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JANE STREET GROUP, LLC

Position in SEIC — Sei Investments Co

CIK 1595888 NEW YORK, NY

Position in SEIC

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$50,766,635
+$50,272,274 QoQ
Shares Held
578,801
+9087.3% QoQ
Ownership
0.482%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
#29
of 572 holders
Holding Since
Jun 2020
25 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in SEIC Over Time

Shares Held

Position Value (USD)

Derivatives in SEIC

reported options exposure · as of Jun 30, 2026
CallValue
$2,604,987
CallShares
29,700
PutValue
$4,148,683
PutShares
47,300

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Asset Management

Financial Services · as of Jun 30, 2026

JANE STREET GROUP, LLC holds $1,702,319,227 across 220 Asset Management names. SEIC ranks #10 (3.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in SEIC

Export CSV
34 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $2,604,987 29,700
2026-06-30 $50,766,635 578,801
2026-06-30 $4,148,683 47,300
2026-03-31 $494,361 6,300
2026-03-31 $878,864 11,200
2026-03-31 $564,984 7,200
2025-12-31 $11,256,177 137,237
2025-09-30 $9,360,312 110,316
2025-09-30 $492,130 5,800
2025-06-30 $34,000,506 378,372
2025-06-30 $440,314 4,900
2025-03-31 $442,491 5,700
2025-03-31 $18,812,776 242,339
2024-12-31 $7,404,393 89,772
2024-12-31 $280,432 3,400
2024-09-30 $2,673,570 38,641
2024-09-30 $1,037,850 15,000
2024-06-30 $6,781,193 104,826
2024-03-31 $1,260,478 17,531
2023-12-31 $2,150,339 33,837
2023-09-30 $3,180,564 52,807
2023-06-30 $3,956,800 66,367
2023-03-31 $1,016,908 17,670
2022-12-31 $1,092,367 18,737
2022-09-30 $934,157 19,045
2022-06-30 $408,445 7,561
2022-03-31 $845,408 14,041
2021-12-31 $488,312 8,013
2021-09-30 $1,160,738 19,574
2021-06-30 $2,305,717 37,207
2021-03-31 $779,111 12,787
2020-12-31 $1,355,716 23,590
2020-09-30 $500,200 9,862
2020-06-30 $3,688,718 67,092