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Built from publicly disclosed institutional and insider activity. Informational purposes only - not investment advice.OpenStocks · v0.1
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  1. Home/
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  3. John Paulson (Paulson & Co)
  • Overview
  • Portfolio9
  • Performance40Q
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Hedge Fund · CIK 0001035674

John Paulson

Paulson & Co
Share
  • Healthcare Specialist
  • Highly Concentrated
  • Mid-Size Fund

John Paulson runs Paulson & Co, a hedge fund overseeing $3.26B in disclosed equity holdings (SEC CIK 0001035674). The latest portfolio (2025Q4) discloses 9 positions across 4 sectors, with the largest positions in MDGL, PPTA and BHC. On a mark-to-market basis the tracked portfolio has returned 95.4% over the past year. OpenStocks tracks 40 consecutive quarterly snapshots for this manager — every position change, new entry, and exit is logged below.

Track John's filingsView holdings↓
Portfolio
$3.26B
Positions
9
Quarter
2025Q4
Filings tracked
40
1Y+95.4%Full performance →
Quarter
2025Q42025Q32025Q22025Q12024Q42024Q32024Q22024Q12023Q42023Q32023Q22023Q1
Biggest winner since filing
PPTAPERPETUA RESOURCES CORP
+304.6%
+$825.6M
Biggest loser since filing
BHCBAUSCH HEALTH COS INC
-53.8%
−$503.7M

Investment strategy

John Paulson is a mid-size fund with a highly concentrated portfolio tilted toward healthcare names. 46% of the disclosed equity book is in Healthcare.

Embed this chart
Paste this iframe anywhere to embed the live MDGL chart.
<iframe src="https://openstocks.me/embed/stocks/MDGL" width="100%" height="480" frameborder="0" loading="lazy" title="MDGL chart by OpenStocks" style="border:0;border-radius:12px;background:transparent"></iframe>
Preview: https://openstocks.me/embed/stocks/MDGL

Holdings

4 sectors
9 positions
Top 3 = 70% of book · MDGL, PPTA, BHC
View full portfolio →

Performance

vs SPY
40 quarters tracked
Mark-to-market portfolio growth vs SPY benchmark, with AUM and concentration history.
View performance →

Options & derivatives

No options
John Paulson has no PUT or CALL positions disclosed for this quarter.
View options →

Activity & trades

Quarter-by-quarter
Last move 2025Q4
ADD BHC — and 4 more recent moves.
View activity →

Recent transactions

See full activity →
ADD
John Paulson (Paulson & Co) added to BHC
BAUSCH HEALTH COS INC
+2,500,000
~$6.95 · 2025Q4
2026-02-17
SOLD
John Paulson (Paulson & Co) exited HON
HONEYWELL INTL INC
−200,000
~$210.50 · 2025Q4
2026-02-17
TRIM
John Paulson (Paulson & Co) trimmed MDGL
MADRIGAL PHARMACEUTICALS INC
−200,001
~$582.34 · 2025Q4
2026-02-17
ADD
John Paulson (Paulson & Co) added to THRY
THRYV HLDGS INC
+67,070
~$6.05 · 2025Q4
2026-02-17
SOLD
John Paulson (Paulson & Co) exited TMQ
TRILOGY METALS INC NEW
−14,326,996
~$2.10 · 2025Q4
2026-02-17
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