Stone Ridge Asset Management

Asset Manager SEC-registered adviser

Legal name: Stone Ridge Asset Management LLC

New York, NY Website

AUM

$36.3B
Regulatory AUM

Private funds

19
Hedge Fund 13 · Private Equity 6

Private fund assets

$8.1B
Gross asset value

Employees

238

Last Form D raise

Apr 2026
Most recent fund filing

From SEC Form ADV filing (filed Aug 24, 2026). View on SEC

People(3)

Owners and executive officers named on the firm's SEC Form ADV.

P
Paul Germain
President
Source: SEC Form ADV
R
Ross Stevens
Chief Executive Officer
Source: SEC Form ADV
T
Tomer Seifan
Head of Alternative Fixed Income and Chief Financial Officer
Source: SEC Form ADV

Funds(19)

Private funds reported on Form ADV, with amounts raised from the funds' SEC Form D filings.

FundTypeGross assetsRaised (Form D)InvestorsLast Form DRecency
Stone Ridge Blackbird Co-Invest LPHedge Fund$520.1M——Apr 2026Warm
Stone Ridge Opportunities Fund LPHedge Fund$2.3B$935.6M188Jan 2026Warm
Stone Ridge Select Opps Fund LPHedge Fund$215.3M——Dec 2025Warm
Stone Ridge Energy Acquisition Fund III LPHedge Fund$629.8M——Nov 2025Warm
Stone Ridge Energy Acquisition Fund III (pv) LPHedge Fund$10.3M——Nov 2025Warm
Stone Ridge Ovrt Fund LPHedge Fund$84.6M——Oct 2025Warm
Longtail Feeder Fund III LPPrivate Equity$128.9M$33.4M103Sep 2025Cool
Srrf LPHedge Fund$382.3M$419.6M12Mar 2025Cool
Stone Ridge Energy Acquisition Fund II (pv) LPHedge Fund$102.8M——Jan 2025Cool
Stone Ridge Energy Acquisition Fund II LPHedge Fund$1.0B——Jan 2025Cool
Longtail Fund I LPPrivate Equity$94.1M$50.8M18Sep 2024Cold
Longtail Feeder Fund II LPPrivate Equity$36.3M$10.6M8Dec 2023Cold
Stone Ridge Energy Acquisition Fund LPHedge Fund$496.3M$90.8M9Oct 2023Cold
Energy Acquisition Vehicle II LPHedge Fund$58.5M——May 2023Cold
Energy Acquisition Vehicle LPHedge Fund$83.5M——Sep 2022Cold

Board seats(1)

Companies whose SEC Form D filings name one of this firm's people as a director, matched by name and office ZIP code.

Longball Capital
OtherBrooklyn, NYDirector: Ross Stevens
$4.0M raised
Since Aug 2023
SEC Form D

Regulatory identifiers

CRD number
165598
SEC file number
801-77228
CIK
1584728

Sources