AUMdb

Quinbrook Infrastructure Partners Llc

SEC-registered Private Fund Manager · Mid-sized ($1B–$10B) CRD 287822 · SEC file 801-112447 · New York, NY · WWW.QUINBROOK.COM
☆ Save with Pro ADV data as of Jul 28, 2026
Regulatory AUM
$9.0B
Discretionary
$0
Clients
19
Avg AUM / client
$471M
Accounts
20
Employees
25

AUM over time

$278M $9.0B
Dec 2017 Jul 2026

Annual snapshots from Form ADV filings · as of Jul 28, 2026

Who they serve

Client typeClientsAUM% of AUM
Pooled investment vehicles (non-investment companies) 19 $8.9B 99.4%
Corporations and other businesses Fewer than 5 clients $49.7M 0.55%

Private funds (13)

Reported in Form ADV Section 7.B.(1), filing of Dec 2024 · $4.4B combined gross assets

FundTypeDomicileGross assetsOwners
Quinbrook Infrastructure Partners Iii B Net Zero Power Fund Lp Other Private Fund Delaware $904M 15
Quinbrook Renewables Impact Fund Lp Other Private Fund Jersey $850M 20
Quinbrook Infrastructure Partners Iii Net Zero Power Fund Lp Scsp Other Private Fund Luxembourg $672M 13
Quinbrook (Qnzpf) Us Co Investment (B) Lp Other Private Fund Delaware $546M 6
Quinbrook (Qnzpf) Us Co Investment Scsp Other Private Fund Luxembourg $481M 5
Quinbrook Low Carbon Power Lp master Other Private Fund Jersey $348M 9
Quinbrook (Qnzpf) Us Co Investment (D) Lp Other Private Fund Delaware $128M 1
Uk Gas Co Investment Partners Lp Other Private Fund Jersey $114M 3
Us Wind Co Investment Partners Lp master Other Private Fund Delaware $80.2M 6
Quinbrook Infrastructure Partners Iii C Net Zero Power Fund Lp Other Private Fund Delaware $69.4M 2
Quinbrook Infrastructure Partners Iii A Net Zero Power Fund Lp Other Private Fund Delaware $63.1M 8
Quinbrook (Qnzpf) Us Co Investment (A) Lp Other Private Fund Delaware $53.4M 6
Quinbrook Low Carbon Power Parallel Fund (Us) Lp Other Private Fund Delaware $51.6M 10

People (7)

roster as of Jul 20, 2026
NameRole / titleCredentialsWith firm sinceOwnership
David Andrew Scaysbrook Managing Partner Apr 2012 (14y) 75% or more of Cei Capital Management Pty Limited As Trustee Of Scaysbrook Clean Energy Trust (indirect)
Quinlan, Rory, John Managing Partner Aug 2016 (10y) ≈ 21.09% – 75% via Koala Capital Limited
Chavez, Daniel, Nmn General Counsel Mar 2021 (5y) Less than 5%
Palmer, Stuart Chief Financial Officer May 2023 (3y) Less than 5%
John Edward Lucas Managing Director Jan 2024 (3y) Less than 5%
Seng, Susanna, Lylyn Chief Compliance Officer Jan 2024 (3y) Less than 5%
Rory John Quinlan Registered representative Mar 2024 (2y)

Entity owners (Schedule A/B)

EntityTitle / statusSinceSch.Ownership
Quinbrook Infrastructure Partners (Jersey) Limited Shareholder Dec 2016 A 75% or more
Quinbrook Holdings Limited Shareholder Jul 2016 B ≈ 56.25% – 100% via Quinbrook Infrastructure Partners (Jersey) Limited
Koala Capital Limited Shareholder Aug 2016 B ≈ 28.13% – 75% via Quinbrook Holdings Limited
Cei Capital Management Pty Limited Shareholder Dec 2016 B ≈ 28.13% – 75% via Quinbrook Holdings Limited

Undisclosed: 0% – 25% of the firm is not attributable from the filed Schedule A bands.

Estimated effective ownership (look-through of filed bands):

  • Quinlan, Rory, John: 75% – 100% of Koala Capital Limited × 50% – 75% of Quinbrook Holdings Limited × 75% – 100% of Quinbrook Infrastructure Partners (Jersey) Limited × 75% – 100% direct ≈ 21.09% – 75% of the firm
  • Quinbrook Holdings Limited: 75% – 100% of Quinbrook Infrastructure Partners (Jersey) Limited × 75% – 100% direct ≈ 56.25% – 100% of the firm
  • Koala Capital Limited: 50% – 75% of Quinbrook Holdings Limited × 75% – 100% of Quinbrook Infrastructure Partners (Jersey) Limited × 75% – 100% direct ≈ 28.13% – 75% of the firm
  • Cei Capital Management Pty Limited: 50% – 75% of Quinbrook Holdings Limited × 75% – 100% of Quinbrook Infrastructure Partners (Jersey) Limited × 75% – 100% direct ≈ 28.13% – 75% of the firm

Roster from the IAPD representatives feed; ownership and acquisition dates from Form ADV Schedule A/B. "Since" is the earliest filed registration or acquisition date.

Private funds (13, $4.4B gross assets)

FundTypeGross assetsMin. investmentOwners
Quinbrook Infrastructure Partners Iii B Net Zero Power Fund Lp Other Private Fund $904M $10.0M 15
Quinbrook Renewables Impact Fund Lp Other Private Fund $850M $10.0M 20
Quinbrook Infrastructure Partners Iii Net Zero Power Fund Lp Scsp Other Private Fund $672M $10.0M 13
Quinbrook (Qnzpf) Us Co Investment (B) Lp Other Private Fund $546M $0 6
Quinbrook (Qnzpf) Us Co Investment Scsp Other Private Fund $481M $10.0M 5
Quinbrook Low Carbon Power Lp Other Private Fund $348M $10.0M 9
Quinbrook (Qnzpf) Us Co Investment (D) Lp Other Private Fund $128M $0 1
Uk Gas Co Investment Partners Lp Other Private Fund $114M $0 3
Us Wind Co Investment Partners Lp Other Private Fund $80.2M $10.0M 6
Quinbrook Infrastructure Partners Iii C Net Zero Power Fund Lp Other Private Fund $69.4M $10.0M 2
Quinbrook Infrastructure Partners Iii A Net Zero Power Fund Lp Other Private Fund $63.1M $10.0M 8
Quinbrook (Qnzpf) Us Co Investment (A) Lp Other Private Fund $53.4M $0 6
Quinbrook Low Carbon Power Parallel Fund (Us) Lp Other Private Fund $51.6M $10.0M 10

From Form ADV Section 7.B private fund reporting.

Documents (1 archived)

FormPeriodSize
Form ADV (full filing) 03/30/2026 6.12 MB View · PDF · Source ↗

Archived copies of the firm's regulatory filings, versioned by content hash.

Disciplinary disclosures

No disciplinary events reported on the firm's latest Form ADV filing.

How they charge

  • Fixed fees

Services

  • Portfolio management for pooled investment vehicles

Custody

Reported custodians

Amounts as reported in ADV Item 5.K.(3) (custodians holding 10%+ of SMA assets).

Firm reports it does not have custody of client funds or securities (Item 9.A).

Source

All data on this page comes from this firm's Form ADV filings, reproduced without modification. Latest filing: Jul 28, 2026.

View current Form ADV (SEC/IAPD) ↗