Form D · Hedge Fund

Linear B Master Fund LP

New York, NY · CIK 0001878538

Offering snapshot reported Aug 14, 2026 · SEC filing

Reported sold: $7.88M
Investors reported: 6
Minimum accepted: $100K
First sale: Aug 9, 2021

Fundraising history

Reported sold

Dates are filing dates, not cash receipt dates. Decreases are reported revisions, not evidence of withdrawals. Separate offering histories are not added together.

What changed?

Latest filing versus its linked predecessor, where available.

Reported sold$6,529,458 → $7,884,448

Filing history

Scroll to see all columns →

Filed	Filing type	Reported sold	Change vs linked filing	Investors	Source
Aug 14, 2026	Amendment	$7,884,448	$1,354,990vs Aug 15, 2025	6	SEC filing
Aug 15, 2025	Amendment	$6,529,458	No comparison	Not reported	SEC filing
Aug 15, 2024	Amendment	$6,269,920	$518,920vs Aug 14, 2023	3	SEC filing
Aug 14, 2023	Amendment	$5,751,000	$0vs Aug 16, 2022	3	SEC filing
Aug 16, 2022	Amendment	$5,751,000	$0vs Aug 20, 2021	3	SEC filing
Aug 20, 2021	Initial	$5,751,000	No comparison	Not reported	SEC filing

Offering details

Securities: Equity, Pooled investment fund
Exemptions: 06b, 3C, 3C.7
Duration over one year: Yes
Business combination: No

Sales commissions: $0 (estimated)
Finders' fees: $0 (estimated)
Form D file number: 021-410698

Source: Form D, filed Aug 14, 2026. Minimum accepted may differ from a standard advertised minimum.

Fund connections

The linked fund shows its most recently reported ADV details.

Matched by reported Form D file number

LINEAR B MASTER FUND LP

Investment adviser: LINEAR B PARTNERS LP

Gross asset value: $1.49B
Beneficial owners: 11
ADV minimum commitment: $1M

Reported in Form ADV on Sep 25, 2026. Fund assets and beneficial owners measure different things from Form D sales and investors.

Service providers

Fund administrator SS&C TECHNOLOGIES NEW YORK, New York, United States Investor statements: Yes (provided to all investors) Related to adviser: No

Auditor PRICEWATERHOUSECOOPERS GRAND CAYMAN, Cayman Islands

Custodian J.P. MORGAN SECURITIES LLC NEW YORK, New York, United States Related to adviser: Yes

Custodian US BANK NEW YORK, New York, United States Related to adviser: No

Prime broker J.P. MORGAN SECURITIES LLC NEW YORK, New York, United States

Prime broker TD PRIME SERVICES LLC NEW YORK, New York, United States

Provider details

Annual audit: Yes
Prime brokers: Yes
Custodians: Yes
Administrator other than the adviser: Yes
External marketing: No

PRICEWATERHOUSECOOPERS
PCAOB 1266

J.P. MORGAN SECURITIES LLC
SEC 8-35008

US BANK
LEI 6BYL5QZYBDK8S7L73M02

J.P. MORGAN SECURITIES LLC
CRD 79 · SEC 8-35008

TD PRIME SERVICES LLC
CRD 1914 · SEC 8-3337

Filing source

Form ADV 2134846 · Sep 25, 2026 · Schedule D 7.B.(1), fund 805-9722910680

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.

People & organizations

Current and past Form D appearances. These existing records do not establish a person's current role or uniquely identify them across issuers.

People and organizations reported in Form D filings
Name	Reported role
Linear B Fund Gp Llc	Executive
Linear B Partners Lp	Executive

Issuer details

Industry: Pooled Investment Fund (See others in industry)

Address:

C/O Linear B Partners Lp 437 Madison Ave, 20 Th Floor
New York, NY, 10022