At the end of Q1 2026, 23 institutions reported holding Proshares Ultra Nasd Biotech (BIB) in their 13F filings, up 4 from Q4 2025. 5 opened new positions and 2 sold out. The largest holders were Susquehanna International Group, LLP ($1.1M), Citadel Advisors ($620K) and Capital Investment Advisors, LLC ($489K). One famous investor held it Ken Griffin (0.0% of Citadel Advisors's portfolio).
Company
Proshares Ultra Nasd Biotech
CUSIP
74347R214
Latest filing quarter
Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
Institutions
Total Value
New Positions
5
$910K
Exits
2
$80K
All 13F filers, Q4 2025 → Q1 2026: 18,279 shares bought and 1,068 shares sold, net +17,211 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.