Platinum Investment Management LTD 13F holdings
Platinum Investment Management LTD reported 85 positions with a total reported value of $406.7M as of 2026-06-30, in its 13F for Q2 2026, filed 2026-08-13. Top holdings by reported value: ZTO ZTO EXPRESS CAYMAN INC (11.0%), MU MICRON TECHNOLOGY INC (5.0%), LRCX LAM RESEARCH CORP (4.9%), TCOM TRIP COM GROUP LTD (3.4%), DDL DINGDONG CAYMAN LTD (3.1%). Against 2026-03-31 it opened 10 new positions and exited 13. Next 13F due by 2026-11-14, the legal deadline 45 days after the quarter ending 2026-09-30.
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Top holdings
25 largest of 85 positions · reported value as of 2026-06-30
| Holding | Shares | Reported value | % of portfolio |
|---|---|---|---|
| ZTO ZTO EXPRESS CAYMAN INC | 1,994,127 | $44.6M | 11.0% |
| MU MICRON TECHNOLOGY INC | 17,782 | $20.5M | 5.0% |
| LRCX LAM RESEARCH CORP | 46,439 | $20.1M | 4.9% |
| TCOM TRIP COM GROUP LTD | 351,921 | $14.0M | 3.4% |
| DDL DINGDONG CAYMAN LTD | 6,486,507 | $12.5M | 3.1% |
| NOAH NOAH HLDGS LTD | 993,612 | $9.9M | 2.4% |
| AVGO BROADCOM INC | 26,186 | $9.9M | 2.4% |
| BIRK BIRKENSTOCK HOLDING PLC | 210,000 | $9.0M | 2.2% |
| AZN ASTRAZENECA PLC | 48,088 | $9.0M | 2.2% |
| GOOGL ALPHABET INC | 24,592 | $8.7M | 2.1% |
| MRK MERCK & CO INC | 63,316 | $8.1M | 2.0% |
| APGE APOGEE THERAPEUTICS INC | 58,314 | $7.7M | 1.9% |
| ABBV ABBVIE INC | 30,102 | $7.6M | 1.9% |
| JNJ JOHNSON & JOHNSON | 27,830 | $7.1M | 1.7% |
| YUM YUM BRANDS INC | 39,847 | $6.4M | 1.6% |
| PDD PDD HOLDINGS INC | 78,445 | $6.0M | 1.5% |
| COGT COGENT BIOSCIENCES INC | 154,220 | $6.0M | 1.5% |
| AMUB UBS GROUP AG | 117,507 | $5.8M | 1.4% |
| NVDA NVIDIA CORPORATION | 28,191 | $5.6M | 1.4% |
| IMVT IMMUNOVANT INC | 144,671 | $5.6M | 1.4% |
| ARWR ARROWHEAD PHARMACEUTICALS IN | 64,752 | $5.3M | 1.3% |
| IDYA IDEAYA BIOSCIENCES INC | 138,708 | $5.2M | 1.3% |
| IQV IQVIA HLDGS INC | 26,708 | $5.2M | 1.3% |
| HTHT H WORLD GROUP LTD | 117,996 | $4.9M | 1.2% |
| VERA VERA THERAPEUTICS INC | 113,687 | $4.9M | 1.2% |
SEC FORM 13F · Q2 2026 · VALUES AS REPORTED, NOT PRICES
New positions this quarter
Held at 2026-06-30, not at 2026-03-31 · 10 in all · reported value as of 2026-06-30
| Holding | Shares | Reported value | % of portfolio |
|---|---|---|---|
| DDOG DATADOG INC | 12,000 | $3.1M | 0.8% |
| ADI ANALOG DEVICES INC | 5,485 | $2.2M | 0.5% |
| NOW SERVICENOW INC | 20,000 | $2.0M | 0.5% |
| DASH DOORDASH INC | 10,000 | $1.8M | 0.5% |
| PANW PALO ALTO NETWORKS INC | 4,766 | $1.6M | 0.4% |
| M-TRON INDS INC | 12,839 | $1.3M | 0.3% |
| ATEN A10 NETWORKS INC | 28,630 | $1.1M | 0.3% |
| XYZ BLOCK INC | 12,500 | $950.0K | 0.2% |
| SPGI S&P GLOBAL INC | 1,685 | $686.2K | 0.2% |
