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Security record · archived quarter

CTOS

Custom Truck One Source, Inc. · Industrials · Rental & Leasing Services

9.54 -1.2% mkt cap $2.17B quote delayed (FMP) · as of Aug 26 19:08 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
7Tracked holders
0Δ holders
3.55MShares held
$17.06MReported value
+2New positions
−2Exits
Strongly Rising 2 quarters of rising tracked shares ●●○○○○ How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth 0.0% · share flow +20.3% · net new positions 0.0%formula

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2024

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 83 +2 48.36M $568.75M +9 −7
Q1 2026 84 +11 46.46M $305.20M +15 −4
Q4 2025 73 +1 44.29M $255.26M +1
Q3 2025 15 +2 12.24M $78.61M +2
Q2 2025 10 -2 10.41M $51.45M −2
Q1 2025 9 +2 2.86M $12.06M +3 −1
Q4 2024 7 0 3.55M $17.06M +2 −2
Q3 2024 6 +2 1.74M $6.00M +3 −1
Q2 2024 4 1.40M $6.09M
Holder count
Who holds it · Q4 2024
#ManagerSharesΔ sharesValueTheir weightHeld
1 State Street Global Advisors (passive) 1.21M $5.81M 0.0% n/c 1 SEC ↗
2 Geode Capital Management (passive) 1.16M -3.9% $5.56M 0.0% ▼ Trim 3 SEC ↗
3 Geode Capital Management (passive) 1.16M -3.9% $5.56M 0.0% ▼ Trim 3 SEC ↗
4 Citadel Advisors 1.02M +171.7% $4.89M 0.0% ▲ Add 2 SEC ↗
5 Citadel Advisors 1.02M +171.7% $4.89M 0.0% ▲ Add 2 SEC ↗
6 Millennium Management 73.25K +77.5% $352,333 0.0% ▲ Add 2 SEC ↗
7 Marshall Wace 57.84K New $278,225 0.0% New 1 SEC ↗
8 T. Rowe Price 19.39K +18.3% $94,000 0.0% ▲ Add 3 SEC ↗
9 Two Sigma Investments 13.15K New $63,242 0.0% New 1 SEC ↗

“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.

New buyers

Marshall Wace $278,225 0.0%
Two Sigma Investments $63,242 0.0%

Exited

Renaissance Technologies $217,350 was 0.0%
D. E. Shaw & Co. $140,187 was 0.0%

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 169 holders, 218.05M shares, $1.43B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.

Frequently co-owned

What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q4 2024 · Methodology · Get this via the API