Mario Gabelli's POST Position Overview
Mario Gabelli (via Gamco Investors, Inc. Et Al) currently holds 229,966 shares of Post Holdings, Inc. (POST) worth $22.73 M, representing 0.22% of the portfolio. First purchased in 2013-Q2, this long-term strategic position has been held for 52 quarters.
Based on 13F filings since 2013, Mario Gabelli has maintained a long-term strategic position in POST, representing a significant commitment to this investment thesis. Largest addition occurred in Q3 2014, adding 472,571 shares. Largest reduction occurred in Q3 2015, reducing 261,721 shares.
Analysis based on 13F filings available since 2013 Q2
Mario Gabelli's Post Holdings (POST) Holding Value Over Time
Track share changes against reported price movement
Quarterly Post Holdings (POST) Trades by Mario Gabelli
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q1 2026 | -2,716 | Reduce 1.17% | 229,966 | $98.86 |
| Q4 2025 | +3,266 | Add 1.42% | 232,682 | $99.05 |
| Q3 2025 | -9,675 | Reduce 4.05% | 229,416 | $107.48 |
| Q2 2025 | -8,495 | Reduce 3.43% | 239,091 | $109.03 |
| Q1 2025 | -12,490 | Reduce 4.80% | 247,586 | $116.36 |
| Q4 2024 | -3,538 | Reduce 1.34% | 260,076 | $114.46 |
| Q3 2024 | -5,997 | Reduce 2.22% | 263,614 | $115.75 |
| Q2 2024 | -9,542 | Reduce 3.42% | 269,611 | $104.16 |
| Q1 2024 | -7,220 | Reduce 2.52% | 279,153 | $106.28 |
| Q4 2023 | -6,804 | Reduce 2.32% | 286,373 | $88.06 |
| Q3 2023 | -52,655 | Reduce 15.23% | 293,177 | $85.74 |
| Q2 2023 | +44,228 | Add 14.66% | 345,832 | $86.65 |
| Q1 2023 | -43,066 | Reduce 12.49% | 301,604 | $89.87 |
| Q4 2022 | -91 | Reduce 0.03% | 344,670 | $90.26 |
| Q3 2022 | -6,379 | Reduce 1.82% | 344,761 | $81.91 |
| Q2 2022 | -1,115 | Reduce 0.32% | 351,140 | $82.35 |
| Q1 2022 | -193,296 | Reduce 35.43% | 352,255 | $69.26 |
| Q4 2021 | +11,501 | Add 2.15% | 545,551 | $73.78 |
| Q3 2021 | -18,985 | Reduce 3.43% | 534,050 | $72.09 |
| Q2 2021 | -4,670 | Reduce 0.84% | 553,035 | $70.99 |
| Q1 2021 | -11,753 | Reduce 2.06% | 557,705 | $69.19 |
| Q4 2020 | -11,294 | Reduce 1.94% | 569,458 | $66.11 |
| Q3 2020 | -21,086 | Reduce 3.50% | 580,752 | $56.28 |
| Q2 2020 | -83,245 | Reduce 12.15% | 601,838 | $57.34 |
| Q1 2020 | -88,898 | Reduce 11.49% | 685,083 | $54.30 |
| Q4 2019 | -41,982 | Reduce 5.15% | 773,981 | $71.40 |
| Q3 2019 | -103,751 | Reduce 11.28% | 815,963 | $69.27 |
| Q2 2019 | -56,800 | Reduce 5.82% | 919,714 | $68.04 |
| Q1 2019 | -98,351 | Reduce 9.15% | 976,514 | $71.60 |
| Q4 2018 | -69,931 | Reduce 6.11% | 1.07 M | $58.33 |
| Q3 2018 | -77,425 | Reduce 6.33% | 1.14 M | $64.16 |
| Q2 2018 | -62,891 | Reduce 4.89% | 1.22 M | $56.30 |
| Q1 2018 | -2,667 | Reduce 0.21% | 1.29 M | $49.58 |
| Q4 2017 | +192,014 | Add 17.52% | 1.29 M | $51.85 |
| Q3 2017 | +892 | Add 0.08% | 1.1 M | $57.77 |
| Q2 2017 | +10,629 | Add 0.98% | 1.09 M | $50.82 |
| Q1 2017 | -19,999 | Reduce 1.81% | 1.08 M | $57.28 |
| Q4 2016 | -47,045 | Reduce 4.09% | 1.1 M | $52.61 |
| Q3 2016 | -79,242 | Reduce 6.44% | 1.15 M | $50.50 |
| Q2 2016 | -140,859 | Reduce 10.27% | 1.23 M | $54.12 |
| Q1 2016 | -211,735 | Reduce 13.37% | 1.37 M | $45.01 |
| Q4 2015 | -104,503 | Reduce 6.19% | 1.58 M | $40.38 |
| Q3 2015 | -261,721 | Reduce 13.43% | 1.69 M | $38.68 |
| Q2 2015 | +83,498 | Add 4.48% | 1.95 M | $35.29 |
| Q1 2015 | -12,756 | Reduce 0.68% | 1.87 M | $30.65 |
| Q4 2014 | -175,223 | Reduce 8.53% | 1.88 M | $27.42 |
| Q3 2014 | +472,571 | Add 29.89% | 2.05 M | $21.71 |
| Q2 2014 | +142,846 | Add 9.93% | 1.58 M | $33.32 |
| Q1 2014 | -37,130 | Reduce 2.52% | 1.44 M | $36.07 |
| Q4 2013 | +95,729 | Add 6.94% | 1.48 M | $32.25 |
| Q3 2013 | +77,428 | Add 5.95% | 1.38 M | $26.42 |
| Q2 2013 | +1.3 M | Add 0.00% | 1.3 M | $28.57 |
Mario Gabelli's Post Holdings Investment FAQs
Mario Gabelli first purchased Post Holdings, Inc. (POST) in Q2 2013, acquiring 1,302,385 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 Post Holdings, Inc. (POST) for 52 quarters since Q2 2013.
Mario Gabelli's largest addition to Post Holdings, Inc. (POST) was in Q2 2013, adding 1,302,385 shares worth $37.21 M.
According to the latest 13F filing for Q1 2026, Mario Gabelli's firm, Gamco Investors, Inc. Et Al, owns 229,966 shares of Post Holdings, Inc. (POST), valued at approximately $22.73 M.
As of the Q1 2026 filing, Post Holdings, Inc. (POST) represents approximately 0.22% of Mario Gabelli's publicly disclosed stock portfolio, making it one of their key holdings.
Mario Gabelli's peak holding in Post Holdings, Inc. (POST) was 2,053,829 shares, as reported at the end of Q3 2014.