Platinum Investment Management LTD reported 83 positions worth $396.21M for the quarter ended Jun 30, 2026, up 4.5% on the prior quarter. It opened 10 new positions, added to 7, trimmed 22 and exited 12. Its largest holding is ZTO Express (Cayman) Inc. at 11.3% of the portfolio.
Reported 13F market value at each quarter end. A change mixes trading with price moves in the positions held.
Dollar value of shares bought and sold each quarter, at that quarter’s price. It counts trading only, not price changes.
How many positions were opened, added to, trimmed or closed each quarter.
Share of reported value in each sector at every quarter end.
| Holding | Change | Trade Value | Weight |
|---|---|---|---|
| DDOG Datadog, Inc. | +12.0K | $3.12M | 0.789% |
| ADI Analog Devices Inc | +5,485 | $2.18M | 0.55% |
| NOW ServiceNow, Inc. | +20.0K | $1.99M | 0.501% |
| DASH DoorDash, Inc. | +10.0K | $1.85M | 0.466% |
| IDYA IDEAYA Biosciences, Inc. | +47.1K +51.4% | $1.75M | 1.3% |
| COGT Cogent Biosciences, Inc. | +42.2K +37.6% | $1.63M | 1.51% |
| PANW Palo Alto Networks Inc | +4,766 | $1.63M | 0.41% |
| MPTI M-tron Industries, Inc. | +12.8K | $1.27M | 0.321% |
| GPCR Structure Therapeutics Inc. | +23.5K +35.1% | $1.26M | 1.22% |
| KR Kroger Co | +20.6K +33.9% | $1.14M | 1.14% |
| Holding | Change | Trade Value | Weight |
|---|---|---|---|
| MU Micron Technology Inc | -5,874 -24.8% | $6.78M | 5.18% |
| CAT Caterpillar Inc | -4,000 -47.1% | $4.26M | 1.21% |
| GOOGL Alphabet Inc. | -12.0K -100.0% | $3.45M | Exited |
| MA Mastercard Inc | -5,689 -100.0% | $2.84M | Exited |
| BIRK Birkenstock Holding plc | -65.0K -23.6% | $2.80M | 2.28% |
| ZTS Zoetis Inc. | -32.0K -76.2% | $2.30M | 0.181% |
| ISRG Intuitive Surgical Inc | -4,846 -100.0% | $2.23M | Exited |
| ELF e.l.f. Beauty, Inc. | -27.5K -37.9% | $2.04M | 0.84% |
| VEEV Veeva Systems Inc | -11.1K -100.0% | $1.95M | Exited |
| MSFT Microsoft Corp | -4,134 -100.0% | $1.53M | Exited |
| Holding | Shares | Trade Value | Weight |
|---|---|---|---|
| DDOG Datadog, Inc. | +12.0K | $3.12M | 0.789% |
| ADI Analog Devices Inc | +5,485 | $2.18M | 0.55% |
| NOW ServiceNow, Inc. | +20.0K | $1.99M | 0.501% |
| DASH DoorDash, Inc. | +10.0K | $1.85M | 0.466% |
| PANW Palo Alto Networks Inc | +4,766 | $1.63M | 0.41% |
| MPTI M-tron Industries, Inc. | +12.8K | $1.27M | 0.321% |
| ATEN A10 Networks, Inc. | +28.6K | $1.07M | 0.27% |
| XYZ Block, Inc. | +12.5K | $950.00K | 0.24% |
| SPGI S&P Global Inc. | +1,685 | $686.23K | 0.173% |
| INBX Inhibrx Biosciences, Inc. | +6,146 | $582.33K | 0.147% |
| Holding | Shares Sold | Trade Value | Prior Weight |
|---|---|---|---|
| GOOGL Alphabet Inc. | -12.0K | $3.45M | 0.91% |
| MA Mastercard Inc | -5,689 | $2.84M | 0.75% |
| ISRG Intuitive Surgical Inc | -4,846 | $2.23M | 0.589% |
| VEEV Veeva Systems Inc | -11.1K | $1.95M | 0.515% |
| MSFT Microsoft Corp | -4,134 | $1.53M | 0.404% |
| APH Amphenol Corp | -18.9K | $1.19M | 0.315% |
| BSX Boston Scientific Corp | -17.8K | $1.12M | 0.295% |
| GSAT Globalstar, Inc. | -14.2K | $941.04K | 0.248% |
