PLATINUM INVESTMENT MANAGEMENT LTD

CIK 1256071 · View on SEC EDGAR ↗

Portfolio value
$406.7M
#4,319 of 9,443 by 13F value · top 45.7%
Positions
85
As of
June 30, 2026

Portfolio value QoQ: +2.5% 13F does not disclose cash

Top 10 holdings weight
38.93%
Top 25 holdings weight
61.38%
Positions above 1%
35
Effective number of positions
35.2

Based on 13F long-equity holdings only (cash, bonds, shorts not disclosed)

Turnover Q2 2026: 7.84% Est. buys $31,485,123 · sells $58,069,904

Median holding: 4.0 quarters Tracked Q4 2024–Q2 2026 · 44.0% still held

New positions
10
Increased
10
Decreased
22
Closed
14
On this page

Performance vs S&P 500

Tracked Q4 2024–Q2 2026
+48.1%
S&P 500 total return (same window)
+28.1%
Excess return
+20.0%

Annualized: +30.0% · S&P 500: +18.0%

Approximates a buy-and-hold portfolio built from quarterly SEC 13F snapshots. Excludes cash, short positions, options/derivatives, and non-13(f) securities — reflects the disclosed long-equity book only, not total fund AUM. SEC filing lag is up to 45 days; this is not a real-time-copyable timing.

Priceable coverage: 99.8% · Options excluded: 0.0%

Sector breakdown

Healthcare
28.2%
Technology
20.2%
Consumer Discretionary
13.0%
Logistics & Transportation
11.0%
Retail
7.7%
Financial Services
6.2%
Communication Services
4.2%
Industrials
3.5%
Energy
1.9%
Telecommunication
1.2%
Consumer products
0.8%
Communications
0.6%
Real Estate
0.3%
Other/Unmapped
1.1%

