Who owns TWST? 13F holders and whale ownership
TWST is tracked across public portfolios in Whale Analyzer. This page answers who owns TWST, which top funds are buying TWST, aggregate disclosed value, and recent position changes based on public data. Cathie Wood is the largest reported holder at $301M; the top five funds control 100.0% of reported ownership; institutions were net buying last quarter (2 increased, 1 reduced); the stock trades above the aggregate whale cost basis of $11.93. Top tracked holders include Cathie Wood, Stanley Druckenmiller, and Joseph Edelman.
Continue to the live TWST dashboardTop holders
| Investor | Reported value | Shares | Change |
|---|---|---|---|
| Cathie Wood 13F portfolio ARK Investment Management holdings | $301.4M | 6.3M | Reduced |
| Stanley Druckenmiller 13F portfolio Duquesne Family Office holdings | $9.8M | 206.0K | New |
| Joseph Edelman 13F portfolio Perceptive Advisors holdings | $7.1M | 150.0K | New |
Ownership concentration
Reported ownership of TWST is highly concentrated across tracked institutions.
- Single largest holder: 94.7% of reported ownership
- Top 5 holders: 100.0%
- Top 10 holders: 100.0%
Whale activity this quarter
Across 3 tracked institutions, 2 increased, 1 reduced. Net positioning is net buying.
- Cathie Wood — ARK Investment Management ($301.4M) (▼ 16.1% qoq shares) · avg cost $11.17
- Stanley Druckenmiller — Duquesne Family Office ($9.8M) · avg cost $35.32
Whale cost basis vs current price
The aggregate tracked cost basis is $11.93 versus a current price of $99.84, so TWST trades above its cost basis (+737.1%). Average unrealized P&L across tracked holders: 210%.
Sector positioning — Other
TWST sits within the Other sector alongside 670 other tracked names. Compare whale ownership across peers:
How to use this page
Values are reported public positions from tracked 13F filers and disclosures — not real-time ownership totals. Open the live TWST dashboard for price charts and cross-investor scans, or read the SEC 13F guide.
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Learn more in Whale Analyzer Academy
Deepen your read on TWST with these Whale Analyzer Academy guides:
Frequently asked questions
Who owns TWST stock?
Whale Analyzer tracks 3 public institutional holders of TWST with a combined reported value of $318.3M. See the holder table above for the largest tracked positions.
Which top funds are buying TWST?
Tracked institutions were net buying last quarter — 2 increased, 1 reduced. Check the "Change" column: "New" = fresh position, "Increased" = added, "Reduced" = trimmed.
How concentrated is TWST ownership?
The top five tracked holders report 100.0% of aggregate ownership.
Is TWST above or below the whale cost basis?
The aggregate tracked cost basis is $11.93 versus a current price of $99.84 (+737.1%).
What does 13F ownership mean for TWST?
Use the interactive TWST dashboard on Whale Analyzer for real-time holder analysis, or read our 13F Alpha Signals Guide.