XBI SPDR S&P Biotech ETF
Filed as SPDR S&P BIOTECH ETF (ETF), Equity As of 2026 Q2 among managers we track Quote on Google Finance, opens in a new tab
Bought by 1 manager in 2026 Q2, sold by 1
In 2026 Q2 Cathie Wood opened a position in SPDR S&P Biotech ETF, while Nathan Fischel trimmed.
Who owns this now
Largest portfolio weights among holders, up to 5.9% (Nathan Fischel, Dafna Capital Management). Not free-float ownership.
Who owns XBI
Sorted by value, long equity only, as of 2026 Q2.
| History | |||||
|---|---|---|---|---|---|
| Nathan Fischel, Dafna Capital Management | Reduce −38.3% | 196,505 | $31M | History | |
| Cathie Wood, Ark Investment Management | New <0.01% | 94 | $15K | History |
Congress
1 member of Congress traded XBI in the last three years: 2 buys and 0 sales. 2 members listed it in 2025 annual reports.
-
Tommy Tuberville
BuyOption
$1K–$15K
May 8, 2024
filed Jun 14, 2024
-
Tommy Tuberville
BuyOption
$1K–$15K
May 8, 2024
filed Jun 14, 2024
Ownership over time
13Fs that reported it each quarter. Click a bar for that quarter’s holders.