Boston Partners’s Custom Truck One Source CTOS Stock Holding History

Boston Partners’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 Q2	$19.2M	Sell	1,625,092 -391,314	-19%	-$3.69M	0.02%	399
2026 Q1	$13.2M	Sell	2,016,406 -1,777,191	-47%	-$11.7M	0.01%	415
2025 Q4	$21.9M	Sell	3,793,597 -1,681,710	-31%	-$10.3M	0.02%	364
2025 Q3	$35.2M	Buy	5,475,307 +42,232	+0.8%	+$245K	0.04%	302
2025 Q2	$26.8M	Buy	5,433,075 +2,264,366	+71%	+$9.76M	0.03%	322
2025 Q1	$13.4M	Sell	3,168,709 -627,715	-17%	-$3.03M	0.02%	363
2024 Q4	$18.3M	Buy	+3,796,424	New	+$17.2M	0.02%	337

Other funds holding CTOS

Platinum Equity Advisors Beverly Hills, California $8.96B AUM 34.3% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Mirae Asset Global ETFs Holdings Causeway Bay, Hong Kong $83.9B AUM 60.43% 1-Year Est. Return

CWA

Canvas Wealth Advisors Shawnee, Kansas $717M AUM 41.56% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Allspring Global Investments Charlotte, North Carolina $65.2B AUM 39.42% 1-Year Est. Return

Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Boston Partners's CTOS Position: Q2 2026 in Review

Boston Partners reduced its Custom Truck One Source (CTOS) stake by 19% in Q2 2026, selling an estimated $3.69M and leaving 1,625,092 shares worth $19.2M. The position accounts for 0.02% of the portfolio, ranked #399.

Boston Partners first reported a position in CTOS in Q4 2024 and has held it in 7 quarters since. The position peaked at $35.2M in Q3 2025. 186 funds tracked by Wall St. Rank hold CTOS as of Q2 2026.

Boston Partners held 1,625,092 shares of Custom Truck One Source worth $19.2M as of Q2 2026.
Boston Partners sold 391,314 Custom Truck One Source shares in Q2 2026, an estimated $3.69M.
Custom Truck One Source made up 0.02% of Boston Partners's portfolio in Q2 2026, its #399 holding.
Boston Partners first reported a position in Custom Truck One Source in Q4 2024 and has held it in 7 quarters since.
Boston Partners's Custom Truck One Source position peaked at $35.2M in Q3 2025.
186 funds tracked by Wall St. Rank held Custom Truck One Source as of Q2 2026.

Based on Boston Partners's 13F filing for Q2 2026, filed 4 Aug 2026.