Top funds
No. 1 this year · Hedge fund · New York

Arquitos

Run by Steven Kiel since 2012. Makes a handful of big bets on small drug companies and legal fights it thinks others have misjudged.
If you’d given them $1,000 on January 1, by June 30 you’d have
$1,529
52.9% in 2026, through Jun 30
The rose 9.6% over the same months (not counting dividends, the cash some companies pay their owners).

Their record

In 2025:
$1,000
$1,821
(+82.1%)
The S&P 500 rose 16.4% in 2025 (not counting dividends, the cash some companies pay their owners).
S&P 500 data: S&P Dow Jones Indices LLC, via FRED.

What they own

From the fund’s own letters, biggest first where they say. The % is how much of the fund is in that company. Tap a stock to open its page.
New
A full bar is 10% of the fund.
— aren’t counted in share of the fund.
— : their letter doesn’t say how much.

Just bought

1
First reported in the fund’s own letters since April 2026. Older buys show as plain holdings.

Sold

1
First reported in the fund’s own letters since April 2026.

Year by year

Each calendar year’s result, after fees, for Arquitos Capital Partners, LP. 2024, 2025 and this year come only from copies of the manager’s letters published by Hedge Fund Alpha; the letters themselves are password-protected.
From Apr 10, 2012 to Jun 30, 2026, it grew 17.4% a year on average, after fees. Up in 10 of the 15 years shown, down in 5.
2026 · Jan 1 – Jun 30
+52.9%
2025
+82.1%
2024
+29.6%
2023
+22.1%
2022
−52.9%
2021
+54.9%
2020
−2.3%
2019
−14.7%
2018
−31.3%
2017
+64.0%

Who invests with them

Arquitos doesn’t file a Form ADV with the SEC (the form that lists a firm’s investors and money), so its investors aren’t public.

At a glance

Stocks their letters name
3
Holdings as of
Jun 30, 2026
Run by
Steven Kiel
Based in
New York
Investing since
2012
Their latest letter
Read it ↗︎

Good to know

  • A small fund with only 3–5 holdings, so single bets swing it hard.
  • It doesn’t file the government report, so we show what its letters say.
Holdings from Arquitos’ own letters to its investors, as of Jun 30, 2026.
Not investment advice. For information and education only. Holdings: SEC Form 13F filings and the funds’ own letters. Returns: as reported by the funds or the press, linked at each number. Investors and money managed: the managers’ Form ADV filings with the SEC. Not affiliated with the SEC or any fund.