TB Alternative Assets portfolio
Concentrated managerInvestment firmPortfolio as of Sep 30, 2026 (Q3 2026) · filed with the SEC on Oct 16, 2026 · data updated on Nov 5, 2026 · Q3 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.
TB Alternative Assets reported a $488M portfolio of 35 positions to the SEC as of the end of Q3 2026. Its largest positions are GOOG, META, INTC. During the quarter it opened Amazon.com and exited PDD Holdings and Seagate Technology Holdings.
Sections with a free account
What it reported after the quarter end (Q3 2026)
The 13F shows the portfolio as of Sep 30, 2026. Since then TB Alternative Assets has filed these own trades with the SEC (Form 4, when it owns more than 10% of a company or holds a role in it) and stakes above 5% (13D and 13G). It is not everything it did: only what it must report before the next 13F.
What changed this quarter
42 positions with a change (13 new, 7 added to, 10 trimmed, 12 sold). 12 are listed here: those of 0.5 points of the portfolio or more (up to 12).
- Marvell Technology−55%fewer sharesReduced12.3% → 6.3%
- Alphabet+63%more sharesIncreased9.0% → 18.1%
- Taiwan Semiconductor Manufacturing−47%fewer sharesReduced12.1% → 7.9%
- Sandisk−38%fewer sharesReduced10.4% → 6.3%
- Rocket Lab+509%more sharesIncreased0.9% → 4.6%
- PDD Holdings−2.8 ppof portfolioSold out2.8% → —
- Seagate Technology Holdings−2.3 ppof portfolioSold out2.3% → —
- Corning−1.9 ppof portfolioSold out1.9% → —
- Trip.com Group−1.8 ppof portfolioSold out1.8% → —
- Coherent−1.8 ppof portfolioSold out1.8% → —
- Amazon.com+1.8 ppof portfolioNew— → 2.3%
- Western Digital−38%fewer sharesReduced6.6% → 3.7%
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
- AlphabetGOOG18.1%
- Meta PlatformsMETA15.5%
- IntelINTC13.0%
- Taiwan Semiconductor ManufacturingTSM7.9%
- SandiskSNDK6.3%
- Marvell TechnologyMRVL6.3%
- Rocket LabRKLB4.6%
- ProShares Ultra Gold ETFUGL4.5%
- Western DigitalWDC3.7%
- Nu HoldingsNU3.0%
- Amazon.comAMZN2.3%
- Space Exploration TechnologiesSPCX2.1%
- Lumentum HoldingsLITE1.8%
- So-Young InternationalSY1.7%
- ProShares Ultra Silver ETFAGQ1.6%
“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 43%
- ● Communication Services 34%
- ● Industrials 8%
- ● No sector 6%
- ● Consumer Discretionary 4%
- ● Financials 3%
- ● Health Care 2%
How its portfolio changed (8 quarters)
Q3 2026: 35
Q3 2026: 83%
Q3 2026: 28.0%
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 Mar 26, 2026 (high confidence).
The data, as reported: TB ALTERNATIVE ASSETS LTD. (CRD 162014): 7.B private funds: 1 hedge (gross assets $203M); 5.D assets by client type: pooled vehicles 79%, governments 21% (of $708M)
The type comes from a rule applied to that data. If it looks wrong, tell us.
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