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SPDR S&P BIOTECH ETF
SPDR S&P BIOTECH ETF. Institutional holdings reported to the SEC.

Institutional Holders (2015Q2)
Portfolio Summary: 8 Institutional holders with a total value of $249,373,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 1,059,300 97,450,000 39.08% Put
2 Hudson Bay Capital Management LP 1,150,000 53,659,000 21.52% Put
3 SPHERA FUNDS MANAGEMENT LTD. 2,000 50,448,000 20.23% Put
4 Timber Hill LLC 612,000 28,556,000 11.45% Put
5 SABBY MANAGEMENT, LLC 664 16,749,000 6.72% Put
6 Marathon Trading Investment Management LLC 31,200 1,456,000 0.58% Put
7 Avoro Capital Advisors LLC 350,000 770,000 0.31% Put
8 Virtu KCG Holdings LLC 6,100 285,000 0.11% Put

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.