HedgeMountain

Square Wave Capital

Brooklyn, NY · CRD 318517
Hedge fund manager

Square Wave Capital is an SEC-registered investment adviser based in Brooklyn, NY that reports managing 1 hedge fund on Form ADV. It reports $428.8 million in regulatory assets under management. Its private funds, of all types, hold $359.8 million in gross assets. Its disclosed U.S. stock holdings returned an estimated +9.3% 2026 YTD through Jun 30 (S&P 500: +9.5%), based on 13F filings. Over a longer period they returned an estimated +0.9% from Q1 2025 to Q2 2026, compared with +27.4% for the S&P 500, based on 13F filings.

Regulatory assets under management
$428.8 millionForm ADV Item 5.F
Gross assets of private funds
$359.8 millionAll private fund types, Form ADV
Hedge funds managed
11 private funds in total
Employees
4Form ADV Item 5.A
Registration
SEC-registered adviserCRD 318517
Latest Form ADV
03/31/2026Disciplinary disclosures: none reported

Estimated 13F portfolio performance

Est. 2026 YTD+9.3%Through Q2 2026 · S&P 500 +9.5%
Est. 2-year return+0.9%Q1 2025 – Q2 2026
S&P 500+27.4%Same quarters, price only
13F holdings$670.3 million11 positions, 2026-06-30
$81$104$127Q1 2025Q3 2025Q1 202613F est. $101S&P 500 $127
QuarterEst. 13F returnS&P 500
Q2 2026+24.2%+14.8%
Q1 2026-12.1%-4.6%
Q4 2025-1.8%+2.4%
Q3 2025-12.9%+7.8%
Q2 2025+12.0%+10.4%
Q1 2025-3.6%-4.5%

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

  • Micron Technology Inc Com$103.4 million
  • Asml Holding N.V.$95.1 million
  • Allegheny Technologies Inc.$87.7 million
  • Marriott Intl Inc New CL A$86.1 million
  • Amazon Com Inc Com$85.5 million
  • Carpenter Technology Corp$76.4 million
  • Alphabet, Inc Voting Class$39.4 million
  • Intel Corp Com$31.8 million
  • Tradeweb Mkts Inc$27.9 million
  • Ftai Aviation LTD SHS$24.7 million

As of 2026-06-30, from 13F filing by Square Wave Capital, LLC.

Hedge funds filing Form D (2)

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. HedgeMountain has not verified this information, and it is not an offer, solicitation or recommendation. Full disclosures