Keystone Investors PTE portfolio
Concentrated managerInvestment firmPortfolio as of Jun 30, 2026 (Q2 2026) · filed with the SEC on Aug 14, 2026 · data updated on Nov 5, 2026 · Q2 2026 13F (filing) ↗ · all its 13F filings ↗
A 13F shows the portfolio at quarter-end and is filed up to 45 days later: these are not real-time positions and they may have changed.
Keystone Investors PTE reported a $1.9 bn portfolio of 84 positions to the SEC as of the end of Q2 2026. Its largest positions are WDC, STX, AMZN.
Sections with a free account
What changed this quarter
No prior 13F to compare: this quarter's changes cannot be calculated.
The figure on the right: for positions added to or trimmed, the change in the number of shares (%); for new and sold ones, the points of the portfolio moved (pp). Below, the portfolio weight before → after. Traded weight: what it bought or sold, excluding price effects.
Top holdings
- Western DigitalWDC10.1%
- Seagate Technology HoldingsSTX9.7%
- Amazon.comAMZN7.5%
- AlphabetGOOG7.3%
- CoherentCOHR4.5%
- Lumentum HoldingsLITE4.1%
- Circle Internet GroupCRCL4.0%
- FrontlineFRO3.5%
- Marvell TechnologyMRVL3.4%
- STMicroelectronicsSTM2.9%
- Vishay IntertechnologyVSH2.7%
- MicrosoftMSFT2.6%
- MoogMOG/A2.2%
- Ross StoresROST1.8%
- Advanced Micro DevicesAMD1.7%
“Since”: first quarter of the current run, unbroken until today. In the details, prices are the quarter-end prices of the quarters in which it added shares, per the 13F. The manager may have bought at any price within each quarter; the SEC only publishes the value at quarter end.
Portfolio by sector
- ● Information Technology 49%
- ● Consumer Discretionary 17%
- ● Industrials 12%
- ● Communication Services 10%
- ● Financials 6%
- ● Health Care 3%
- ● Materials 2%
- ● Consumer Staples 1%
How its portfolio changed (8 quarters)
Q2 2026: 84
Q2 2026: 57%
Q2 2026: no data (no comparable quarter)
Traded turnover: the weight it bought plus the weight it sold in the quarter, divided by two, excluding price moves. The plain “turnover” in the header does include that effect. With a free account: the full history and sectors over time.
Stakes above 5% (13D/13G)
Companies where this filer reported holding 5% or more of the shares. It is the figure from its latest filing on each one; history since December 2024.
How we classify it
Investment firm, per its Form ADV of Apr 27, 2026 (medium confidence).
The data, as reported: KEYSTONE INVESTORS PTE. LTD. (CRD 318768): Exempt reporting adviser to private funds, based in Singapore; 7.B private funds: 2 hedge (gross assets $3.9 bn)
The type comes from a rule applied to that data. If it looks wrong, tell us.
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