Grantham, Mayo, Van Otterloo & Co (GMO)
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Grantham, Mayo, Van Otterloo & Co (GMO)’s Allison Transmission ALSN Stock Holding History

Grantham, Mayo, Van Otterloo & Co (GMO)’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 		– Sell
-6,243
Closed -$731K – 666
2026
Q1 		$731K Sell
6,243
-6,758
-52% -$768K ﹤0.01% 533
2025
Q4 		$1.27M Buy
13,001
+4,095
+46% +$359K ﹤0.01% 479
2025
Q3 		$756K Sell
8,906
-1,262
-12% -$112K ﹤0.01% 502
2025
Q2 		$966K Sell
10,168
-2,549
-20% -$246K ﹤0.01% 488
2025
Q1 		$1.22M Sell
12,717
-10,999
-46% -$1.17M ﹤0.01% 425
2024
Q4 		$2.56M Sell
23,716
-34,554
-59% -$3.77M 0.01% 358
2024
Q3 		$5.6M Sell
58,270
-11,314
-16% -$970K 0.02% 313
2024
Q2 		$5.28M Buy
69,584
+37,905
+120% +$2.91M 0.02% 314
2024
Q1 		$2.57M Sell
31,679
-1,321
-4% -$89K 0.01% 349
2023
Q4 		$1.92M Sell
33,000
-12,215
-27% -$682K 0.01% 352
2023
Q3 		$2.67M Sell
45,215
-48,930
-52% -$2.88M 0.01% 381
2023
Q2 		$5.32M Buy
94,145
+45,552
+94% +$2.24M 0.02% 324
2023
Q1 		$2.2M Sell
48,593
-49,800
-51% -$2.24M 0.01% 416
2022
Q4 		$4.09M Sell
98,393
-16,034
-14% -$659K 0.02% 366
2022
Q3 		$3.86M Sell
114,427
-43,000
-27% -$1.61M 0.02% 363
2022
Q2 		$6.05M Buy
157,427
+132,927
+543% +$5.08M 0.03% 324
2022
Q1 		$962K Sell
24,500
-24,569
-50% -$967K ﹤0.01% 534
2021
Q4 		$1.78M Buy
+49,069
New +$1.73M 0.01% 480
2021
Q2 		– Sell
-9,059
Closed -$370K – 709
2021
Q1 		$370K Sell
9,059
-6,660
-42% -$277K ﹤0.01% 752
2020
Q4 		$678K Hold
15,719
– – ﹤0.01% 639
2020
Q3 		$552K Buy
15,719
+219
+1% +$7.93K ﹤0.01% 610
2020
Q2 		$570K Buy
15,500
+800
+5% +$28.7K ﹤0.01% 611
2020
Q1 		$479K Buy
+14,700
New +$613K ﹤0.01% 601
2013
Q4 		– Sell
-167,000
Closed -$4.18M – 665
2013
Q3 		$4.18M Hold
167,000
– – 0.01% 338
2013
Q2 		$3.85M Buy
+167,000
New +$3.86M 0.01% 338

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

Grantham, Mayo, Van Otterloo & Co (GMO)'s ALSN Position: Q2 2026 in Review

Grantham, Mayo, Van Otterloo & Co (GMO) sold out of Allison Transmission (ALSN) in Q2 2026, closing a stake of 6,243 shares — an estimated $731K sold.

Grantham, Mayo, Van Otterloo & Co (GMO) first reported a position in ALSN in Q2 2013 and held it in 25 quarters. The position peaked at $6.05M in Q2 2022. 571 funds tracked by Wall St. Rank hold ALSN as of Q2 2026.

  • Grantham, Mayo, Van Otterloo & Co (GMO) reported no remaining Allison Transmission position as of Q2 2026 after selling out during the quarter.
  • Grantham, Mayo, Van Otterloo & Co (GMO) sold 6,243 Allison Transmission shares in Q2 2026, an estimated $731K.
  • Grantham, Mayo, Van Otterloo & Co (GMO) first reported a position in Allison Transmission in Q2 2013 and held it in 25 quarters.
  • Grantham, Mayo, Van Otterloo & Co (GMO)'s Allison Transmission position peaked at $6.05M in Q2 2022.
  • 571 funds tracked by Wall St. Rank held Allison Transmission as of Q2 2026.

Based on Grantham, Mayo, Van Otterloo & Co (GMO)'s 13F filing for Q2 2026, filed 13 Aug 2026.