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Security record · archived quarter

AMRC

Ameresco, Inc. · Industrials · Engineering & Construction

20.88 0.0% mkt cap $1.11B quote delayed (FMP) · as of Oct 13 20:08 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
9Tracked holders
-4Δ holders
9.92MShares held
$150.66MReported value
+0New positions
−4Exits
Strongly Falling Conviction score 43/100 4 quarters of rising tracked shares ●●●●○○ How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth -30.0% · share flow +4.1% · net new positions -20.0% — formula
Concentrated accumulation — rising shares among fewer holders

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 73 -1 24.99M $688.47M +6 −9
Q1 2026 79 +3 23.14M $589.38M +8 −5
Q4 2025 75 +3 23.58M $690.61M +3 —
Q3 2025 13 +1 13.74M $461.37M +2 −1
Q2 2025 9 -4 9.92M $150.66M — −4
Q1 2025 10 0 4.58M $55.29M +2 −2
Q4 2024 10 -1 3.50M $82.12M — −1
Q3 2024 10 +1 2.93M $110.99M +1 —
Q2 2024 9 — 2.61M $75.26M — —
Holder count
Who holds it · Q2 2025
#ManagerSharesΔ sharesValueTheir weightHeld
1 The Vanguard Group ✦ (passive) 2.50M — $37.99M 0.0% n/c 1 SEC ↗ ×5
2 BlackRock ✦ (passive) 2.44M — $37.04M 0.0% n/c 1 SEC ↗ ×14
3 Wellington Management ✦ 1.75M +59.4% $26.64M 0.0% ▲ Add 5 SEC ↗ ×4
4 State Street Global Advisors ✦ (passive) 1.47M +35.8% $22.34M 0.0% ▲ Add 3 SEC ↗
5 D. E. Shaw & Co. ✦ 901.09K +5.8% $13.69M 0.0% ▲ Add 5 SEC ↗ ×2
6 Geode Capital Management ✦ (passive) 788.83K +0.2% $11.98M 0.0% ▲ Add 5 SEC ↗ ×2
7 T. Rowe Price ✦ 33.01K +3.5% $502,000 0.0% ▲ Add 5 SEC ↗
8 Two Sigma Investments ✦ 21.55K -74.3% $327,344 0.0% ▼ Trim 5 SEC ↗
9 Fidelity (FMR) ✦ 8.99K — $136,570 0.0% n/c 1 SEC ↗ ×2

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

New buyers

No new tracked buyers this quarter.

Exited

Marshall Wace $3.38M was 0.0%
Millennium Management $2.24M was 0.0%
Citadel Advisors $1.27M was 0.0%
AQR Capital Management $819,943 was 0.0%

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 178 holders, 30.59M shares, $745.43M 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.

Insider transactions

Open-market purchases (P)

Aug 28 Sakellaris George P

Officer, Director, 10% owner · Chief Executive… · 3.00K sh @ 22.13 · $66,390

Aug 27 Sakellaris George P

Officer, Director, 10% owner · Chief Executive… · 4.00K sh @ 22.84 · $91,360

Aug 26 Sakellaris George P

Officer, Director, 10% owner · Chief Executive… · 1.00K sh @ 21.92 · $21,920

Aug 25 Sakellaris George P

Officer, Director, 10% owner · Chief Executive… · 4.06K sh @ 22.03 · $89,486

Aug 25 Sakellaris George P

Officer, Director, 10% owner · Chief Executive… · 938 sh @ 21.60 · $20,261

Aug 24 Sakellaris George P

Officer, Director, 10% owner · Chief Executive… · 5.00K sh @ 20.91 · $104,550

Aug 24 Miller Jennifer L

Director · 2.00K sh @ 20.96 · $41,920

Aug 24 Sutton Joseph W.

Director · 9.70K sh @ 20.87 · $202,439

Aug 21 Cox Brian C

Director · 4.62K sh @ 21.64 · $100,085

Aug 11 Sakellaris George P

Officer, Director, 10% owner · Chief Executive… · 1.00K sh @ 25.90 · $25,900

Open-market sales (S)

Sep 15 Chiplock Mark

Officer · 476 sh · $10,691

Sep 15 Maltezos Louis P

Officer · 592 sh · $13,296

Awards, exercises and tax withholding are never counted as buys or sales here. Methodology

Beneficial ownership
Oct 08 SC 13G — DIMENSIONAL FUND ADVISORS LP

View original SEC filing ↗

Aug 27 SC 13G — GAGNON SECURITIES LLC

View original SEC filing ↗

Jul 22 SC 13G — MILLENNIUM MANAGEMENT LLC

View original SEC filing ↗

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: Q2 2025 · Methodology · Get this via the API