Full portfolio 85 positions

Type Streak 8Q trend
ZTO ZTO Express (Cayman) Inc. American Depositary Shares, each representing one Class A ordinary share. $44,628,562 10.97% 1,994,127 $-5,563,615
MU Micron Technology, Inc. - Common Stock $20,525,585 5.05% 17,782 $12,533,642 Down ×5
LRCX Lam Research Corporation - Common Stock $20,123,412 4.95% 46,439 $10,201,255
TCOM Trip.com Group Limited - American Depositary Shares $14,020,533 3.45% 351,921 $-4,885,626 Down ×5
DDL Dingdong (Cayman) Limited American Depositary Shares (each two representing three Ordinary Shares) $12,518,959 3.08% 6,486,507 $-4,151,364
NOAH Noah Holdings Limited American Depositary Shares $9,926,184 2.44% 993,612 $89,425
AVGO Broadcom Inc. - Common Stock $9,891,762 2.43% 26,186 $1,786,933
BIRK Birkenstock Holding plc Ordinary Shares $9,036,300 2.22% 210,000 $-816,950 Down ×1
AZN AstraZeneca PLC - American Depositary Shares $8,997,357 2.21% 48,088 $-322,072
GOOG Alphabet Inc. - Class C Capital Stock $8,689,091 2.14% 24,592 $1,634,630
MRK Merck & Company, Inc. Common Stock (new) $8,136,106 2.00% 63,316 $519,824
APGE Apogee Therapeutics, Inc. - Common Stock $7,740,017 1.90% 58,314 $2,831,728
ABBV AbbVie Inc. Common Stock $7,574,867 1.86% 30,102 $1,027,983
JNJ Johnson & Johnson Common Stock $7,067,985 1.74% 27,830 $265,220
YUM Yum! Brands, Inc. $6,369,941 1.57% 39,847 $174,529
PDD PDD Holdings Inc. - American Depositary Shares $5,983,785 1.47% 78,445 $-2,031,725
COGT Cogent Biosciences, Inc. - Common Stock $5,968,314 1.47% 154,220 $1,654,894 Up ×1
UBS UBS Group AG Registered Ordinary Shares $5,834,569 1.43% 117,507 $1,337,135
NVDA NVIDIA Corporation - Common Stock $5,640,737 1.39% 28,191 $724,227
IMVT Immunovant, Inc. - Common Stock $5,574,174 1.37% 144,671 $1,058,908 Down ×1
ARWR Arrowhead Pharmaceuticals, Inc. - Common Stock $5,277,936 1.30% 64,752 $1,217,986
IDYA IDEAYA Biosciences, Inc. - Common Stock $5,169,647 1.27% 138,708 $2,116,302 Up ×1
IQV IQVIA Holdings, Inc. Common Stock $5,160,520 1.27% 26,708 $605,738
HTHT H World Group Limited - American Depositary Shares $4,922,793 1.21% 117,996 $-1,011,226
VERA Vera Therapeutics, Inc. - Class A Common Stock $4,878,309 1.20% 113,687 $304,681
GPCR Structure Therapeutics Inc. - American Depositary Shares $4,849,782 1.19% 90,363 $1,626,937 Up ×1
V Visa Inc. $4,803,260 1.18% 14,000 $269,660 Down ×1
CAT Caterpillar, Inc. Common Stock $4,792,050 1.18% 4,500 $-1,229,860 Down ×1
RCI Rogers Communication, Inc. Common Stock $4,785,708 1.18% 147,160 $-854,424
AS Amer Sports, Inc. Ordinary Shares $4,737,600 1.16% 140,000 $-200,400 Down ×6
KR Kroger Company (The) Common Stock $4,514,867 1.11% 81,305 $119,504 Up ×1
KLAC KLA Corporation - Common Stock $4,398,932 1.08% 14,580 $2,252,158 Up ×1
CCJ Cameco Corporation Common Stock $4,314,382 1.06% 42,356 $-285,903
AMD Advanced Micro Devices, Inc. - Common Stock $4,188,361 1.03% 7,210 $2,721,631
RCUS Arcus Biosciences, Inc. Common Stock $4,137,910 1.02% 134,217 $1,238,823
ADBE Adobe Inc. - Common Stock $3,807,426 0.94% 18,571 $-706,813
FND Floor & Decor Holdings, Inc. Common Stock $3,710,000 0.91% 62,500 $281,000 Down ×2
META Meta Platforms, Inc. - Class A Common Stock $3,661,385 0.90% 6,500 $800,735 Up ×1
PALI Palisade Bio, Inc. - Common Stock $3,617,510 0.89% 1,730,866 $1,462,535 Up ×2
BROS Dutch Bros Inc. Class A Common Stock $3,590,500 0.88% 50,000 $930,850 Down ×1
