AUMdb
SC

Square Circle Ia Lp

SEC-registered Private Fund Manager · Small ($100M–$1B) CRD 312718 · SEC file 801-126286 · Boston, MA
☆ Save with Pro ADV data as of Mar 27, 2026
Regulatory AUM
$449M
Discretionary
$449M
Clients
2
Avg AUM / client
$224M
Accounts
2
Employees
3

AUM over time

$220M $511M
Jun 29, 2022 Mar 27, 2026

Reported AUM from Form ADV filings, plotted by filing date · as of Mar 27, 2026

Who they serve

Client typeClientsAUM% of AUM
Pooled investment vehicles (non-investment companies) 2 $449M 100.0%

Private funds (2)

Reported in Form ADV Section 7.B.(1), filing of Aug 2024 · $388M combined gross assets

FundTypeDomicileGross assetsOwners
Anaxagoras Lp Hedge Fund Delaware $320M 1
Oenopides Lp Hedge Fund Delaware $68.4M 3

People (2)

NameRole / titleCredentialsWith firm sinceOwnership
Horowitz, Adam, A. Chief Compliance Officer; Chief Financial Officer; Chief Operating Officer Mar 2022 (4y) Less than 5%
Han, Dong, Nmn Trustee Aug 2023 (3y) ≈ 0% – 5% via Revocable Trust Of Dong Han U/A/D August 15, 2023

Entity owners (Schedule A/B)

EntityTitle / statusSinceSch.Ownership
Square Circle Ia Gp Llc General Partner Dec 2020 A 75% or more
Revocable Trust Of Dong Han U/A/D August 15, 2023 Limited Partner Aug 2023 A Less than 5%
Revocable Trust Of Dong Han U/A/D August 15, 2023 Managing Member Aug 2023 B ≈ 56.25% – 100% via Square Circle Ia Gp Llc

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

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

  • Han, Dong, Nmn: 75% – 100% of Revocable Trust Of Dong Han U/A/D August 15, 2023 × 0% – 5% direct ≈ 0% – 5% of the firm
  • Revocable Trust Of Dong Han U/A/D August 15, 2023: 75% – 100% of Square Circle Ia Gp Llc × 75% – 100% direct ≈ 56.25% – 100% 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 (2, $388M gross assets)

FundTypeGross assetsMin. investmentOwners
Anaxagoras Lp Hedge Fund $320M $0 1
Oenopides Lp Hedge Fund $68.4M $1.0M 3

From Form ADV Section 7.B private fund reporting.

Documents (1 archived)

FormPeriodSize
Form ADV (full filing) 03/27/2026 1.39 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

  • Performance-based fees
  • Other fees
  • REIMBURSEMENT OF EXPENSES; BETA EXPOSURE MANAGEMENT FEE

Services

  • Portfolio management for pooled investment vehicles

Custody

Firm reports having custody of client funds or securities (Item 9.A).

No custodian data reported or mined yet.

Source

All data on this page comes from this firm's Form ADV filings, reproduced without modification. Latest filing: Mar 27, 2026.

View current Form ADV (SEC/IAPD) ↗