Jim Simons’s iShares Biotechnology ETF IBB Stock Holding History
Bought
Maintained
Sold
Other funds holding IBB
CB
Jim Simons's IBB Position: Q1 2026 in Review
Jim Simons reduced its iShares Biotechnology ETF (IBB) stake by 77% in Q1 2026, selling an estimated $3.45M and leaving 6,200 shares worth $1.05M. The position accounts for ﹤0.01% of the portfolio, ranked #2255.
Jim Simons first reported a position in IBB in Q1 2019 and has held it in 12 quarters since. The position peaked at $4.46M in Q4 2025. 921 funds tracked by Wall St. Rank hold IBB as of Q1 2026.
- Jim Simons held 6,200 shares of iShares Biotechnology ETF worth $1.05M as of Q1 2026.
- Jim Simons sold 20,200 iShares Biotechnology ETF shares in Q1 2026, an estimated $3.45M.
- iShares Biotechnology ETF made up ﹤0.01% of Jim Simons's portfolio in Q1 2026, its #2255 holding.
- Jim Simons first reported a position in iShares Biotechnology ETF in Q1 2019 and has held it in 12 quarters since.
- Jim Simons's iShares Biotechnology ETF position peaked at $4.46M in Q4 2025.
- 921 funds tracked by Wall St. Rank held iShares Biotechnology ETF as of Q1 2026.
Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.