Ledger.
Investor · New York, NY

Stone Ridge Holdings Group LP

Open Stone in the network graph →
Filings
9
SEC Form D
Connections
17
co-filers
Capital
$4.0B
across filings
Active
Dec 2018
to Dec 2025

Most-connected co-filers (17)

Benjamin Lawsky · Hamilton, Bermuda7 sharedTomer Seifan · Hamilton, Bermuda7 sharedRichard Taylor · Hamilton, Bermuda7 sharedMichael C. Sapnar · Hamilton, Bermuda4 sharedAleks Larson · Brooklyn, NY4 sharedKyu Jo · New York, NY4 sharedAnthony L. Ludlow · Plano, TX4 sharedRobert K. Maloney · Newtown Square, PA4 sharedLee Linden · Seattle, WA4 sharedBenjamin D. Pierson · New York, NY4 sharedDelian Asparouhov · San Francisco, CA4 sharedDennison Bertram · Brooklyn, NY4 sharedRoss Stevens · Hamilton, Bermuda3 sharedReuben Grinberg · New York, NY1 sharedIan H. Taylor · HAMILTON, Bermuda1 sharedRobert Gutmann · New York, NY1 sharedG. Haslett · New York, NY1 shared

Recent filings (9)

Longtail Insurance Holdings Ltd.Dec 2025 · 5 co-filersLongtail Insurance Holdings Ltd.Dec 2025 · 5 co-filersLongtail Insurance Holdings Ltd.Dec 2024 · 7 co-filersLongtail Insurance Holdings Ltd.Dec 2024 · 7 co-filersLongtail Insurance Holdings Ltd.Dec 2023 · 5 co-filersLongtail Insurance Holdings Ltd.Dec 2023 · 5 co-filersLongtail Insurance Holdings Ltd.Dec 2022 · 5 co-filersLongtail Insurance Holdings Ltd.Dec 2022 · 5 co-filersLongtail Insurance Holdings Ltd.Dec 2021 · 13 co-filersLongtail Insurance Holdings Ltd.Dec 2021 · 13 co-filersLongtail Insurance Holdings Ltd.Sep 2021 · 13 co-filers$500.0MLongtail Insurance Holdings Ltd.Sep 2021 · 13 co-filers$500.0MLongtail Insurance Holdings Ltd.Sep 2020 · 13 co-filers$500.0MLongtail Insurance Holdings Ltd.Sep 2020 · 13 co-filers$500.0MLongtail Insurance Holdings Ltd.Sep 2019 · 9 co-filers$500.0MLongtail Insurance Holdings Ltd.Sep 2019 · 9 co-filers$500.0MMadison Avenue Opportunities LLCDec 2018 · 5 co-filersMadison Avenue Opportunities LLCDec 2018 · 5 co-filers

Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Stone in the interactive graph →