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Portfolio (Quarterly) Guide ↗

ACK Asset Management LLC

· CIK 0001510940
13F Portfolio $801.1B AUM 20 positions Filed May 15, 2026 EDGAR ↗ ← All Funds
Q1 2026 Q4 2025 · All 3 New 6 Added 1 Reduced 6 Exited
# Ticker Company Sector Shares Value ↓ % Port Chg Shares Chg % Period Price ① Since Period ①
1 LFUS LFUS Technology 135,000.0 $45.8M 5.72% NEW $339.35 +35.6%
2 CTS CTS Technology 584,000.0 $27.9M 3.48% NEW $47.76 +28.3%
3 SWIM SWIM Industrials 5,160,000.0 $27.7M 3.46% NEW $5.37 -8.6%

Period Price is the implied market price on the last day of the reporting period, calculated as reported value ÷ shares held. It is not the fund's purchase price or cost basis — the fund may have initiated or added to the position at any point during the quarter at a different price. Since Period shows the price change from that quarter-end snapshot to today's last price — it reflects stock movement after the report date, not the fund's actual return.

Sector Allocation
Industrials 53.2%
Technology 27.6%
Basic Materials 14.6%
Consumer Cyclical 4.5%