Funds · 13F filer · Sydney Australia 2000, C3

Platinum Investment Management Ltd

$406.7M in 85 U.S. stocks and ETFs at the end of June 30, 2026, as reported to the SEC.1

1y return+35.2%S&P 500 +20.9%
3y return+57.0%S&P 500 +68.5%
5y return+33.8%S&P 500 +74.5%
10y return+202.7%S&P 500 +256.5%

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 June 30, 2016: $303 against $357 in the S&P 500.2

Platinum Investment Management LtdS&P 500 (SPY)
$100$35720162026

Top holdings

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

StockValueShare of portfolioChange
ZTOZto Express Cayman Inc$44.6M11.0%
MUMicron Technology Inc$20.5M5.0%−24.8%
LRCXLam Research Corp$20.1M4.9%
TCOMTrip Com Group Ltd$14.0M3.4%−7.3%
DDLDingdong Cayman Ltd$12.5M3.1%
NOAHNoah Hldgs Ltd$9.9M2.4%
AVGOBroadcom Inc$9.9M2.4%
Birkenstock Holding PLCCUSIP M2029K104$9.0M2.2%−23.6%
Astrazeneca PLCCUSIP G0593M107$9.0M2.2%
GOOGAlphabet Inc$8.7M2.1%
MRKMerck & Co Inc$8.1M2.0%
Apogee Therapeutics IncCUSIP 03770N101$7.7M1.9%
ABBVAbbvie Inc$7.6M1.9%
JNJJohnson & Johnson$7.1M1.7%
YUMYum Brands Inc$6.4M1.6%
PDDPdd Holdings Inc$6.0M1.5%
COGTCogent Biosciences Inc$6.0M1.5%+37.6%
Ubs Group AgCUSIP H42097107$5.8M1.4%
NVDANvidia Corporation$5.6M1.4%
IMVTImmunovant Inc$5.6M1.4%−20.4%
ARWRArrowhead Pharmaceuticals In$5.3M1.3%
IDYAIdeaya Biosciences Inc$5.2M1.3%+51.4%
IQVIqvia Hldgs Inc$5.2M1.3%
HTHTH World Group Ltd$4.9M1.2%
VERAVera Therapeutics Inc$4.9M1.2%

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
Apogee Therapeutics IncCUSIP 03770N101September 30, 2023+523.1%$7.7M
LRCXLam Research CorpDecember 31, 2024+499.9%$20.1M
GOOGAlphabet IncJune 30, 2020+399.9%$8.7M
NVDANvidia CorporationJune 30, 2023+373.0%$5.6M
CCJCameco CorpSeptember 30, 2022+284.3%$4.3M
COGTCogent Biosciences IncDecember 31, 2020+244.6%$6.0M
AVGOBroadcom IncDecember 31, 2023+238.4%$9.9M
ARWRArrowhead Pharmaceuticals InMarch 31, 2023+220.9%$5.3M
IDYAIdeaya Biosciences IncSeptember 30, 2020+196.7%$5.2M
AMDAdvanced Micro Devices IncDecember 31, 2025+171.3%$4.2M

Sold off last quarter

  • Terns Pharmaceuticals IncCUSIP 880881107 was $5.8M
  • Centessa Pharmaceuticals PLCCUSIP 152309100 was $5.5M
  • GOOGLAlphabet Inc was $3.5M
  • MAMastercard Incorporated was $2.8M
  • ISRGIntuitive Surgical Inc was $2.2M
  • VEEVVeeva Sys Inc was $2.0M
  • MSFTMicrosoft Corp was $1.5M
  • APHAmphenol Corp was $1.2M
  • BSXBoston Scientific Corp was $1.1M
  • GSATGlobalstar Inc was $941K

Quarter by quarter

QuarterIts picksS&P 500
June 30, 2026+6.1%+14.8%
March 31, 2026−2.8%−4.6%
December 31, 2025+12.8%+2.4%
September 30, 2025+16.3%+7.8%
June 30, 2025+11.7%+10.5%
March 31, 2025−7.1%−4.6%
December 31, 2024−8.2%+2.1%
September 30, 2024+5.1%+5.4%
June 30, 2024+1.1%+4.0%
March 31, 2024+5.1%+10.0%
December 31, 2023+9.9%+11.2%
September 30, 2023−0.7%−3.6%
June 30, 2023+1.4%+8.3%
March 31, 2023+8.6%+7.0%
December 31, 2022+14.1%+7.1%
September 30, 2022−7.6%−5.3%
June 30, 2022−13.3%−16.5%
March 31, 2022−9.5%−4.9%
December 31, 2021+0.3%+10.7%
September 30, 2021−6.6%+0.3%

Sources

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

  1. 1
    CIK 1256071
  2. 2
    Filed August 13, 2026 · accession 0001256071-26-000007