BlackRock
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BlackRock’s Custom Truck One Source CTOS Stock Holding History

BlackRock’s Portfolio CTOS Stock Details CTOS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$27.9M Sell
4,252,972
-59,806
-1% -$393K ﹤0.01% 2870
2025
Q4 		$24.8M Buy
4,312,778
+75,080
+2% +$458K ﹤0.01% 2973
2025
Q3 		$27.2M Buy
4,237,698
+52,367
+1% +$303K ﹤0.01% 2898
2025
Q2 		$20.7M Buy
4,185,331
+527,079
+14% +$2.27M ﹤0.01% 3006
2025
Q1 		$15.4M Sell
3,658,252
-25,905
-0.7% -$125K ﹤0.01% 3080
2024
Q4 		$17.7M Sell
3,684,157
-118,143
-3% -$534K ﹤0.01% 3120
2024
Q3 		$13.1M Buy
3,802,300
+62,411
+2% +$262K ﹤0.01% 3266
2024
Q2 		$16.3M Sell
3,739,889
-70,685
-2% -$344K ﹤0.01% 3099
2024
Q1 		$22.2M Sell
3,810,574
-125,253
-3% -$778K ﹤0.01% 2934
2023
Q4 		$24.3M Buy
3,935,827
+260,648
+7% +$1.54M ﹤0.01% 2902
2023
Q3 		$22.8M Buy
3,675,179
+28,854
+0.8% +$191K ﹤0.01% 2863
2023
Q2 		$24.6M Sell
3,646,325
-46,909
-1% -$309K ﹤0.01% 2901
2023
Q1 		$25.1M Sell
3,693,234
-28,881
-0.8% -$200K ﹤0.01% 2852
2022
Q4 		$23.5M Buy
3,722,115
+83,225
+2% +$540K ﹤0.01% 2939
2022
Q3 		$21.2M Buy
3,638,890
+180,652
+5% +$1.13M ﹤0.01% 3000
2022
Q2 		$19.4M Buy
3,458,238
+120,753
+4% +$770K ﹤0.01% 3109
2022
Q1 		$28M Buy
3,337,485
+412,937
+14% +$3.34M ﹤0.01% 2957
2021
Q4 		$23.4M Buy
2,924,548
+71,556
+3% +$616K ﹤0.01% 3179
2021
Q3 		$26.6M Buy
2,852,992
+2,109,383
+284% +$17.8M ﹤0.01% 3095
2021
Q2 		$7.08M Buy
743,609
+38,288
+5% +$376K ﹤0.01% 3772
2021
Q1 		$6.59M Buy
705,321
+48,994
+7% +$399K ﹤0.01% 3811
2020
Q4 		$4.84M Sell
656,327
-7,493
-1% -$37.9K ﹤0.01% 3727
2020
Q3 		$2.75M Buy
663,820
+2,650
+0.4% +$10.2K ﹤0.01% 3808
2020
Q2 		$2.66M Buy
661,170
+585,074
+769% +$1.7M ﹤0.01% 3740
2020
Q1 		$250K Buy
76,096
+5,700
+8% +$21.6K ﹤0.01% 4195
2019
Q4 		$289K Buy
70,396
+1,290
+2% +$5.65K ﹤0.01% 4268
2019
Q3 		$413K Buy
+69,106
New +$540K ﹤0.01% 4206

Other funds holding CTOS

PEA
Platinum Equity Advisors Beverly Hills, California $8.88B AUM 27.09% 1-Year Est. Return
CWA
Canvas Wealth Advisors Shawnee, Kansas $717M AUM 41.56% 1-Year Est. Return
Mirae Asset Global ETFs Holdings
Mirae Asset Global ETFs Holdings Causeway Bay, Hong Kong $73.7B AUM 53.56% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Allspring Global Investments
Allspring Global Investments Charlotte, North Carolina $59.7B AUM 29.08% 1-Year Est. Return
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $35.4B AUM 33.54% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Boston Partners
Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

BlackRock's CTOS Position: Q1 2026 in Review

BlackRock reduced its Custom Truck One Source (CTOS) stake by 1.4% in Q1 2026, selling an estimated $393K and leaving 4,252,972 shares worth $27.9M. The position accounts for ﹤0.01% of the portfolio, ranked #2870.

BlackRock first reported a position in CTOS in Q3 2019 and has held it in 27 quarters since. The position peaked at $28M in Q1 2022. 173 funds tracked by Wall St. Rank hold CTOS as of Q1 2026.

  • BlackRock held 4,252,972 shares of Custom Truck One Source worth $27.9M as of Q1 2026.
  • BlackRock sold 59,806 Custom Truck One Source shares in Q1 2026, an estimated $393K.
  • Custom Truck One Source made up ﹤0.01% of BlackRock's portfolio in Q1 2026, its #2870 holding.
  • BlackRock first reported a position in Custom Truck One Source in Q3 2019 and has held it in 27 quarters since.
  • BlackRock's Custom Truck One Source position peaked at $28M in Q1 2022.
  • 173 funds tracked by Wall St. Rank held Custom Truck One Source as of Q1 2026.

Based on BlackRock's 13F filing for Q1 2026, filed 13 May 2026.