CTOS · Custom Truck One Source, Inc. · Holdings
Market Cap
$2.07B
Shares
227.51M
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 187
Total Value: $2,629,122,632
Total Shares: 222,667,055
Showing 1–100
of 188 holdings by value
· page 1 of 2
Institutional Ownership Trend
26 quarters
Holder Concentration
Across 187 13F filers · Δ vs Mar 31, 2026Top Holder
70.4%
−1.2 pts
Top 5
80.7%
−1.2 pts
Top 10
85.7%
−2.1 pts
HHI
4,995
Highly concentrated−168
Quarterly Activity
vs Mar 31, 2026
New
34
Increased
78
Decreased
57
Sold Out
22
Unchanged
18
Holder count:
+12
Institutional value:
+82.8%
Shares held:
+1.7%
Top Buyers
vs Mar 31, 2026| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mega GOLDMAN SACHS GROUP INC | +1,361,882 | 1,877,617 | |
| Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | +1,145,481 | 2,202,031 | |
| Mid ALGERT GLOBAL LLC | +978,430 | 1,174,190 | |
| Mega JPMORGAN CHASE & CO | +817,100 | 1,587,319 | |
| Mega DIMENSIONAL FUND ADVISORS LP | +569,717 | 6,172,555 |
Top Sellers
vs Mar 31, 2026| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Large Allspring Global Investments Holdings, LLC | −1,221,255 | 2,692,878 | |
| Large Alyeska Investment Group, L.P. | −1,183,489 | 1,642,331 | |
| Small Canvas Wealth Advisors, LLC | −1,036,877 | 5,982,649 | |
| Mega JANE STREET GROUP, LLC | −564,834 | 95,700 | |
| Mega Clearbridge Investments, LLC | −397,547 | 1,006,418 |
Top New Positions
vs Mar 31, 2026| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Large Walleye Capital LLC | 463,475 | $5,473,639 | |
| Large FEDERATED HERMES, INC. | 296,020 | $3,495,996 | |
| Mid Y.D. More Investments Ltd | 254,500 | $3,005,645 | |
| Mid OCCUDO QUANTITATIVE STRATEGIES LP | 200,573 | $2,368,767 | |
| Mega NORGES BANK | 134,400 | $1,587,264 |
Top Sold-Out Positions
vs Mar 31, 2026| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mega MILLENNIUM MANAGEMENT LLC | 257,825 | $1,693,910 | |
| Large Trexquant Investment LP | 179,371 | $1,178,467 | |
| Mid ARISTEIA CAPITAL, L.L.C. | 83,630 | $549,449 | |
| Small Biondo Investment Advisors, LLC | 69,000 | $453,330 | |
| Mid Numerai GP LLC | 48,446 | $318,290 |
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Mid Platinum Equity Advisors, LLC/DE | $1,851,142,329 | 70.41% | 156,743,635 | Shares | 2026-08-14 | |
| Mega DIMENSIONAL FUND ADVISORS LP | $72,897,872 | 2.77% | 6,172,555 | Shares | 2026-08-11 | |
| Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Mutual Fund | $72,712,705 | 2.77% | 6,156,876 | Shares | 2026-08-14 | |
| Small Canvas Wealth Advisors, LLC | $70,655,084 | 2.69% | 5,982,649 | Shares | 2026-07-10 | |
| Mega BlackRock, Inc. | $54,019,216 | 2.05% | 4,574,024 | Shares | 2026-08-07 | |
| Large Allspring Global Investments Holdings, LLC | $31,802,888 | 1.21% | 2,692,878 | Shares | 2026-08-13 | |
| Mega VANGUARD CAPITAL MANAGEMENT LLC | $30,451,022 | 1.16% | 2,578,410 | Shares | 2026-08-13 | |
| Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $26,005,986 | 0.99% | 2,202,031 | Shares | 2026-08-13 | |
| Mega GOLDMAN SACHS GROUP INC | $22,174,656 | 0.84% | 1,877,617 | Shares | 2026-08-14 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC | $20,403,498 | 0.78% | 1,727,646 | Shares | 2026-08-12 | |
| Large Alyeska Investment Group, L.P. | $19,395,929 | 0.74% | 1,642,331 | Shares | 2026-08-14 | |
| Mega Boston Partners | $19,192,335 | 0.73% | 1,625,092 | Shares | 2026-08-04 | |
| Mega JPMORGAN CHASE & CO | $18,746,236 | 0.71% | 1,587,319 | Shares | 2026-08-12 | |
| Mega STATE STREET CORP | $17,934,122 | 0.68% | 1,518,554 | Shares | 2026-08-07 | |
| Mega FIRST TRUST ADVISORS LP | $17,844,095 | 0.68% | 1,510,931 | Shares | 2026-08-11 | |
| Mega MORGAN STANLEY | $14,859,657 | 0.57% | 1,258,227 | Shares | 2026-08-13 | |
| Mega BANK OF AMERICA CORP /DE/ Bank | $14,094,725 | 0.54% | 1,193,457 | Shares | 2026-08-14 | |
| Mid ALGERT GLOBAL LLC | $13,867,183 | 0.53% | 1,174,190 | Shares | 2026-08-13 | |
| Mega Clearbridge Investments, LLC | $11,885,796 | 0.45% | 1,006,418 | Shares | 2026-08-13 | |
| Mega VANGUARD PORTFOLIO MANAGEMENT LLC | $11,275,066 | 0.43% | 954,705 | Shares | 2026-08-13 | |
| Mid BRIDGEWAY CAPITAL MANAGEMENT, LLC | $10,724,956 | 0.41% | 908,125 | Shares | 2026-08-14 | |
| Large MACKENZIE FINANCIAL CORP | $10,463,140 | 0.40% | 885,956 | Shares | 2026-08-13 | |
| Large Empowered Funds, LLC | $10,311,606 | 0.39% | 873,125 | Shares | 2026-08-17 | |
| Large First Eagle Investment Management, LLC | $10,177,302 | 0.39% | 861,753 | Shares | 2026-08-24 | |
| Mega AQR CAPITAL MANAGEMENT LLC | $8,904,605 | 0.34% | 753,989 | Shares | 2026-08-14 | |
| Mid HEARTLAND ADVISORS INC | $8,267,000 | 0.31% | 700,000 | Shares | 2026-08-11 | |
| Small INTRINSIC EDGE CAPITAL MANAGEMENT LLC | $8,097,195 | 0.31% | 685,622 | Shares | 2026-08-12 | |
| Mega D. E. Shaw & Co., Inc. | $7,365,152 | 0.28% | 623,637 | Shares | 2026-08-14 | |
| Mega NORTHERN TRUST CORP Bank | $7,176,439 | 0.27% | 607,658 | Shares | 2026-08-13 | |
| Mega Russell Investments Group, Ltd. | $6,255,658 | 0.24% | 529,692 | Shares | 2026-08-06 | |
| Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $6,083,142 | 0.23% | 515,084 | Shares | 2026-08-14 | |
| Large SILVERCREST ASSET MANAGEMENT GROUP LLC | $6,016,828 | 0.23% | 509,469 | Shares | 2026-08-14 | |
| Large Walleye Capital LLC | $5,473,639 | 0.21% | 463,475 | Shares | 2026-08-03 | |
| Small Sendero Wealth Management, LLC | $5,406,216 | 0.21% | 457,766 | Shares | 2026-08-04 | |
| Large HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | $5,194,510 | 0.20% | 439,840 | Shares | 2026-08-14 | |
| Mega VANGUARD FIDUCIARY TRUST CO Bank | $5,098,506 | 0.19% | 431,711 | Shares | 2026-08-13 | |
| Mega CITIGROUP INC | $4,866,721 | 0.19% | 412,085 | Shares | 2026-08-03 | |
