CTOS

Custom Truck One Source Inc
IndustrialsUSCUSIP 23204X103◍ Confluence graph
Tracked 13F Holders
172
-90 QoQ
13F Value (tracked)
$2.3B
Insider Net · 180d
$0
0↑ 0↓
Recent Filings
15
Smart-money sentimentMixed
BearishBullish
13F funds (latest Q)31 adding · 20 trimming
Insider net (180d)$0

Who owns CTOS?

172 tracked 13F filers

172 tracked 13F filers disclose a position in CTOS as of the latest SEC 13F filings, a combined $2.3B in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

All quarters use one ordinary-share-equivalent series. Historical ADS are converted at 2 ADS = 1 ordinary share. Expand a row for the exact calculation; the residual is not classified as a trade.
#FundPosition valueSharesLast moveAs ofHistory
1Platinum Equity Advisors, LLC/DE
$1.9B
156.7M
Held
Q2 2026
2Canvas Wealth Advisors, LLC
$70.7M
6.0M
−15%
Reduced · −1.0M sh
Q2 2026
3MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.
$37.3M
5.7M
+4.3%
Added · +232K sh
Q1 2026
4DIMENSIONAL FUND ADVISORS LP
$36.8M
5.6M
+15%
Added · +742K sh
Q1 2026
5BlackRock, Inc.
$27.9M
4.3M
−1.4%
Reduced · −60K sh
Q1 2026
6Alyeska Investment Group, L.P.
$18.6M
2.8M
+13%
Added · +326K sh
Q1 2026
7Allspring Global Investments Holdings, LLC
$29.7M
2.7M
−31%
Reduced · −1.2M sh
Q2 2026
8VANGUARD CAPITAL MANAGEMENT LLC
$16.6M
2.5M
First observed position
No prior filed position
Q1 2026
9Boston Partners
$13.2M
2.0M
−47%
Reduced · −1.8M sh
Q1 2026
10GEODE CAPITAL MANAGEMENT, LLC
$20.4M
1.7M
+17%
Added · +257K sh
Q2 2026
11STATE STREET CORP
$17.9M
1.5M
+2.2%
Added · +33K sh
Q2 2026
12Clearbridge Investments, LLC
$9.2M
1.4M
−2.8%
Reduced · −41K sh
Q1 2026
13FIRST TRUST ADVISORS LP
$8.5M
1.3M
+6.4%
Added · +78K sh
Q1 2026
14BANK OF AMERICA CORP /DE/
$7.9M
1.2M
−19%
Reduced · −284K sh
Q1 2026
15ALGERT GLOBAL LLC
$13.9M
1.2M
+500%
Added · +978K sh
Q2 2026
16ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
$6.9M
1.1M
+155%
Added · +642K sh
Q1 2026
17MORGAN STANLEY
$5.9M
898K
+26%
Added · +183K sh
Q1 2026
18First Eagle Investment Management, LLC
$10.2M
862K
+13%
Added · +96K sh
Q2 2026
19BRIDGEWAY CAPITAL MANAGEMENT, LLC
$5.6M
845K
+9.4%
Added · +73K sh
Q1 2026
20Empowered Funds, LLC
$5.3M
810K
+9.9%
Added · +73K sh
Q1 2026
21JPMORGAN CHASE & CO
$4.9M
770K
30×
Added · +745K sh
Q1 2026
22HEARTLAND ADVISORS INC
$8.3M
700K
−30%
Reduced · −300K sh
Q2 2026
23Intrinsic Edge Capital Management LLC
$8.1M
686K
−22%
Reduced · −194K sh
Q2 2026
24JANE STREET GROUP, LLC
$4.3M
661K
+91%
Added · +316K sh
Q1 2026
25AQR CAPITAL MANAGEMENT LLC
$4.3M
651K
+285%
Added · +482K sh
Q1 2026

Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

Is CTOS being bought or sold by institutions?

Last quarter, 13 funds opened a new position in CTOS and 18 added to an existing one, while 20 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).

Opened (NEW)
13
funds
Added
18
funds
Reduced
20
funds
Exited
0
funds

Funds that own CTOS also own

CompanyCo-held byCombined value
MICROSOFT CORPMSFT78 funds$164.6B
AMAZON.COM INCAMZN77 funds$120.5B
ALPHABET INC-CL AGOOGL76 funds$91.2B
NVIDIA CORPNVDA75 funds$241.2B
ELI LILLY & COLLY75 funds$47.5B
META PLATFORMS INC-CLASS AMETA74 funds$71.5B
VISA INC-CLASS A SHARESV74 funds$38.3B
JPMORGAN CHASE & COJPM74 funds$37.1B
MICRON TECHNOLOGY INCMU74 funds$25.4B
UNITEDHEALTH GROUP INCUNH74 funds$19.0B
GENERAL DYNAMICS CORPGD74 funds$4.6B
ALPHABET INC-CL CGOOG73 funds$84.5B

Ranked by how many of CTOS's institutional holders also hold each name, a cross-fund conviction signal.

Insider activity (Form 4)

Full insider page →
Buys · 180d
$0
0 insiders
Sells · 180d
$0
0 insiders
Net
$0
0 P/S txns
Signal
Mixed
open-market
DateInsiderRoleActionSharesValue
Jan 30, 2025Gores Tom10% OwnerBuy (P)8.1M$32.6M
Jan 30, 2025Platinum Equity InvestCo, L.P.10% OwnerBuy (P)8.1M$32.6M
Sep 5, 2024NESCO Holdings GP, LLC10% OwnerSell (S)2.4M$8.1M
Sep 5, 2024ENERGY CAPITAL PARTNERS III-D, LP10% OwnerSell (S)2.4M$8.1M
Aug 27, 2024Energy Capital Partners Management, LPDirectorSell (S)19K$78K
Aug 7, 2024Ross Joe P.President - SalesBuy (P)84K$335K
Aug 6, 2024Rich Thomas R.President - RentalsBuy (P)26K$101K
Jun 14, 2024Heinberg MarshallDirectorBuy (P)10K$43K
May 8, 2024NELSON GEORGIA RDirectorBuy (P)12K$49K
May 8, 2024McMonagle RyanChief Executive Officer, DirectorBuy (P)10K$40K
May 7, 2024Heinberg MarshallDirectorBuy (P)40K$163K
May 7, 2024Eperjesy Christopher JChief Financial OfficerBuy (P)20K$78K

Institutional ownership over time

68 funds-29 since Q3 2024
079158Q3 2024Q1 2025Q3 2025Q1 2026Q2 2026
funds holding aggregate valuelatest $2.1B

Recent filings

15 shown

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Connected entities for CTOS

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Ask your agent what changed in CTOS

This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/stocks/CTOS/capital-change-brief"
Ask your agent
Use Arkolith's capital_change_brief for CTOS.
Tell me what changed, whether insider activity
corroborates it, and cite the SEC evidence.

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for CTOS. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.