Latest Period
Q2 2026
Security Snapshot
Custom Truck One Source, Inc. - Common Stock (CTOS) Institutional Ownership
CUSIP: 23204X103
13F Institutional Holders and Ownership History from Q4 2020 to Q2 2026
Institutions Reporting
184
Shares (Excl. Options)
222,394,825
Price
$11.81
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- Security type / class
- Equity / Common Stock
- Symbol
- CTOS on NYSE
- All holders as of 30 Jun 2026
- Q2 2026
- Total 13F shares
- 222,394,825
- Total 13F value
- $2,623,987,528
- Portfolio coverage rank
- 0%
- Share change
- +3,409,166
- Value change
- +$49,030,971
- Number of holders
- 184
- Shares outstanding
- 225,206,372
- SEC-reported price per share
- $10.42
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
2 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- CTOS - Custom Truck One Source, Inc. - Common Stock is tracked under CUSIP 23204X103.
- 184 institutions reported positions in Q2 2026.
- 1 significant owner is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 173 to 184 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $1,438,064,705 to $2,623,987,528.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 184 institutions filings for Q2 2026.
Security key
23204X103
Latest holder period
Q2 2026
13F holders
184
13D/G owners
1
CIK / CUSIP context first
Open Q2 2026 holders
CTOS full holder history
Custom Truck One Source, Inc. SEC filings
Custom Truck One Source, Inc. company facts
Custom Truck One Source, Inc. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 23204X103:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
1
Security
CTOS
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| PLATINUM EQUITY, LLC | 70% | $663,025,576 | 156,743,635 | Platinum Equity Capital Partners V, L.P. | 30 Jan 2025 |
As of 30 Jun 2026, 184 institutional investors reported holding 222,394,825 shares of Custom Truck One Source, Inc. - Common Stock (CTOS). This represents 99% of the company’s total 225,206,372 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
93%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Platinum Equity Advisors, LLC/DE | 70% | 156,743,635 | 0% | 21% | $1,851,142,329 |
| DIMENSIONAL FUND ADVISORS LP | 2.7% | 6,172,555 | +10% | 0.01% | $72,900,290 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 2.7% | 6,156,876 | +8.5% | 0.09% | $72,713,927 |
| Canvas Wealth Advisors, LLC | 2.7% | 5,982,649 | -15% | 9.9% | $70,655,085 |
| BlackRock, Inc. | 2% | 4,574,024 | +7.5% | 0% | $54,019,223 |
| Allspring Global Investments Holdings, LLC | 1.2% | 2,692,878 | -31% | 0.05% | $29,729,373 |
| VANGUARD CAPITAL MANAGEMENT LLC | 1.1% | 2,578,410 | +2.1% | 0% | $30,451,022 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 0.98% | 2,202,031 | +108% | 0.01% | $26,005,986 |
| GOLDMAN SACHS GROUP INC | 0.83% | 1,877,617 | +264% | 0% | $22,174,656 |
| GEODE CAPITAL MANAGEMENT, LLC | 0.77% | 1,727,646 | +17% | 0% | $20,407,869 |
| Alyeska Investment Group, L.P. | 0.73% | 1,642,331 | -42% | 0.05% | $19,395,929 |
| Boston Partners | 0.72% | 1,625,092 | -19% | 0.02% | $19,185,028 |
| JPMORGAN CHASE & CO | 0.7% | 1,587,319 | +106% | 0% | $18,968,463 |
| STATE STREET CORP | 0.67% | 1,518,554 | +2.2% | 0% | $17,934,123 |
| FIRST TRUST ADVISORS LP | 0.67% | 1,510,931 | +16% | 0.01% | $17,844,095 |
| MORGAN STANLEY | 0.56% | 1,258,227 | +40% | 0% | $14,859,662 |
| BANK OF AMERICA CORP /DE/ | 0.53% | 1,193,457 | -0.2% | 0% | $14,094,726 |
| ALGERT GLOBAL LLC | 0.52% | 1,174,190 | +500% | 0.16% | $13,867,184 |
| Clearbridge Investments, LLC | 0.45% | 1,006,418 | -28% | 0.01% | $11,885,796 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 0.42% | 954,705 | +88% | 0% | $11,275,066 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 0.4% | 908,125 | +7.5% | 0.19% | $10,724,956 |
| MACKENZIE FINANCIAL CORP | 0.39% | 885,956 | +50% | 0.01% | $10,463,140 |
| Empowered Funds, LLC | 0.39% | 873,125 | +7.8% | 0.05% | $10,311,606 |
| First Eagle Investment Management, LLC | 0.38% | 861,753 | +13% | 0.02% | $10,177,303 |
| AQR CAPITAL MANAGEMENT LLC | 0.33% | 753,989 | +16% | 0% | $8,904,609 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
23
Latest
Q2 2026
Rows shown
1-23 of 23
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 222,394,825 | $2,623,987,528 | +$49,030,971 | $11.81 | 184 |
| 2026 Q1 | 218,895,535 | $1,438,064,705 | +$16,386,367 | $6.57 | 173 |
| 2025 Q4 | 216,562,692 | $1,247,581,249 | +$6,231,203 | $5.76 | 155 |
| 2025 Q3 | 215,269,670 | $1,382,888,450 | -$7,929,178 | $6.42 | 144 |
| 2025 Q2 | 216,483,021 | $1,074,075,176 | +$17,304,870 | $4.94 | 127 |
| 2025 Q1 | 213,501,112 | $899,208,569 | -$46,917,753 | $4.22 | 139 |
| 2024 Q4 | 222,112,012 | $1,068,496,111 | +$11,323,945 | $4.81 | 123 |
| 2024 Q3 | 219,810,983 | $759,214,085 | -$444,845 | $3.45 | 118 |
| 2024 Q2 | 219,579,194 | $957,403,151 | -$192,684 | $4.35 | 110 |
| 2024 Q1 | 214,434,793 | $1,247,467,486 | -$7,879,301 | $5.82 | 117 |
| 2023 Q4 | 216,363,233 | $1,337,331,808 | -$19,883,559 | $6.18 | 114 |
| 2023 Q3 | 222,517,622 | $1,391,307,130 | -$24,734,082 | $6.20 | 109 |
| 2023 Q2 | 226,401,600 | $1,526,207,894 | +$554,041 | $6.74 | 106 |
| 2023 Q1 | 226,326,828 | $1,535,313,082 | -$9,241,020 | $6.79 | 99 |
| 2022 Q4 | 227,629,618 | $1,440,134,599 | -$7,397,794 | $6.32 | 84 |
| 2022 Q3 | 228,829,401 | $1,336,834,571 | -$1,541,635 | $5.83 | 83 |
| 2022 Q2 | 229,126,187 | $1,282,672,504 | -$3,214,032 | $5.60 | 84 |
| 2022 Q1 | 226,262,158 | $1,898,862,492 | +$22,509,199 | $8.39 | 79 |
| 2021 Q4 | 223,696,427 | $1,789,572,624 | -$3,955,410 | $8.00 | 83 |
| 2021 Q3 | 217,984,583 | $2,033,796,280 | +$46,781,111 | $9.33 | 69 |
| 2021 Q2 | 212,925,451 | $2,027,053,000 | +$2,026,335,000 | $9.52 | 69 |
| 2021 Q1 | 76,819 | $718,000 | +$717,000 | $7.92 | 2 |
| 2020 Q4 | 154 | $1,000 | $6.49 | 1 |