13F

Position

D. E. Shaw & Co., Inc. in Alkermes plc.

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Estimated mark uses implied 13F prices (value ÷ shares). Adds are treated as happening at this quarter’s mark; cuts at last quarter’s. Share jumps can be splits, not buys. This is not realized P&L.

Latest estimated mark $5.24M$27.98$35.36

QuarterSharesValueImplied pxEst. markFlowWeight
Q4 2025911.3K$25.5M0.0%
Q1 2026710.3K$25.1M$35.36$5.24M−$5.62M0.0%