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PLATINUM INVESTMENT MANAGEMENT LTD

Location
SYDNEY AUSTRALIA 2000, C3
Portfolio Value
Small $389,973,364
Diversification
Diversified
Filing Date
Global Rank
#3,010 / 8,622 ▼ 62 · as of Mar 2026
Top Industry
Biotechnology 18.1%
3Y Alpha vs SPY
-2.2%
Period ended 4 months ago
Filed May 14, 2026 · 3mo
25 quarters · since Mar 2020

Clone Performance

Jul 2023–Jul 2026 · vs SPY

Hypothetical growth of buying every stock this filer reported holding, rebalancing on each filing and indexed to the same start. Option positions cannot be bought this way and are left out.

Cloned portfolio
+56.5%
SPY
+67.9%
Annualised alpha
-2.7%
Max drawdown
−30.0%

Estimate. 13F holdings are quarter-lagged, so the clone rebalances about 45 days after each period end — when the filing becomes public — and it excludes option and short positions. It tracks 100% of reported value on average across 13 quarters. Past performance does not predict future results.

Portfolio Concentration

88 tracked positions · as of Mar 31, 2026 · Δ vs Dec 31, 2025
Top Position
12.9%
+2.9 pts
Top 5
27.1%
+0.6 pts
Top 10
38.2%
+1.6 pts
HHI
310
Jun 2023 → Mar 2026 · range 270 – 675
Diversified+40

Portfolio Trend

25 quarters · across all stocks

Sector Breakdown

As of Mar 31, 2026
Sector % Portfolio Value
Healthcare 31.1% $121,393,441
Consumer Cyclical 18.8% $73,490,365
Industrials 15.7% $61,411,435
Technology 12.3% $48,150,718
Financial Services 7.3% $28,650,485
Consumer Defensive 6.5% $25,459,910
Communication Services 4.9% $19,184,849
Energy 2.3% $9,105,811
Real Estate 0.8% $3,126,350

Last Quarter's Activity

Export CSV
Mar 31, 2026 vs Dec 31, 2025

Added To

Positions the filer increased
16 positions
Ticker Δ Shares Shares Value Open

Trimmed

Positions the filer reduced
25 positions
Ticker Δ Shares Shares Value Open

New Positions

Positions the filer opened this quarter
7 positions
Ticker Shares Value Open

Sold Out

Positions the filer fully exited
25 positions
Ticker Shares Value Open

Portfolio Positions

Export CSV View 13F filing
88 tracked positions · $389,973,364 total · filing declares 89 positions · $396,751,545 · as of Mar 31, 2026
Showing 1–50 of 88 positions by value · page 1 of 2
Ticker Company Shares Value (USD) % of Portfolio History

Covers the securities this platform tracks: U.S.-listed common stock and the put/call positions reported on it. A 13F can also report security types outside that coverage — preferred shares, bonds, warrants, untracked share classes — so the filing's own declared total can exceed the figures above. The source filing is linked at the top of this table.