Funds · 13F filer · Fort Worth, TX

BIOS Capital Management, LP

$41.7M in 6 U.S. stocks and ETFs at the end of June 30, 2026, as reported to the SEC.1

1y return−48.0%S&P 500 +20.9%

These returns are for its stock picks as disclosed on Form 13F: last quarter's holdings, valued at this quarter's prices. They miss trades within each quarter, short positions, options, bonds, cash and fees, so they aren't the returns its clients got.

$100 invested in its stock picks

Since December 31, 2024: $39 against $127 in the S&P 500.2

BIOS Capital Management, LPS&P 500 (SPY)
$39$100$12720242026

Top holdings

At the end of June 30, 2026. Change is in shares since the quarter before.2

StockValueShare of portfolioChange
ACTUActuate Therapeutics Inc$15.4M36.9%
IRDOpus Genetics Inc$15.1M36.3%
CGTXCognition Therapeutics Inc$6.9M16.6%
RNTXRein Therapeutics Inc$3.1M7.4%+50.4%
LTRNLantern Pharma Inc$1.0M2.5%−71.1%
INABIn8bio Inc$114K0.3%−51.8%

Best picks still held

How each current holding has done since the quarter it first appeared in its filings (up to six years back).

StockHeld sinceReturn sinceNow worth
IRDOpus Genetics IncDecember 31, 2024+245.4%$15.1M
INABIn8bio IncDecember 31, 2025−39.7%$114K
RNTXRein Therapeutics IncDecember 31, 2024−54.8%$3.1M
ACTUActuate Therapeutics IncDecember 31, 2024−80.8%$15.4M

Quarter by quarter

QuarterIts picksS&P 500
June 30, 2026−23.2%+14.8%
March 31, 2026−36.1%−4.6%
December 31, 2025−6.5%+2.4%
September 30, 2025+13.2%+7.8%
June 30, 2025−10.7%+10.5%
March 31, 2025−15.9%−4.6%

Sources

Every number on this page points here. Each one links to the public record.

  1. 1
    CIK 1813845
  2. 2
    Filed August 14, 2026 · accession 0001813845-26-000004