Mario Gabelli's MKSI Position Overview
Mario Gabelli (via Gamco Investors, Inc. Et Al) currently holds 3,885 shares of MKS Inc. (MKSI) worth $620,823, representing 0.01% of the portfolio. First purchased in 2013-Q2, this short-term holding has been held for 8 quarters.
Based on 13F filings, Mario Gabelli has maintained this position in MKSI for several quarters, showing initial confidence in the investment. Largest addition occurred in Q1 2025, adding 4,485 shares. Largest reduction occurred in Q3 2013, reducing 8,000 shares.
Analysis based on 13F filings available since 2013 Q2
Mario Gabelli's MKS (MKSI) Holding Value Over Time
Track share changes against reported price movement
Quarterly MKS (MKSI) Trades by Mario Gabelli
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | -4,000 | Reduce 50.73% | 3,885 | $159.80 |
| Q3 2025 | -600 | Reduce 7.07% | 7,885 | $123.77 |
| Q2 2025 | -60 | Reduce 0.70% | 8,485 | $99.36 |
| Q1 2025 | +4,485 | Add 110.47% | 8,545 | $80.15 |
| Q4 2024 | +1,100 | Add 37.16% | 4,060 | $104.39 |
| Q3 2024 | +2,960 | New Buy | 2,960 | $108.71 |
| Q3 2013 | -8,000 | Sold Out | 0 | $0.00 |
| Q2 2013 | +8,000 | Add 0.00% | 8,000 | $26.50 |
Mario Gabelli's MKS Investment FAQs
Mario Gabelli first purchased MKS Inc. (MKSI) in Q2 2013, acquiring 8,000 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Mario Gabelli has held MKS Inc. (MKSI) for 8 quarters since Q2 2013.
Mario Gabelli's largest addition to MKS Inc. (MKSI) was in Q2 2013, adding 8,000 shares worth $212,000.
According to the latest 13F filing for Q4 2025, Mario Gabelli's firm, Gamco Investors, Inc. Et Al, owns 3,885 shares of MKS Inc. (MKSI), valued at approximately $620,823.
As of the Q4 2025 filing, MKS Inc. (MKSI) represents approximately 0.01% of Mario Gabelli's publicly disclosed stock portfolio, making it one of their key holdings.
Mario Gabelli's peak holding in MKS Inc. (MKSI) was 8,545 shares, as reported at the end of Q1 2025.