
Q4 20139$338mn.a.n.a.
Q1 201412$361mn.a.n.a.
Q2 201411$339mn.a.n.a.
Q3 20149$286mn.a.n.a.
Q4 20148$339mn.a.n.a.
Q1 20156$345mn.a.n.a.
Q2 20155$379mn.a.n.a.
Q3 20158$343mn.a.n.a.
Q4 20154$331mn.a.n.a.
Q1 20164$154mn.a.n.a.
Q2 20167$193mn.a.n.a.
Q3 20164$128mn.a.n.a.
Q4 20163$132mn.a.n.a.
Q1 20173$81mn.a.n.a.
Q2 20177$174mn.a.n.a.
Q3 20175$164mn.a.n.a.
Q4 20175$193mn.a.n.a.
Q1 20188$310mn.a.n.a.
Q2 201813$315mn.a.n.a.
Q3 201810$207mn.a.n.a.
Q4 201813$196mn.a.n.a.
Q1 201911$264mn.a.n.a.
Q2 201911$320mn.a.n.a.
Q3 20198$288mn.a.n.a.
Q4 20198$208mn.a.n.a.
Q1 20209$135mn.a.n.a.
Q2 20205$66mn.a.n.a.
Q3 20206$50mn.a.n.a.
Q4 20205$46mn.a.n.a.
Q1 20217$68mn.a.n.a.
Q2 20216$67mn.a.n.a.
Q3 202110$125mn.a.n.a.
Q4 20219$128mn.a.n.a.
Q1 20227$100mn.a.n.a.
Q2 20229$90mn.a.n.a.
Q3 20229$87mn.a.n.a.
Q4 20228$103mn.a.n.a.
Q1 20237$88mn.a.n.a.
Q2 20235$43mn.a.n.a.
Q3 20234$52mn.a.n.a.
Q4 202311$107m73
Q1 202411$137m46
Q2 20244$64m13
Q3 20246$73m41
Q4 20249$148m53
Q1 202510$148m81
Q2 20258$124m35
Q3 20258$129m71
Q4 202510$162m1714
Q1 20267$128m1217
Q2 20266$92m1611

Compare with…

Holders over time, buyers and sellers, and the managers holding both, side by side for up to four stocks.

SEIC and V →SEIC and AXP →SEIC and BAC →Choose a stock to compare with SEIC →

How much of the picture this is

A 13F is a manager’s long US-listed equity book at a quarter end, filed up to 45 days later. It shows no shorts, cash, bonds or performance, and it is never today’s portfolio. Large books are listed to their largest positions, so a manager missing from this table may still hold a small position below that line. These are 95 tracked managers, not the institutional market.

Which funds own SEIC, latest filings →Back to the 13F Explorer →