Forty of the 58 top-200 alpha holders in $LRCX as of 2026-03-31 were not there the prior quarter — a wave of initiations that dwarfs every other posture category combined. Coatue Management LLC led the conviction side, adding +3.19pp to reach 7.39% of portfolio; Winmill & Co. added +1.89pp to 6.87%.
Among the initiators, Platinum Investment Management Ltd. opened at 2.50% and Eventide Asset Management at 2.42% — both meaningful starting weights. Erste Asset Management GmbH came in at 1.67%. On the other side of the ledger, Citigroup Inc. cut sharply, shedding -3.98pp to land at just 0.38%; Stelac Advisory Services LLC effectively exited, falling from 1.04% to 0.03%.
With 40 initiations, 2 outright adds, 1 trim, 2 exits, and 13 held-flat, the cohort's net posture is unambiguously expansionary — though the average position weight across all 58 holders sits at just 0.7%, pulled down by a long tail of sub-0.1% initiations. The weight range runs from 0.00% to 7.39%, which says less about consensus conviction than about a wide dispersion of entry sizes.
Forty new cohort entrants in a single quarter is a structurally notable clustering; whether those positions are index-adjacent or discretionary is not resolvable from 13F data alone, but the sheer count warrants the observation.