AltMountain

SCS Capital Management LLC

Boston, MA · CRD 122258
Hedge fund manager

SCS Capital Management LLC is an SEC-registered investment adviser based in Boston, MA that reports managing 6 hedge funds on Form ADV. It reports $48.7 billion in regulatory assets under management. Its private funds, of all types, hold $16.8 billion in gross assets. Its disclosed U.S. stock holdings returned an estimated +8.1% 2026 YTD through Jun 30 (S&P 500: +9.5%), based on 13F filings. Over a longer period they returned an estimated +29.8% from Q3 2024 to Q2 2026, compared with +37.2% for the S&P 500, based on 13F filings.

Regulatory assets under management
$48.7 billionForm ADV Item 5.F
Gross assets of private funds
$16.8 billionAll private fund types, Form ADV
Hedge funds managed
662 private funds in total
Employees
213Form ADV Item 5.A
Registration
SEC-registered adviserCRD 122258
Latest Form ADV
07/14/2026Disciplinary disclosures: none reported

Estimated 13F portfolio performance

Est. 2026 YTD+8.1%Through Q2 2026 · S&P 500 +9.5%
Est. 2-year return+29.8%Q3 2024 – Q2 2026
S&P 500+37.2%Same quarters, price only
13F holdings$10.6 billion485 positions, 2026-06-30
$100$119$137Q3 2024Q1 2025Q3 2025Q1 202613F est. $130S&P 500 $137
QuarterEst. 13F returnS&P 500
Q2 2026+9.8%+14.8%
Q1 2026-1.6%-4.6%
Q4 2025+2.0%+2.4%
Q3 2025+6.2%+7.8%
Q2 2025+8.3%+10.4%
Q1 2025-1.3%-4.5%
Q4 2024-1.4%+2.1%
Q3 2024+5.2%+5.4%

Estimate of the firm's disclosed long U.S. stock portfolio from its quarterly 13F filings, holding each quarter-end portfolio to the next quarter-end at prices implied by all 13F filers. It is a price return before dividends and fees, ignores shorts, options, bonds, cash and trading within the quarter, and is not the return of any fund. Disclosures

Largest disclosed holdings

  • Vanguard Interm. Treasury$1.2 billion
  • Vanguard Total Stock Market ETF$950.4 million
  • Ishares Russell 3000 ETF$792.5 million
  • Vanguard Ftse Developed Markets ETF$648.9 million
  • SPDR S&P 500 ETF TR$518.7 million
  • Schwab US Broad Market ETF$345.6 million
  • Schwab International Equity ETF$344.3 million
  • Vanguard S&P 500 ETF$293.9 million
  • SPDR Series Trust State Street$276.5 million
  • SPDR Portfolio S&P 500 Growth$230.2 million

As of 2026-06-30, from 13F filing by SCS Capital Management LLC.

Hedge funds filing Form D (3)

Matched to this firm by the fund names and related persons in each Form D. The list may be incomplete.

Private equity funds filing Form D (14)

Fund
First sale
Raised
Investors
Minimum
Offering
Private Equity X, LP
Boston, MA
First saleMar 2025
Raised$1.1B
Investors759
Minimum$100K
Offering506(b)
Private Equity X - Venture/Growth, LP
Boston, MA
First saleMar 2025
Raised$454M
Investors10
Minimum$100K
Offering506(b)
Private Opportunistic Assets II, LP
Boston, MA
First saleOct 2023
Raised$412M
Investors357
Minimum$100K
Offering506(b)
Private Equity X - Buyouts, LP
Boston, MA
First saleMar 2025
Raised$310M
Investors10
Minimum$100K
Offering506(b)
Private Equity IX Offshore, LP
Grand Cayman, Cayman IslandsOffshore
First saleApr 2023
Raised$224M
Investors174
Minimum$100K
Offering506(b)
Private Equity X Offshore, LP
Grand Cayman, Cayman IslandsOffshore
First saleMar 2025
Raised$157M
Investors127
Minimum$100K
Offering506(b)
Private Opportunistic Assets II - Tax-Exempt, LP
Boston, MAEmerging
First saleDec 2023
Raised$41.0M
Investors23
Minimum$100K
Offering506(b)
Pinegrove Capital Partners I Access, L.P.
New York City, NYEmerging
First saleSep 2025
Raised$19.9M
Investors66
Minimum$100K
Offering506(b)
Edge Private Opportunities Fund, LP
Boston, MA
First saleOct 2013
Raised$19.6M
Investors14
Minimum$500K
Offering506(b)
Private Opportunistic Assets II - Opportunistic, LP
Boston, MAEmerging
First saleNov 2023
Raised$17.2M
Investors20
Minimum$100K
Offering506(b)
Private Opportunistic Assets II - Real Assets, LP
Boston, MA
First sale—
Raised$6.8M
Investors3
Minimum$100K
Offering506(b)
Private Opportunistic Assets III - Tax-Exempt, LP
Boston, MA
First sale—
Raised$0
Investors0
Minimum$100K
Offering506(b)
Private Opportunistic III, LP
Boston, MA
First sale—
Raised$0
Investors0
Minimum$100K
Offering506(b)
Private Opportunistic Assets III, LP
Boston, MA
First sale—
Raised$0
Investors0
Minimum$100K
Offering506(b)

Matched to this firm by the fund names and related persons in each Form D. The list may be incomplete.

From SEC filings. Firm data comes from the SEC's Form ADV data as of Oct 2, 2026; performance estimates come from Form 13F. AltMountain has not verified this information, and it is not an offer, solicitation or recommendation. Full disclosures