PLATINUM INVESTMENT MANAGEMENT LTD

CIK 0001256071 · SYDNEY AUSTRALIA 2000, C3 · Quarter end: 2026-06-30 · Filed on: 2026-08-13 · Open the SEC source

PLATINUM INVESTMENT MANAGEMENT LTD reported 85 positions worth $406.7M as of June 30, 2026 (13F filed August 13, 2026). Largest holding: ZTO (11.0%).

Portfolio Value (AUM)Total value of the fund's US stock portfolio reported to the SEC.
$406.7M
2026 Q2
Positions
85
Top-10 ConcentrationHow much of the portfolio sits in the 10 largest holdings. High = concentrated bets.
38.9%
Est. Net Flow (Q)
2026 Q2
10 / 85 positions shown
#SymbolCompanyTypeValue% Port.Shares1YYTD
1ZTOZTO EXPRESS CAYMAN INCSH$44.6M10.97%1,994,127
2MUMICRON TECHNOLOGY INCSH$20.5M5.05%17,782
3LRCXLAM RESEARCH CORPSH$20.1M4.95%46,439
4TCOMTRIP COM GROUP LTDSH$14.0M3.45%351,921
5DDLDINGDONG CAYMAN LTDSH$12.5M3.08%6,486,507
6NOAHNOAH HLDGS LTDSH$9.9M2.44%993,612
7AVGOBROADCOM INCSH$9.9M2.43%26,186
8BIRKBIRKENSTOCK HOLDING PLCSH$9.0M2.22%210,000
9AZNASTRAZENECA PLCSH$9.0M2.21%48,088
10GOOGALPHABET INCSH$8.7M2.14%24,592

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Read the 2026-Q2 quarterly report · 13F Filing Calendar

Frequently Asked Questions

What stocks does PLATINUM INVESTMENT MANAGEMENT LTD hold as of Q2 2026?

PLATINUM INVESTMENT MANAGEMENT LTD reported 85 positions worth $406.7M in its Q2 2026 13F filing. Largest positions: ZTO (11.0%), MU (5.0%), LRCX (4.9%), TCOM (3.4%) and DDL (3.1%).

What did PLATINUM INVESTMENT MANAGEMENT LTD buy in Q2 2026?

No previous quarter is available yet; the comparison appears with the next filing.

What did PLATINUM INVESTMENT MANAGEMENT LTD sell in Q2 2026?

No previous quarter is available yet.

13F data shows quarter-end positions, is delayed by up to 45 days and covers only long positions in US-listed securities; short positions, most derivatives and non-US assets are not reported.