ACK Asset Management LLC ROG — ROGERS CORP COM

Ownership history in ACK Asset Management LLC  ·  43 quarters on record

AI Ownership Summary

ACK Asset Management LLC reported ROGERS CORP COM (ROG) in 43 quarterly 13F filings from 2023 Q4 through 2025 Q4. Peak portfolio weight reached 8.78% in 2024 Q2. The latest visible filing shows ROG at 5.02% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings. Older history is available after unlock; the visible window still shows the most recent pattern.

What this ROG ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was ACK Asset Management LLC's position in ROGERS CORP COM, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2025 Q4

ROG was reported at 5.02% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
8.78% in 2024 Q2

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2023 Q4 to 2025 Q4

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

ROG stock page ACK Asset Management LLC fund profile ACK Asset Management LLC full holdings
How ACK Asset Management LLC held ROG — position size vs. price
% of Fund (quarterly)    ROG price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 7 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 REDUCED 15.6% +17.2% ❌ 436,707 -80,793 -15.6% 5.02% $40.0M 2026-02-14 (Est.) $107.79
2025 Q1 REDUCED 10.8% +1.4% ❌ 517,500 -62,500 -10.8% 5.74% $34.9M 2025-05-13 $71.00
2024 Q4 REDUCED — — — 580,000 -10,000 -1.7% 7.90% $58.9M 2025-02-13 $89.16
2024 Q3 UNCHANGED — — — 590,000 — 0% 8.24% $66.7M 2024-11-13 $103.61
2024 Q2 ADDED — — — 590,000 +70,000 +13.5% 8.78% $71.2M 2024-08-13 $102.91
2024 Q1 ADDED — — — 520,000 +109,800 +26.8% 7.19% $61.7M 2024-05-14 $119.57
2023 Q4 ADDED — — — 410,200 +40,200 +10.9% 6.52% $54.2M 2024-02-13 $115.05
36 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding ROG

As of 2026 Q1 — sorted by position size

UG Investment Advisers Ltd. 3Y 7Y 3.88% Leeward Investments, LLC - MA 3Y 0.73% Marathon Asset Management Ltd 3Y 0.55% Linden Thomas Advisory Services, LLC 3Y 0.27% PINNACLE ASSOCIATES LTD 3Y 7Y 0.08% Summit Global Investments 3Y 7Y 0.07% Legacy Wealth Asset Management, LLC 3Y 0.05% AlphaQuest LLC 0.05% Inspire Investing, LLC 3Y 7Y 0.05% MOODY NATIONAL BANK TRUST DIVISION 3Y 7Y 0.04%

FAQ About ACK Asset Management LLC and ROG

These are the practical questions this page is built to answer before you even open the full history table.

How long has ACK Asset Management LLC reported owning ROG?

ACK Asset Management LLC reported ROG across 7 quarterly 13F filings, from 2023 Q4 through 2025 Q4.

What was the largest reported ROG position in ACK Asset Management LLC's portfolio?

The largest reported portfolio weight for ROG was 8.78% in 2024 Q2.

What is the latest reported ROG position on this page?

The most recent filing on this page is 2025 Q4, when ACK Asset Management LLC reported 436,707 shares, equal to 5.02% of portfolio, with an estimated market value of $40.0M.

What does the chart on this ROG ownership page compare?

The chart compares ACK Asset Management LLC's quarterly ROG portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

How well did ACK Asset Management LLC time their ROG position?

Based on 13F filing dates vs. subsequent ROG price moves, ACK Asset Management LLC correctly timed 23 out of 39 reported position changes (59%).

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