AOSL — ALPHA & OMEGA SEMICONDUCTOR

Ownership history in Robeco Schweiz AG  ·  3 quarters on record

This page tracks every 13F SEC filing in which Robeco Schweiz AG reported a position in ALPHA & OMEGA SEMICONDUCTOR (AOSL). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
0.49% (2025 Q3)
Avg. % of fund
0.48%
First filed
2025 Q1
Last filed
2025 Q3
Quarters held
3
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q3 ADDED 785,264 +2,761 +0.4% 0.49% $22.0M $27.96
2025 Q2 ADDED 782,503 +751 +0.1% 0.46% $20.1M $25.66
2025 Q1 INITIATED 781,752 — — 0.48% $19.4M $24.86
% of Fund (quarterly)    AOSL price (monthly, adj. close)

Other funds also holding AOSL

As of 2025 Q4 — sorted by position size

Gagnon Advisors, LLC 3Y 7Y 1.51% GAGNON SECURITIES LLC 3Y 7Y 0.87% Uniplan Investment Counsel, Inc. 3Y 7Y 0.85% Mork Capital Management, LLC 3Y 7Y 0.54% Numerai GP LLC 3Y 0.29% Redwood Wealth Management Group, LLC 3Y 0.12% PEREGRINE CAPITAL MANAGEMENT LLC 3Y 7Y 0.11% ROYCE & ASSOCIATES LP 3Y 7Y 0.1% WINTON GROUP Ltd 3Y 7Y 0.09% AXQ CAPITAL, LP 3Y 0.09%
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