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CSS LLC’s Allison Transmission ALSN Stock Holding History

CSS LLC’s Portfolio ALSN Stock Details ALSN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$630K Sell
5,584
-1,756
-24% -$213K 0.02% 487
2026
Q1 		$859K Sell
7,340
-3,450
-32% -$392K 0.04% 380
2025
Q4 		$1.06M Sell
10,790
-3,270
-23% -$287K 0.05% 304
2025
Q3 		$1.19M Sell
14,060
-590
-4% -$52.5K 0.05% 282
2025
Q2 		$1.39M Buy
14,650
+2,060
+16% +$199K 0.06% 232
2025
Q1 		$1.2M Sell
12,590
-520
-4% -$55.2K 0.07% 234
2024
Q4 		$1.42M Sell
13,110
-1,832
-12% -$200K 0.06% 249
2024
Q3 		$1.44M Sell
14,942
-900
-6% -$77.2K 0.07% 222
2024
Q2 		$1.2M Sell
15,842
-1,000
-6% -$76.6K 0.06% 232
2024
Q1 		$1.37M Hold
16,842
– – 0.08% 206
2023
Q4 		$979K Buy
16,842
+1,500
+10% +$83.7K 0.06% 258
2023
Q3 		$906K Sell
15,342
-9,730
-39% -$573K 0.06% 245
2023
Q2 		$1.42M Sell
25,072
-3,000
-11% -$148K 0.09% 179
2023
Q1 		$1.27M Hold
28,072
– – 0.08% 188
2022
Q4 		$1.17M Hold
28,072
– – 0.07% 233
2022
Q3 		$948K Buy
28,072
+13,000
+86% +$486K 0.04% 358
2022
Q2 		$580K Hold
15,072
– – 0.02% 537
2022
Q1 		$592K Hold
15,072
– – 0.02% 576
2021
Q4 		$548K Hold
15,072
– – 0.02% 632
2021
Q3 		$532K Hold
15,072
– – 0.02% 628
2021
Q2 		$599K Sell
15,072
-531
-3% -$22.6K 0.02% 583
2021
Q1 		$637K Buy
+15,603
New +$649K 0.03% 534

Other funds holding ALSN

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $36.7B AUM 74.15% 1-Year Est. Return
LSV Asset Management
LSV Asset Management Chicago, Illinois $55.1B AUM 45.38% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

CSS LLC's ALSN Position: Q2 2026 in Review

CSS LLC reduced its Allison Transmission (ALSN) stake by 24% in Q2 2026, selling an estimated $213K and leaving 5,584 shares worth $630K. The position accounts for 0.02% of the portfolio, ranked #487.

CSS LLC first reported a position in ALSN in Q1 2021 and has held it in 22 quarters since. The position peaked at $1.44M in Q3 2024. 572 funds tracked by Wall St. Rank hold ALSN as of Q2 2026.

  • CSS LLC held 5,584 shares of Allison Transmission worth $630K as of Q2 2026.
  • CSS LLC sold 1,756 Allison Transmission shares in Q2 2026, an estimated $213K.
  • Allison Transmission made up 0.02% of CSS LLC's portfolio in Q2 2026, its #487 holding.
  • CSS LLC first reported a position in Allison Transmission in Q1 2021 and has held it in 22 quarters since.
  • CSS LLC's Allison Transmission position peaked at $1.44M in Q3 2024.
  • 572 funds tracked by Wall St. Rank held Allison Transmission as of Q2 2026.

Based on CSS LLC's 13F filing for Q2 2026, filed 14 Aug 2026.