FICO Fair Isaac Corporation Common Stock $3,584,340 0.88% 3,000 $-45,296 Down ×3
GEV GE Vernova Inc. Common Stock $3,579,798 0.88% 3,047 $920,072
HD Home Depot, Inc. (The) Common Stock $3,526,800 0.87% 10,000 $-255,435 Down ×3
VAL Valaris Limited Common Shares $3,336,406 0.82% 45,956 $-1,169,120
ELF e.l.f. Beauty, Inc. Common Stock $3,330,000 0.82% 45,000 $-1,064,225 Down ×1
CAVA CAVA Group, Inc. Common Stock $3,296,160 0.81% 42,000 $-344,340 Down ×1
DFTX Definium Therapeutics, Inc. - Common Shares $3,292,800 0.81% 70,000 $1,969,800
ROIV Roivant Sciences Ltd. - Common Shares $3,269,930 0.80% 92,397 $710,533
TRU TransUnion Common Stock $3,217,083 0.79% 44,595 $131,555
RVMD Revolution Medicines, Inc. - Common Stock $3,182,636 0.78% 16,994 $1,158,572 Down ×1
DDOG Datadog, Inc. - Class A Common Stock $3,124,320 0.77% 12,000 Up ×1
BBIO BridgeBio Pharma, Inc. - Common Stock $2,959,984 0.73% 39,742 $-698,732 Down ×1
WING Wingstop Inc. - Common Stock $2,947,970 0.72% 17,000 $1,088,330 Up ×3
ICE Intercontinental Exchange Inc. Common Stock $2,943,929 0.72% 23,913 $-817,108
SATS EchoStar Corporation - Common stock $2,792,164 0.69% 27,509 $1,327,735 Up ×1
VRT Vertiv Holdings, LLC Class A Common Stock $2,774,319 0.68% 8,286 $236,695 Down ×3
ABSI Absci Corporation - Common Stock $2,755,685 0.68% 237,764 $2,042,393
ZYME Zymeworks Inc. - Common Stock $2,749,510 0.68% 105,184 $115,703
MSI Motorola Solutions, Inc. Common Stock $2,617,158 0.64% 6,302 $-117,721
MBX MBX Biosciences, Inc. - Common Stock $2,406,554 0.59% 43,597 $1,105,184
BKNG Booking Holdings Inc. - Common Stock $2,228,000 0.55% 12,500 $122,840 Up ×2
ADI Analog Devices, Inc. - Common Stock $2,178,477 0.54% 5,485
PRQR ProQR Therapeutics N.V. - Ordinary Shares $2,156,536 0.53% 1,159,428 $155,003 Down ×1
NFLX Netflix, Inc. - Common Stock $2,142,000 0.53% 30,000 $-2,667,711 Down ×1
NOW ServiceNow, Inc. Common Stock $1,985,600 0.49% 20,000
DASH DoorDash, Inc. - Common Stock $1,845,300 0.45% 10,000 Up ×1
CCCC C4 Therapeutics, Inc. - Common Stock $1,796,857 0.44% 384,766 $784,922
PANW Palo Alto Networks, Inc. - Common Stock $1,625,301 0.40% 4,766 Up ×1
WVE Wave Life Sciences Ltd. - Ordinary Shares $1,599,313 0.39% 275,269 $-396,387
IDXX IDEXX Laboratories, Inc. - Common Stock $1,526,676 0.38% 2,900 $-158,994 Down ×1
DRUG Bright Minds Biosciences Inc. - common stock $1,342,715 0.33% 19,127 $-52,982
STOK Stoke Therapeutics, Inc. - Common Stock $1,335,467 0.33% 40,815 $6,531
MPTI $1,272,987 0.31% 12,839 Up ×1
CSGP CoStar Group, Inc. - Common Stock $1,132,800 0.28% 40,000 $-1,993,550 Down ×1
ATEN A10 Networks, Inc. Common Stock $1,069,617 0.26% 28,630 Up ×1
XYZ Block, Inc. Class A Common Stock, $950,000 0.23% 12,500
AURA Aura Biosciences, Inc. - Common Stock $794,242 0.20% 111,865 $45,865
JD JD.com, Inc. - American Depositary Shares $730,002 0.18% 28,650 $-117,179
ZTS Zoetis Inc. Class A Common Stock $718,600 0.18% 10,000 $-4,246,220 Down ×1
SPGI S&P Global Inc. Common Stock $686,233 0.17% 1,685 Up ×1
ADCT ADC Therapeutics SA Common Shares $622,322 0.15% 581,609 $-3,093,096 Down ×1
CDXS Codexis, Inc. - Common Stock $597,689 0.15% 264,464 $166,613
INBX Inhibrx Biosciences, Inc. - Common Stock $582,334 0.14% 6,146 Up ×1
BABA Alibaba Group Holding Limited American Depositary Shares each representing eight Ordinary share $411,082 0.10% 4,283 $-126,263
SKYE Skye Bioscience, Inc. - Common Stock $161,605 0.04% 233,095 $18,345

