INTL BUSINESS MACHINES CORP (IBM) Stock Institutional Trading Activity
INTL BUSINESS MACHINES CORP (IBM) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Eagle Capital Management, Kahn Brothers Group, Cullen Value Fund, Mairs & Power Growth Fund, and Matrix Advisors Value Fund. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.
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- INTL BUSINESS MACHINES CORP (IBM) stock institutional ownership
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| Portfolio quarter | Name | Type | Quantity | Remaining | Reported stock balance |
|---|---|---|---|---|---|
| Q1 2018 | Eagle Capital Management | Buy | 13,451 | 13,451 | $2,064 |
| Q1 2018 | Matrix Advisors Value Fund | Buy | 219 | 21,851 | $3,353 |
| Q1 2018 | Olstein Capital Management | Buy | 2,000 | 59,000 | $9,052 |
| Q1 2018 | Renaissance Technologies LLC | Sell | -1,603,200 | 1,512,000 | $231,986 |
| Q1 2018 | Torray Fund | Buy | 1,264 | 103,417 | $15,867 |
| Q4 2017 | Gardner Russo & Quinn | Sell | -596 | 7,588 | $1,164 |
| Q4 2017 | Dodge & Cox Stock Fund | Sell | -3,573 | 86,484 | $13,268 |
| Q4 2017 | Mairs & Power Growth Fund | Sell | -43,224 | 127,868 | $19,618 |
| Q4 2017 | ARK Invest | Sell | -4,222 | 366 | $56 |
| Q4 2017 | Ariel Appreciation Fund | Sell | -18 | 46,946 | $7,202 |
| Q4 2017 | Parnassus Endeavor Fund | Buy | 50,000 | 1,687,500 | $258,896 |
| Q4 2017 | Sequoia Financial Advisors | Buy | 171 | 9,544 | $1,464 |
| Q4 2017 | Matrix Advisors Value Fund | Buy | 544 | 21,632 | $3,319 |
| Q4 2017 | Olstein Capital Management | Buy | 15,000 | 57,000 | $8,745 |
| Q4 2017 | Berkshire Hathaway | Sell | -34,978,653 | 2,048,045 | $314,211 |
| Q4 2017 | Renaissance Technologies LLC | Buy | 2,007,513 | 3,115,200 | $477,934 |
| Q4 2017 | Torray Fund | Sell | -1,716 | 102,153 | $15,672 |
| Q4 2017 | Fairfax Financial Holdings | Sell | -15,500 | 265,700 | $40,764 |
| Q3 2017 | Gardner Russo & Quinn | Sell | -750 | 8,184 | $1,187 |
| Q3 2017 | Kahn Brothers Group | Sell | -3,273 | 50 | $7,254 |
| Q3 2017 | Dodge & Cox Stock Fund | Sell | -3,880 | 90,057 | $13,065 |
| Q3 2017 | Mairs & Power Growth Fund | Sell | -6,537 | 171,092 | $24,822 |
| Q3 2017 | Matrix Advisors Value Fund | Buy | 3,053 | 21,088 | $3,059 |
| Q3 2017 | Ariel Appreciation Fund | Sell | -23 | 46,964 | $6,814 |
| Q3 2017 | Parnassus Endeavor Fund | Buy | 25,500 | 1,637,500 | $237,569 |
| Q3 2017 | Sequoia Financial Advisors | Buy | 176 | 9,373 | $1,360 |
| Q3 2017 | Olstein Capital Management | Buy | 14,000 | 42,000 | $6,093 |
| Q3 2017 | Renaissance Technologies LLC | Sell | -1,612,613 | 1,107,687 | $160,703 |
| Q3 2017 | Berkshire Hathaway | Sell | -17,057,975 | 37,026,698 | $5,371,833 |
| Q3 2017 | Torray Fund | Buy | 12,189 | 103,869 | $15,069 |
Frequently asked questions about IBM activity
Which institutional owners are buying IBM?
Institutional owners buying IBM include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in IBM activity?
"Buy" means an investor increased their reported position in IBM compared to the prior reporting period. This reflects growing exposure to INTL BUSINESS MACHINES CORP (IBM) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in IBM increasing?
Institutional interest in IBM can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.