| BCYC Bicycle Therapeutics Plc | -184.6K | $856.56K | 0.226% |
| MGTX MeiraGTx Holdings plc | -93.9K | $813.37K | 0.215% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | ZTO ZTO Express (Cayman) Inc. | Industrials | 1.99M | $44.63M | 11.26% | 0 | 0.0% | Unchanged | 0.25% |
| 2 | MU Micron Technology Inc | Technology | 17.8K | $20.53M | 5.18% | -5,874 | -24.8% | Reduced | 0% |
| 3 | LRCX Lam Research Corp | Technology | 46.4K | $20.12M | 5.08% | 0 | 0.0% | Unchanged | 0% |
| 4 | TCOM Trip.com Group Ltd | Consumer Discretionary | 351.9K | $14.02M | 3.54% | -27.8K | -7.3% | Reduced | 0.05% |
| 5 | DDL Dingdong (Cayman) Ltd | Consumer Staples | 6.49M | $12.52M | 3.16% | 0 | 0.0% | Unchanged | 1.49% |
| 6 | NOAH Noah Holdings Ltd | Financial Services | 993.6K | $9.93M | 2.51% | 0 | 0.0% | Unchanged | 1.48% |
| 7 | AVGO Broadcom Inc. | Technology | 26.2K | $9.89M | 2.5% | 0 | 0.0% | Unchanged | 0% |
| 8 | BIRK Birkenstock Holding plc | Consumer Discretionary | 210.0K | $9.04M | 2.28% | -65.0K | -23.6% | Reduced | 0.11% |
| 9 | AZN Astrazeneca Plc | Healthcare | 48.1K | $9.00M | 2.27% | 0 | 0.0% | Unchanged | 0% |
| 10 | GOOG Alphabet Inc. | Technology | 24.6K | $8.69M | 2.19% | 0 | 0.0% | Unchanged | 0% |
| 11 | MRK Merck & Co., Inc. | Healthcare | 63.3K | $8.14M | 2.05% | 0 | 0.0% | Unchanged | 0% |
| 12 | ABBV AbbVie Inc. | Healthcare | 30.1K | $7.57M | 1.91% | 0 | 0.0% | Unchanged | 0% |
| 13 | JNJ Johnson & Johnson | Healthcare | 27.8K | $7.07M | 1.78% | 0 | 0.0% | Unchanged | 0% |
| 14 | YUM Yum Brands Inc | Consumer Discretionary | 39.8K | $6.37M | 1.61% | 0 | 0.0% | Unchanged | 0.01% |
| 15 | PDD PDD Holdings Inc. | Technology | 78.4K | $5.98M | 1.51% | 0 | 0.0% | Unchanged | 0.01% |
Tip. Select a row to see that position’s full history at Platinum Investment Management.
As of its Q2 2026 13F filing, Platinum Investment Management LTD’s five largest positions were ZTO Express (Cayman) Inc. (ZTO) at 11.3%, Micron Technology Inc (MU) at 5.2%, Lam Research Corp (LRCX) at 5.1%, Trip.com Group Ltd (TCOM) at 3.5%, Dingdong (Cayman) Ltd (DDL) at 3.2% of the reported portfolio.
Platinum Investment Management LTD reported a 13F portfolio worth $396.21M across 83 positions for Q2 2026. That is up 4.5% from the previous quarter.
Its largest purchases by value were Datadog, Inc. ($3.12M), Analog Devices Inc ($2.18M), ServiceNow, Inc. ($1.99M). It opened 10 new positions.
Its largest sales by value were Micron Technology Inc ($6.78M), Caterpillar Inc ($4.26M), Alphabet Inc. ($3.45M). It exited 12 positions entirely.
From the Form 13F-HR reports Platinum Investment Management LTD files with the SEC each quarter, within 45 days of quarter end. A 13F lists long positions in US-listed equities and options; it excludes short positions, cash, bonds and most non-US holdings.
13F data reflects long positions in US-listed equities and options as reported to the SEC up to 45 days after quarter end. It excludes short positions, cash, bonds and most non-US securities, so it is not a complete picture of a manager’s assets.