# CUSTOM TRUCK ONE SOURCE INC COM CL A

CUSTOM TRUCK ONE SOURCE INC COM CL A is a security (CUSIP 23204X103) tracked across SEC portfolio filings. 176 institutional managers reported $1.5B on Form 13F as of 2026-06-30; 13 registered fund positions totaling $12.2M via N-PORT as of 2026-05-31.

## Summary

- Issuer: CUSTOM TRUCK ONE SOURCE INC
- Class: COM CL A
- CUSIP: 23204X103
- Asset category: EC
- 13F holders: 176
- 13F value: $1.5B
- 13F period: 2026-06-30
- N-PORT fund positions: 13
- N-PORT value: $12.2M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 176 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| [Platinum Equity Advisors, LLC/DE](https://search.stillhousedata.com/firm/161491) | Beverly Hills, CA | $1.0B | 156,743,635 |
| [Canvas Wealth Advisors, LLC](https://search.stillhousedata.com/firm/306343) | OVERLAND PARK, KS | $70.7M | 5,982,649 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | CENTRAL, K3 | $37.3M | 5,674,918 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $36.8M | 5,602,838 |
| BlackRock, Inc. | New York, NY | $27.9M | 4,252,972 |
| Allspring Global Investments Holdings, LLC | CHARLOTTE, NC | $25.9M | 3,914,133 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $20.0M | 3,466,621 |
| Boston Partners | BOSTON, MA | $19.2M | 1,625,092 |
| [Alyeska Investment Group, L.P.](https://search.stillhousedata.com/firm/155058) | CHICAGO, IL | $18.6M | 2,825,820 |
| [First Eagle Investment Management, LLC](https://search.stillhousedata.com/firm/108260) | NEW YORK, NY | $10.2M | 861,753 |
| STATE STREET CORP | BOSTON, MA | $9.8M | 1,486,051 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $9.7M | 1,470,636 |
| [Clearbridge Investments, LLC](https://search.stillhousedata.com/firm/137028) | New York, NY | $9.2M | 1,403,965 |
| FIRST TRUST ADVISORS LP | Wheaton, IL | $8.5M | 1,301,351 |
| BANK OF AMERICA CORP /DE/ | CHARLOTTE, NC | $7.9M | 1,195,836 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $4.5M | 0.55% |
| [VANGUARD RUSSELL 2000 INDEX FUND](https://search.stillhousedata.com/fund/S000030003) | VANGUARD SCOTTSDALE FUNDS | $3.0M | 1.69% |
| [U.S. MICRO CAP PORTFOLIO](https://search.stillhousedata.com/fund/S000000948) | DFA INVESTMENT DIMENSIONS GROUP INC | $1.7M | 2.28% |
| [Master Small Cap Index Series](https://search.stillhousedata.com/fund/S000002716) | Quantitative Master Series LLC | $686K | 1.42% |
| [Bridge Builder Tax Managed Small/Mid Cap Fund](https://search.stillhousedata.com/fund/S000076295) | Bridge Builder Trust | $598K | 1.97% |
| [Russell Investments U.S. Small Cap Equity ETF](https://search.stillhousedata.com/fund/S000089990) | Russell Investments Exchange Traded Funds | $537K | 108.83% |
| [VANGUARD U.S. MOMENTUM FACTOR ETF](https://search.stillhousedata.com/fund/S000061302) | VANGUARD WELLINGTON FUND | $520K | 2.83% |
| [VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002855) | VANGUARD INSTITUTIONAL INDEX FUNDS | $202K | 0.07% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $195K | 0.03% |
| [Longview Advantage ETF](https://search.stillhousedata.com/fund/S000086399) | RBB Fund Trust | $120K | 1.83% |
| [DWS Small Cap Index VIP](https://search.stillhousedata.com/fund/S000006223) | DEUTSCHE DWS INVESTMENTS VIT FUNDS | $55K | 1.30% |
| [Vericimetry U.S. Small Cap Value Fund](https://search.stillhousedata.com/fund/S000033942) | VERICIMETRY FUNDS | $51K | 3.01% |
| [TIAA Separate Account VA-1 - Stock Index Account](https://search.stillhousedata.com/fund/S000005098) | TIAA Separate Account VA-1 | $7K | 0.05% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/23204X103.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.