| Mega Invesco Ltd. | $4,189,029 | 0.16% | 354,702 | Shares | 2026-08-14 | |
| Mid EFG International AG | $4,068,048 | 0.15% | 344,458 | Shares | 2026-08-14 | |
| Mid Voleon Capital Management LP | $4,040,437 | 0.15% | 342,120 | Shares | 2026-08-14 | |
| Mega BNP PARIBAS ARBITRAGE, SA | $3,793,490 | 0.14% | 321,210 | Shares | 2026-08-13 | |
| Large FEDERATED HERMES, INC. | $3,495,996 | 0.13% | 296,020 | Shares | 2026-08-12 | |
| Large HRT FINANCIAL LP | $3,007,428 | 0.11% | 254,651 | Shares | 2026-08-14 | |
| Mid Y.D. More Investments Ltd | $3,005,645 | 0.11% | 254,500 | Shares | 2026-08-05 | |
| Mid GILDER GAGNON HOWE & CO LLC | $2,561,258 | 0.10% | 216,872 | Shares | 2026-08-14 | |
| Large SEI INVESTMENTS CO | $2,548,255 | 0.10% | 215,771 | Shares | 2026-08-14 | |
| Mid OCCUDO QUANTITATIVE STRATEGIES LP | $2,368,767 | 0.09% | 200,573 | Shares | 2026-08-13 | |
| Large Mariner, LLC | $2,244,573 | 0.09% | 190,057 | Shares | 2026-08-13 | |
| Large Point72 Asset Management, L.P. | $2,115,171 | 0.08% | 179,100 | Shares | 2026-08-14 | |
| Small Register Financial Advisors LLC | $2,010,062 | 0.08% | 170,200 | Shares | 2026-07-15 | |
| Mega Bank of New York Mellon Corp Bank | $1,842,239 | 0.07% | 155,990 | Shares | 2026-08-06 | |
| Mega Nuveen, LLC | $1,795,970 | 0.07% | 152,072 | Shares | 2026-08-11 | |
| Mega UBS Group AG | $1,782,021 | 0.07% | 150,891 | Shares | 2026-08-13 | |
| Mega NORGES BANK Bank | $1,587,264 | 0.06% | 134,400 | Shares | 2026-08-12 | |
| Mega AMERICAN CENTURY COMPANIES INC | $1,554,940 | 0.06% | 131,663 | Shares | 2026-08-12 | |
| Mega Swiss National Bank Bank | $1,477,431 | 0.06% | 125,100 | Shares | 2026-08-11 | |
| Mid Private Capital Management, LLC | $1,470,994 | 0.06% | 124,555 | Shares | 2026-08-14 | |
| Mega FMR LLC | $1,386,823 | 0.05% | 117,428 | Shares | 2026-08-13 | |
| Mid Cornerstone Investment Partners, LLC | $1,348,265 | 0.05% | 114,163 | Shares | 2026-08-07 | |
| Large ACADIAN ASSET MANAGEMENT LLC | $1,293,643 | 0.05% | 109,538 | Shares | 2026-08-13 | |
| Small EntryPoint Capital, LLC | $1,278,467 | 0.05% | 108,253 | Shares | 2026-08-13 | |
| Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | $1,233,541 | 0.05% | 104,449 | Shares | 2026-08-13 | |
| Mega ALLIANCEBERNSTEIN L.P. | $1,204,265 | 0.05% | 101,970 | Shares | 2026-08-14 | |
| Mega JANE STREET GROUP, LLC | $1,130,217 | 0.04% | 95,700 | Call | 2026-08-14 | |
| Small SANDLER CAPITAL MANAGEMENT | $1,028,379 | 0.04% | 87,077 | Shares | 2026-08-14 | |
| Small VARCOV Co. | $1,024,316 | 0.04% | 86,733 | Shares | 2026-08-14 | |
| Large Tidal Investments LLC | $987,339 | 0.04% | 83,602 | Shares | 2026-08-13 | |
| Mega RHUMBLINE ADVISERS | $879,313 | 0.03% | 74,455 | Shares | 2026-08-12 | |
| Mid XTX Topco Ltd | $865,495 | 0.03% | 73,285 | Shares | 2026-08-14 | |
| Mega WELLS FARGO & COMPANY/MN | $846,316 | 0.03% | 71,661 | Shares | 2026-08-14 | |
