Ken Griffin
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Ken Griffin’s Rush Enterprises Class B RUSHB Stock Holding History

Ken Griffin’s Portfolio RUSHB Stock Details RUSHB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-11,872
Closed -$668K – 14068
2025
Q4 		$668K Sell
11,872
-7,878
-40% -$430K ﹤0.01% 8311
2025
Q3 		$1.13M Buy
+19,750
New +$1.11M ﹤0.01% 7265
2024
Q4 		– Sell
-15,256
Closed -$732K – 15257
2024
Q3 		$732K Buy
15,256
+10,028
+192% +$453K ﹤0.01% 7458
2024
Q2 		$205K Sell
5,228
-4,275
-45% -$185K ﹤0.01% 9877
2024
Q1 		$506K Buy
9,503
+815
+9% +$40.2K ﹤0.01% 8373
2023
Q4 		$460K Sell
8,688
-10,301
-54% -$463K ﹤0.01% 8287
2023
Q3 		$860K Sell
18,989
-4,507
-19% -$204K ﹤0.01% 6889
2023
Q2 		$1.07M Buy
+23,496
New +$951K ﹤0.01% 6324
2022
Q3 		– Sell
-18,087
Closed -$599K – 13479
2022
Q2 		$599K Buy
18,087
+577
+3% +$18.7K ﹤0.01% 8230
2022
Q1 		$565K Buy
17,510
+8,228
+89% +$273K ﹤0.01% 9094
2021
Q4 		$334K Buy
+9,282
New +$320K ﹤0.01% 10689
2021
Q3 		– Sell
-8,574
Closed -$218K – 14528
2021
Q2 		$218K Buy
+8,574
New +$246K ﹤0.01% 11974
2020
Q1 		– Sell
-17,377
Closed -$353K – 10076
2019
Q4 		$353K Sell
17,377
-2,509
-13% -$48.7K ﹤0.01% 7336
2019
Q3 		$353K Buy
+19,886
New +$345K ﹤0.01% 7323

Other funds holding RUSHB

Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
GI
GAMCO Investors Greenwich, Connecticut $11.1B AUM 41.79% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
GF
Gabelli Funds Rye, New York $15.7B AUM 36.4% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
PMG
Private Management Group Irvine, California $3.8B AUM 23.19% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Ken Griffin's RUSHB Position: Q1 2026 in Review

Ken Griffin sold out of Rush Enterprises Class B (RUSHB) in Q1 2026, closing a stake of 11,872 shares — an estimated $668K sold.

Ken Griffin first reported a position in RUSHB in Q3 2019 and held it in 14 quarters. The position peaked at $1.13M in Q3 2025. 146 funds tracked by Wall St. Rank hold RUSHB as of Q1 2026.

  • Ken Griffin reported no remaining Rush Enterprises Class B position as of Q1 2026 after selling out during the quarter.
  • Ken Griffin sold 11,872 Rush Enterprises Class B shares in Q1 2026, an estimated $668K.
  • Ken Griffin first reported a position in Rush Enterprises Class B in Q3 2019 and held it in 14 quarters.
  • Ken Griffin's Rush Enterprises Class B position peaked at $1.13M in Q3 2025.
  • 146 funds tracked by Wall St. Rank held Rush Enterprises Class B as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.