| INBX INHIBRX BIOSCIENCES INC | 6,146 | $582.3K | 0.1% |
Sold out
Held at 2026-03-31, gone by 2026-06-30 · 13 in all · reported value as of 2026-03-31
| Holding | Shares 2026-03-31 | Reported value | % of portfolio then |
|---|---|---|---|
| TERNS PHARMACEUTICALS INC | 110,734 | $5.8M | 1.5% |
| CENTESSA PHARMACEUTICALS PLC | 137,741 | $5.5M | 1.4% |
| MA MASTERCARD INCORPORATED | 5,689 | $2.8M | 0.7% |
| ISRG INTUITIVE SURGICAL INC | 4,846 | $2.2M | 0.6% |
| VEEV VEEVA SYS INC | 11,110 | $2.0M | 0.5% |
| MSFT MICROSOFT CORP | 4,134 | $1.5M | 0.4% |
| APH AMPHENOL CORP | 9,440 | $1.2M | 0.3% |
| BSX BOSTON SCIENTIFIC CORP | 17,827 | $1.1M | 0.3% |
| GSAT GLOBALSTAR INC | 14,168 | $941.0K | 0.2% |
| BCYC BICYCLE THERAPEUTICS PLC | 184,603 | $856.6K | 0.2% |
| MGTX MEIRAGTX HLDGS PLC | 93,922 | $813.4K | 0.2% |
| MODINE MFG CO | 3,633 | $787.3K | 0.2% |
| ARVN ARVINAS INC | 72,527 | $768.8K | 0.2% |
Biggest increases and decreases
Positions held at both quarter ends, by change in shares · reported value as of 2026-06-30
Increases
| Holding | Shares 2026-03-31 | Shares 2026-06-30 | Change | Reported value |
|---|---|---|---|---|
| KLAC KLA CORP | 1,458 | 14,580 | +900.0% | $4.4M |
| BKNG BOOKING HOLDINGS INC | 500 | 12,500 | +2,400.0% | $2.2M |
| IDYA IDEAYA BIOSCIENCES INC | 91,637 | 138,708 | +51.4% | $5.2M |
| COGT COGENT BIOSCIENCES INC | 112,066 | 154,220 | +37.6% | $6.0M |
| ECHO ECHOSTAR CORP | 12,509 | 27,509 | +119.9% | $2.8M |
| GPCR STRUCTURE THERAPEUTICS INC | 66,864 | 90,363 | +35.1% | $4.8M |
| KR KROGER CO | 60,743 | 81,305 | +33.9% | $4.5M |
| PALI PALISADE BIO INC | 1,231,414 | 1,730,866 | +40.6% | $3.6M |
| WING WINGSTOP INC | 12,000 | 17,000 | +41.7% | $2.9M |
| META META PLATFORMS INC | 5,000 | 6,500 | +30.0% | $3.7M |
Decreases
| Holding | Shares 2026-03-31 | Shares 2026-06-30 | Change | Reported value |
|---|---|---|---|---|
| MU MICRON TECHNOLOGY INC | 23,656 | 17,782 | -24.8% | $20.5M |
| CAT CATERPILLAR INC | 8,500 | 4,500 | -47.1% | $4.8M |
| GOOGL ALPHABET INC | 36,592 | 24,592 | -32.8% | $8.7M |
| BIRK BIRKENSTOCK HOLDING PLC | 275,000 | 210,000 | -23.6% | $9.0M |
| ZTS ZOETIS INC | 42,000 | 10,000 | -76.2% | $718.6K |
| ELF E L F BEAUTY INC | 72,500 | 45,000 | -37.9% | $3.3M |
| NFLX NETFLIX INC. | 50,023 | 30,000 | -40.0% | $2.1M |
| IMVT IMMUNOVANT INC | 181,774 | 144,671 | -20.4% | $5.6M |
| TCOM TRIP COM GROUP LTD | 379,718 | 351,921 | -7.3% | $14.0M |
| CSGP COSTAR GROUP INC | 77,500 | 40,000 | -48.4% | $1.1M |
| RVMD REVOLUTION MEDICINES INC | 20,813 | 16,994 | -18.3% | $3.2M |
| BBIO BRIDGEBIO PHARMA INC | 49,269 | 39,742 | -19.3% | $3.0M |
CIK 1256071 · 13F FILINGS ON EDGAR · INFORMATIONAL ONLY
