Mario Gabelli's MKSI Position Overview
Mario Gabelli (via Gamco Investors, Inc. Et Al) currently holds 7.9K shares of MKS Inc. (MKSI) worth $975,926, representing 0.01% of the portfolio. First purchased in 2013-Q2, this long-term strategic position has been held for 50 quarters.
Based on 13F filings since 2013, Mario Gabelli has maintained a long-term strategic position in MKSI, representing a significant commitment to this investment thesis. Largest addition occurred in Q1 2025, adding 4.5K shares. Largest reduction occurred in Q3 2024, reducing 5.0K 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
| Period | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q2 2013 | +8,001 | Add 0.00% | 8,000 | $26.50 |
| Q3 2013 | -8,000 | Sold Out | 8,000 | $0.00 |
| Q3 2024 | +2,960 | New Buy | 2,960 | $108.71 |
| Q4 2024 | +1,100 | Add 37.16% | 4,060 | $104.39 |
| Q1 2025 | +4,485 | Add 110.47% | 8,545 | $80.15 |
| Q2 2025 | -60 | Reduce 0.70% | 8,485 | $99.36 |
| Q3 2025 | -600 | Reduce 7.07% | 7,885 | $123.77 |
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 50 quarters since Q2 2013. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Mario Gabelli's largest addition to MKS Inc. (MKSI) was in Q2 2013, adding 8,000 shares worth $212,000. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
According to the latest 13F filing for Q3 2025, Mario Gabelli's firm, Gamco Investors, Inc. Et Al, owns 7,885 shares of MKS Inc. (MKSI), valued at approximately $975,926. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
As of the Q3 2025 filing, MKS Inc. (MKSI) represents approximately 0.01% of Mario Gabelli's publicly disclosed stock portfolio, making it one of their key holdings. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Mario Gabelli's peak holding in MKS Inc. (MKSI) was 8,545 shares, as reported at the end of Q1 2025. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.