Jane Street
CASK

Jane Street’s Sempreon, Inc. Common Stock CASK Stock Holding History

Jane Street’s Portfolio CASK Stock Details CASK Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		– Sell
-164,166
Closed -$2.99M – 12529
2026
Q1 		$3.02M Buy
164,166
+43,404
+36% +$969K ﹤0.01% 4336
2025
Q4 		$2.93M Buy
120,762
+106,925
+773% +$2.61M ﹤0.01% 4081
2025
Q3 		$335K Buy
+13,837
New +$401K ﹤0.01% 8691
2025
Q2 		– Sell
-58,365
Closed -$1.74M – 10399
2025
Q1 		$1.71M Sell
58,365
-32,782
-36% -$1.1M ﹤0.01% 4609
2024
Q4 		$3.59M Buy
91,147
+54,356
+148% +$2.96M ﹤0.01% 3149
2024
Q3 		$3.06M Buy
36,791
+17,125
+87% +$1.42M ﹤0.01% 3683
2024
Q2 		$1.46M Sell
19,666
-4,250
-18% -$332K ﹤0.01% 5054
2024
Q1 		$2.06M Buy
23,916
+7,045
+42% +$610K ﹤0.01% 4071
2023
Q4 		$1.66M Buy
+16,871
New +$1.62M ﹤0.01% 4660
2023
Q3 		– Sell
-6,600
Closed -$701K – 9089
2023
Q2 		$701K Buy
6,600
+2,197
+50% +$220K ﹤0.01% 5788
2023
Q1 		$426K Buy
4,403
+2,175
+98% +$213K ﹤0.01% 6583
2022
Q4 		$237K Sell
2,228
-1,350
-38% -$151K ﹤0.01% 7402
2022
Q3 		$380K Sell
3,578
-60
-2% -$6.45K ﹤0.01% 7189
2022
Q2 		$364K Buy
+3,638
New +$342K ﹤0.01% 7278
2021
Q4 		– Sell
-4,243
Closed -$276K – 10540
2021
Q3 		$276K Buy
+4,243
New +$272K ﹤0.01% 8354
2021
Q2 		– Sell
-7,283
Closed -$431K – 10164
2021
Q1 		$431K Buy
+7,283
New +$442K ﹤0.01% 7070
2016
Q4 		– Sell
-7,891
Closed -$320K – 4386
2016
Q3 		$320K Buy
+7,891
New +$305K ﹤0.01% 3240

Other funds holding CASK

Integrated Wealth Concepts
Integrated Wealth Concepts Waltham, Massachusetts $15.3B AUM 25.33% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Federated Hermes
Federated Hermes Pittsburgh, Pennsylvania $69.6B AUM 42.52% 1-Year Est. Return
Private Management Group
Private Management Group Irvine, California $3.8B AUM 23.19% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Tieton Capital Management
Tieton Capital Management Yakima, Washington $348M AUM 45.13% 1-Year Est. Return
Ariel Investments
Ariel Investments Chicago, Illinois $10B AUM 42.59% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

Jane Street's CASK Position: Q2 2026 in Review

Jane Street sold out of Sempreon, Inc. Common Stock (CASK) in Q2 2026, closing a stake of 164,166 shares — an estimated $2.99M sold.

Jane Street first reported a position in CASK in Q3 2016 and held it in 17 quarters. The position peaked at $3.59M in Q4 2024. 151 funds tracked by Wall St. Rank hold CASK as of Q2 2026.

  • Jane Street reported no remaining Sempreon, Inc. Common Stock position as of Q2 2026 after selling out during the quarter.
  • Jane Street sold 164,166 Sempreon, Inc. Common Stock shares in Q2 2026, an estimated $2.99M.
  • Jane Street first reported a position in Sempreon, Inc. Common Stock in Q3 2016 and held it in 17 quarters.
  • Jane Street's Sempreon, Inc. Common Stock position peaked at $3.59M in Q4 2024.
  • 151 funds tracked by Wall St. Rank held Sempreon, Inc. Common Stock as of Q2 2026.

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