| Large LAZARD ASSET MANAGEMENT LLC | $827,408 | 0.03% | 70,060 | Shares | 2026-08-14 | |
| Mega CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension | $801,863 | 0.03% | 67,897 | Shares | 2026-08-24 | |
| Large VIRGINIA RETIREMENT SYSTEMS ET Al Pension | $791,116 | 0.03% | 66,987 | Shares | 2026-08-25 | |
| Large STRS OHIO | $784,184 | 0.03% | 66,400 | Shares | 2026-07-30 | |
| Mega CANADA PENSION PLAN INVESTMENT BOARD Pension | $741,668 | 0.03% | 62,800 | Shares | 2026-08-14 | |
| Mega LPL Financial LLC | $731,452 | 0.03% | 61,935 | Shares | 2026-08-07 | |
| Mega DEUTSCHE BANK AG\ Bank | $717,704 | 0.03% | 60,771 | Shares | 2026-08-07 | |
| Large ZACKS INVESTMENT MANAGEMENT | $687,920 | 0.03% | 58,249 | Shares | 2026-08-13 | |
| Mid DARK FOREST CAPITAL MANAGEMENT LP | $651,734 | 0.02% | 55,185 | Shares | 2026-08-14 | |
| Mega Legal & General Group Plc | $651,249 | 0.02% | 55,144 | Shares | 2026-08-14 | |
| Large Balyasny Asset Management L.P. | $625,457 | 0.02% | 52,960 | Shares | 2026-08-14 | |
| Mega BARCLAYS PLC | $605,781 | 0.02% | 51,294 | Shares | 2026-08-14 | |
| Mega PRICE T ROWE ASSOCIATES INC /MD/ | $602,298 | 0.02% | 50,999 | Shares | 2026-08-14 | |
| Mid Pine Valley Investments Ltd Liability Co | $584,595 | 0.02% | 49,500 | Shares | 2026-07-24 | |
| Mid Brevan Howard Capital Management LP | $578,890 | 0.02% | 49,017 | Shares | 2026-08-14 | |
| Large Zurcher Kantonalbank (Zurich Cantonalbank) Bank | $554,325 | 0.02% | 46,937 | Shares | 2026-08-12 | |
| Large Schonfeld Strategic Advisors LLC | $535,701 | 0.02% | 45,360 | Shares | 2026-08-14 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $518,459 | 0.02% | 43,900 | Call | 2026-08-14 | |
| Mega AMERIPRISE FINANCIAL INC | $506,849 | 0.02% | 42,917 | Shares | 2026-08-14 | |
| Large Cetera Investment Advisers | $489,028 | 0.02% | 41,408 | Shares | 2026-08-12 | |
| Large IEQ CAPITAL, LLC | $457,023 | 0.02% | 38,698 | Shares | 2026-08-11 | |
| Mega Vanguard Global Advisers, LLC | $452,358 | 0.02% | 38,303 | Shares | 2026-08-13 | |
| Mid GSA CAPITAL PARTNERS LLP | $440,123 | 0.02% | 37,267 | Shares | 2026-08-06 | |
| Large MetLife Investment Management, LLC | $425,856 | 0.02% | 36,059 | Shares | 2026-08-14 | |
| Mid Hillsdale Investment Management Inc. | $423,624 | 0.02% | 35,870 | Shares | 2026-08-12 | |
| Mega VANGUARD ASSET MANAGEMENT, Ltd | $423,589 | 0.02% | 35,867 | Shares | 2026-08-13 | |
| Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE Insurance | $396,131 | 0.02% | 33,542 | Shares | 2026-09-09 | |
| Mid SAPIENT CAPITAL LLC | $377,211 | 0.01% | 31,940 | Shares | 2026-07-09 | |
| Large Creative Planning | $353,721 | 0.01% | 29,951 | Shares | 2026-08-13 | |
| Large PRUDENTIAL FINANCIAL INC | $353,532 | 0.01% | 29,935 | Shares | 2026-08-12 |
Key facts
CIK
1709682
CUSIP
23204X103
13F (30d)
65 filings
64 filers
Visit website
Investor relations