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William John Sempolinski
Momentum
Concentrated trader
CIK: 0002149024 | EASTON, MA
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Q2 2026 vs Q3 2026 Comparison
Profile
AI Overview
Filing History
Quarter
Form Type
Holdings
Value
Filed
SEC
Q3 2026
13F-HR
104
$258.9M
2026-10-20
SEC ↗
Q2 2026
13F-HR
106
$247.7M
2026-08-14
SEC ↗
Q1 2026
13F-HR
93
$199.2M
2026-08-26
SEC ↗
Q4 2025
13F-HR
89
$203.2M
2026-08-26
SEC ↗