Jane Street’s SEI Investments SEIC Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$2.6M Buy
29,700
+22,500
+313% +$1.96M ﹤0.01% 4722
2026
Q1
$565K Buy
+7,200
New +$593K ﹤0.01% 7764
2025
Q4
Sell
-5,800
Closed -$492K 12243
2025
Q3
$492K Buy
5,800
+900
+18% +$80K ﹤0.01% 7899
2025
Q2
$440K Sell
4,900
-800
-14% -$64.5K ﹤0.01% 7161
2025
Q1
$442K Buy
5,700
+2,300
+68% +$185K ﹤0.01% 7105
2024
Q4
$280K Sell
3,400
-11,600
-77% -$910K ﹤0.01% 7848
2024
Q3
$1.04M Sell
15,000
-20,100
-57% -$1.34M ﹤0.01% 5817
2024
Q2
$2.27M Sell
35,100
-9,500
-21% -$639K ﹤0.01% 4266
2024
Q1
$3.21M Buy
+44,600
New +$2.96M ﹤0.01% 3291

Other funds holding SEIC

Jane Street's SEIC Position: Q2 2026 in Review

Jane Street increased its SEI Investments (SEIC) stake by 9,087% in Q2 2026, buying an estimated $49.9M and bringing the position to 578,801 shares worth $50.8M. The position accounts for ﹤0.01% of the portfolio, ranked #1415.

Jane Street first reported a position in SEIC in Q2 2013 and has held it in 42 quarters since. 574 funds tracked by Wall St. Rank hold SEIC as of Q2 2026.

  • Jane Street held 578,801 shares of SEI Investments worth $50.8M as of Q2 2026.
  • Jane Street bought 572,501 SEI Investments shares in Q2 2026, an estimated $49.9M.
  • SEI Investments made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #1415 holding.
  • Jane Street first reported a position in SEI Investments in Q2 2013 and has held it in 42 quarters since.
  • 574 funds tracked by Wall St. Rank held SEI Investments as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.