Conviction holdings

Positions increased for 3+ consecutive quarters.

Share counts are as reported in 13F filings (not split-adjusted)

Security Value % of portfolio Streak
WING $2,947,970 0.72% up ×3

Biggest new bets

New positions opened this quarter, largest first.

Security Value Shares % of portfolio
DDOG $3,124,320 12,000 0.77%
ADI $2,178,477 5,485 0.54%
NOW $1,985,600 20,000 0.49%
DASH $1,845,300 10,000 0.45%
PANW $1,625,301 4,766 0.40%
MPTI $1,272,987 12,839 0.31%
ATEN $1,069,617 28,630 0.26%
XYZ $950,000 12,500 0.23%
SPGI $686,233 1,685 0.17%
INBX $582,334 6,146 0.14%

Top movers (QoQ)

Security Action Shares Δ Value Δ
MU Trimmed -6K +$12.5M
LRCX Price move only +0 +$10.2M
ZTO Price move only +0 -$5.6M
TCOM Trimmed -28K -$4.9M
DDL Price move only +0 -$4.2M
APGE Price move only +0 +$2.8M
AMD Price move only +0 +$2.7M
NFLX Trimmed -20K -$2.7M
KLAC Bought more +13K +$2.3M
IDYA Bought more +47K +$2.1M

2 positions hidden (data completeness check)

Exited positions

Includes corporate events (mergers, delistings) — not all exits are sells

Closed positions reflect 13F reporting changes; for index managers these are often mechanical (delisting, M&A, index rebalancing), not active decisions.

