Custom Truck One Source, Inc. - Common Stock (CTOS)

CUSIP: 23204X103

Q4 2025 13F Holders as of 31 Dec 2025

Security identity
Security type / class
Equity / Common Stock
Shares outstanding
225,206,372
Holder snapshot
Total 13F shares
216,562,692
Share change
+1,220,596
Total reported value
$1,247,581,249
Reported price per share
$5.76
Number of holders
155
Value change
+$6,231,203
Number of buys
83
Number of sells
56

Security key

23204X103

Report period

Q4 2025

Institutions

155

Top holders

10

CTOS full security history Ownership snapshot Full 13F holder table Newer quarter: Q1 2026 Previous quarter: Q3 2025 Custom Truck One Source, Inc. SEC filings Custom Truck One Source, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Ownership snapshot

Top reported holders of CTOS - Custom Truck One Source, Inc. - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Lead holder
PLATINUM EQUITY, LLC
13D/G signal
PLATINUM EQUITY, LLC
Evidence rows
15
Latest as of
30 Sep 2025
13D/G 3/4/5 13F Lead comparable stake: 70% 13D/G row: PLATINUM EQUITY, LLC Showing 1-6 of 15 holder rows.
Holder Evidence Ownership % Position 12M Net Δ As of
PLATINUM EQUITY, LLC
13D/G 3/4/5
Platinum Equity Capital Partners V, L.P. · 10%+ Owner
13D/G 3/4/5
70%
$663,025,576
156,743,635 shares
 $0 30 Jan 2025
Platinum Equity Advisors, LLC/DE
13F
Company
13F
70%
$1,006,294,137
156,743,635 shares
 — 30 Sep 2025
Boston Partners
13F
Company
13F
2.4%
$35,150,224
5,475,307 shares
 — 30 Sep 2025
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.
13F
Company
13F
2.4%
$34,090,386
5,310,114 shares
 — 30 Sep 2025
Canvas Wealth Advisors, LLC
13F
Company
13F
2.1%
$30,948,595
4,746,717 shares
 — 30 Sep 2025
DIMENSIONAL FUND ADVISORS LP
13F
Company
13F
2%
$28,221,798
4,396,162 shares
 — 30 Sep 2025
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q4 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
155
Shares
216,562,692
Rows available
155
Investor Option Weight % Change % Reported value * Price Shares Share Change Activity Report Period

* Reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that failed the local validity check.

Compare Q4 2025 vs Q3 2025 Across Filers

Q3 2025 holders
144
Q4 2025 holders
155
Holder diff
11
Investor Q3 2025 Shares Q4 2025 Shares Share Diff Share Chg % Q3 2025 value Q4 2025 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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