SecurityQuarter Shares before Value before Price since exit
SLB June 30, 2025 2,105,343 $88,003,337 59.2%
NICE March 31, 2025 405,309 $68,837,681 -35.4%
LW March 31, 2025 1,002,213 $66,977,895 0.1%
BAX March 31, 2025 1,508,749 $43,995,121 -23.5%
PBR March 31, 2025 2,175,491 $27,976,814 33.7%
SWKS March 31, 2025 259,769 $23,036,315 5.1%
STNG March 31, 2025 402,043 $19,977,517 111.0%
AMZN March 31, 2026 31,080 $7,173,886 23.8%
FLUT Dec. 31, 2025 23,000 $5,924,760 -53.6%
TERN June 30, 2026 110,734 $5,837,896 No longer tracked
CNTA June 30, 2026 137,741 $5,471,073 No longer tracked
XYZ Sept. 30, 2025 80,000 $5,434,400 10.8%
UBER March 31, 2026 63,217 $5,165,461 8.7%
PYPL March 31, 2025 60,000 $5,121,000 -4.7%
AAPL March 31, 2025 17,500 $4,382,350 38.7%
WWW March 31, 2026 200,000 $3,630,000 26.0%
GOOGL June 30, 2026 12,000 $3,450,720 -4.3%
NFLX Dec. 31, 2025 2,552 $3,059,644 -15.1%
MA June 30, 2026 5,689 $2,842,566 12.0%
QTRX March 31, 2025 260,181 $2,765,724 -53.1%
MRUS Dec. 31, 2025 29,018 $2,732,045 No longer tracked
APH Dec. 31, 2025 20,171 $2,496,161 15.3%
ISRG June 30, 2026 4,846 $2,233,958 -6.1%
TEL Dec. 31, 2025 9,783 $2,147,662 -10.9%
RXRX June 30, 2025 395,954 $2,094,597 -32.9%
SWTX June 30, 2025 46,671 $2,059,591 No longer tracked
VEEV June 30, 2026 11,110 $1,951,583 39.6%
ESPR March 31, 2025 840,052 $1,848,114 No longer tracked
GOSS March 31, 2026 561,951 $1,742,048 -53.3%
SNPS Sept. 30, 2025 3,366 $1,725,681 -19.3%
BNTX Dec. 31, 2025 16,902 $1,666,875 20.4%
ANET March 31, 2026 12,456 $1,632,110 53.4%
CDNS Dec. 31, 2025 4,535 $1,592,964 0.4%
NOW Dec. 31, 2025 1,677 $1,543,310 -15.4%
MSFT June 30, 2026 4,134 $1,530,283 29.2%
PTC June 30, 2025 9,808 $1,519,750 -11.4%
ABSI March 31, 2025 551,188 $1,444,113 281.1%
VRNA Sept. 30, 2025 15,146 $1,432,509 No longer tracked
IMTX June 30, 2025 311,722 $1,405,866 63.8%
ACIU June 30, 2025 739,342 $1,382,570 37.4%
SHOP March 31, 2026 8,161 $1,313,676 22.9%
TRMD June 30, 2025 80,000 $1,306,283 94.0%
TXN Sept. 30, 2025 6,289 $1,305,722 44.3%
AMAT June 30, 2025 8,620 $1,250,934 169.9%
APH June 30, 2026 9,440 $1,192,744 -11.6%
PSIX March 31, 2026 20,000 $1,142,800 -38.8%
ADSK June 30, 2025 4,336 $1,135,165 -20.2%
GRAB Dec. 31, 2025 188,091 $1,132,308 -28.8%
CPNG March 31, 2026 47,735 $1,126,069 -14.7%
BSX June 30, 2026 17,827 $1,118,644 15.8%
ALLK March 31, 2025 815,956 $987,307 No longer tracked
GSAT June 30, 2026 14,168 $941,039 0.9%
MNMD March 31, 2026 70,000 $937,300 No longer tracked
ADI Sept. 30, 2025 3,600 $856,872 53.2%
BCYC June 30, 2026 184,603 $856,558 2.8%
PLTR Dec. 31, 2025 4,694 $856,279 -2.7%
DRS Dec. 31, 2025 18,462 $838,175 20.8%
MGTX June 30, 2026 93,922 $813,365 8.1%
MOD June 30, 2026 3,633 $787,307 -23.9%
ARVN June 30, 2026 72,527 $768,786 9.9%
ISRG March 31, 2025 1,455 $759,452 -24.6%
MCHP Sept. 30, 2025 9,296 $654,160 18.9%
KURA June 30, 2025 76,533 $505,118 104.3%
TTD March 31, 2025 3,745 $440,150 -75.8%
ANSS Sept. 30, 2025 1,182 $415,142 No longer tracked
RDDT Sept. 30, 2025 2,322 $349,624 -33.3%
MICC March 31, 2026 21,682 $346,668 32.4%
DUOL June 30, 2025 1,007 $312,714 -64.6%
DG June 30, 2025 3,476 $305,645 6.5%
FLG June 30, 2025 26,302 $305,629 27.8%
SRE Dec. 31, 2025 3,388 $304,852 -2.2%
HCA June 30, 2025 846 $292,335 8.5%
RH Sept. 30, 2025 1,481 $279,924 -23.2%
TSN Dec. 31, 2025 5,138 $278,993 -1.5%
TKR Dec. 31, 2025 3,617 $271,926 49.8%
BWA June 30, 2025 9,092 $260,486 103.0%
KSS Dec. 31, 2025 16,332 $251,023 -13.6%
PONY March 31, 2026 16,552 $240,004 -15.5%
INTC March 31, 2026 5,453 $201,216 108.3%
PBRA March 31, 2026 16,148 $181,988 No longer tracked
WBD Dec. 31, 2025 7,793 $152,197 -1.4%
CORT Dec. 31, 2025 1,750 $145,443 252.4%
LU June 30, 2025 45,211 $134,277 -48.9%
BCC March 31, 2026 1,403 $103,261 8.3%
LBRDK March 31, 2026 2,060 $100,116 -28.4%
JAZZ March 31, 2026 452 $76,840 32.4%
OMF March 31, 2026 1,091 $73,697 17.9%
GT March 31, 2026 8,244 $72,217 -9.7%
HUN March 31, 2026 6,761 $67,610 -23.4%
CLB March 31, 2026 4,196 $67,262 -25.3%
MTDR March 31, 2026 1,573 $66,758 -7.4%
VIST March 31, 2026 1,370 $66,664 -6.2%
UNH March 31, 2026 201 $66,352 43.1%
WHR March 31, 2026 919 $66,297 -23.3%
CVS March 31, 2026 830 $65,869 30.3%
TGT March 31, 2026 673 $65,786 34.0%
DOW March 31, 2026 2,798 $65,417 -21.1%
CPB March 31, 2026 2,301 $64,129 6.4%
FUTU March 31, 2026 390 $64,042 -14.5%
CI March 31, 2026 228 $62,752 3.8%
UHS March 31, 2026 285 $62,136 -2.5%
ALSN March 31, 2026 632 $61,873 11.4%
GIS March 31, 2026 1,302 $60,543 5.7%
LYB March 31, 2026 1,378 $59,667 -15.1%
HPQ March 31, 2026 2,669 $59,465 54.3%
BBY March 31, 2026 853 $57,091 36.1%
NE March 31, 2026 1,965 $55,492 -3.7%
HLF March 31, 2026 3,783 $48,763 -16.9%
SMCI March 31, 2025 1,418 $43,221 8.7%
JXN March 31, 2026 342 $36,474 24.5%
GL March 31, 2026 245 $34,266 23.7%
EC March 31, 2026 3,107 $31,132 16.9%
MOMO March 31, 2026 4,047 $26,508 -0.5%
SOLV Sept. 30, 2025 217 $16,457 21.2%
KD Dec. 31, 2025 205 $6,156 -53.3%