International Business Machines (IBM)

Sector:Information Technology
Super Investor Stats:
Ownership count:3
Ownership rank:299
% of all portfolios:0.001%
Hold Price * :$242.59
History Portfolio Manager Activity ▲ Share change % change to portfolio
Q1  2026
≡ Mairs & Power Funds Add 0.55% 20 0.00
≡ Dodge & Cox Funds Reduce 0.25% 115 0.00
≡ Thomas Russo - Gardner Russo & Quinn Sell 100.00% 750 0.00
≡ David Katz - Matrix Asset Advisors Sell 100.00% 819 0.02
Q4  2025
≡ Thomas Russo - Gardner Russo & Quinn Buy 750 0.00
≡ Kahn Brothers Group Reduce 18.57% 280 0.01
≡ David Katz - Matrix Asset Advisors Reduce 3.08% 26 0.00
≡ Mairs & Power Funds Reduce 2.05% 76 0.00
≡ Dodge & Cox Funds Reduce 1.03% 486 0.00
Q3  2025
≡ David Katz - Matrix Asset Advisors Add 0.60% 5 0.00
≡ Mairs & Power Funds Reduce 1.88% 71 0.00
≡ Dodge & Cox Funds Reduce 1.84% 883 0.00
Q2  2025
≡ Dodge & Cox Funds Add 41.81% 14,172 0.00
≡ Mairs & Power Funds Add 173.68% 2,395 0.01
≡ David Katz - Matrix Asset Advisors Reduce 25.60% 289 0.01
Q1  2025
≡ David Katz - Matrix Asset Advisors Add 0.36% 4 0.00
≡ Mairs & Power Funds Add 23.46% 262 0.00
≡ Dodge & Cox Funds Reduce 0.65% 221 0.00
Q4  2024
≡ David Katz - Matrix Asset Advisors Add 0.18% 2 0.00
≡ Mairs & Power Funds Add 9.83% 100 0.00
≡ Dodge & Cox Funds Reduce 0.44% 150 0.00
Q3  2024
≡ Mairs & Power Funds Buy 1,017 0.00
≡ David Katz - Matrix Asset Advisors Buy 1,123 0.03
≡ Kahn Brothers Group Buy 1,508 0.06
Q2  2024
≡ Mairs & Power Funds Sell 100.00% 1,117 0.00
≡ David Katz - Matrix Asset Advisors Sell 100.00% 1,117 0.03
Q1  2024
≡ David Katz - Matrix Asset Advisors Reduce 23.23% 338 0.01
≡ Lee Ainslie - Maverick Capital Sell 100.00% 13,532 0.05
Q4  2023
≡ David Katz - Matrix Asset Advisors Buy 1,455 0.03
≡ Lee Ainslie - Maverick Capital Buy 13,532 0.05
Q3  2023
≡ Lee Ainslie - Maverick Capital Sell 100.00% 8,789 0.03
Q2  2023
≡ Lee Ainslie - Maverick Capital Add 1.44% 125 0.00
Q1  2023
≡ Lee Ainslie - Maverick Capital Buy 8,664 0.03
Q3  2022
≡ David Katz - Matrix Asset Advisors Sell 100.00% 1,485 0.03
Q2  2022
≡ David Katz - Matrix Asset Advisors Buy 1,485 0.03
≡ Lee Ainslie - Maverick Capital Sell 100.00% 11,621 0.03
Q1  2022
≡ Lee Ainslie - Maverick Capital Buy 11,621 0.03
Q1  2021
≡ David Katz - Matrix Asset Advisors Sell 100.00% 47,697 1.01
≡ Torray Funds Sell 100.00% 115,232 2.39
Q4  2020
≡ David Katz - Matrix Asset Advisors Add 7.11% 3,168 0.07
≡ Torray Funds Reduce 2.61% 3,089 0.06
Q3  2020
≡ David Katz - Matrix Asset Advisors Add 18.78% 7,040 0.17
≡ Torray Funds Reduce 1.64% 1,974 0.04
Q2  2020
≡ David Katz - Matrix Asset Advisors Add 21.12% 6,538 0.15
≡ Torray Funds Reduce 1.95% 2,395 0.05
Q1  2020
≡ Torray Funds Add 1.83% 2,201 0.05
≡ David Katz - Matrix Asset Advisors Buy 30,951 0.78
Q4  2019
≡ Torray Funds Reduce 1.64% 2,005 0.05
≡ Robert Olstein - Olstein Capital Management Sell 100.00% 45,000 1.02
Q3  2019
≡ Robert Olstein - Olstein Capital Management Reduce 6.25% 3,000 0.07
≡ Torray Funds Reduce 0.03% 39 0.00
≡ Lee Ainslie - Maverick Capital Sell 100.00% 14,880 0.03
Q2  2019
≡ Torray Funds Add 0.17% 206 0.00
≡ Lee Ainslie - Maverick Capital Buy 14,880 0.03
≡ Thomas Russo - Gardner Russo & Quinn Sell 100.00% 1,512 0.00
Q1  2019
≡ Torray Funds Add 2.01% 2,405 0.04
≡ Thomas Russo - Gardner Russo & Quinn Buy 1,512 0.00
≡ Robert Olstein - Olstein Capital Management Reduce 21.95% 13,500 0.32
Q4  2018
≡ Robert Olstein - Olstein Capital Management Add 13.89% 7,500 0.14
≡ Torray Funds Add 13.99% 14,717 0.20
≡ Thomas Russo - Gardner Russo & Quinn Sell 100.00% 1,571 0.00
Q3  2018
≡ Thomas Russo - Gardner Russo & Quinn Reduce 71.45% 3,932 0.00
≡ Prem Watsa - Fairfax Financial Holdings Sell 100.00% 265,700 2.98
Q2  2018
≡ Thomas Russo - Gardner Russo & Quinn Reduce 10.85% 670 0.00
≡ Robert Olstein - Olstein Capital Management Reduce 8.47% 5,000 0.09
≡ Thomas Gayner - Markel Group Sell 100.00% 15,700 0.05
Q1  2018
≡ Robert Olstein - Olstein Capital Management Add 3.51% 2,000 0.04
≡ Thomas Russo - Gardner Russo & Quinn Reduce 18.65% 1,415 0.00
≡ Warren Buffett - Berkshire Hathaway Sell 100.00% 2,048,045 0.16
Q4  2017
≡ Robert Olstein - Olstein Capital Management Add 35.71% 15,000 0.29
≡ Warren Buffett - Berkshire Hathaway Reduce 94.47% 34,978,653 2.73
≡ Thomas Russo - Gardner Russo & Quinn Reduce 7.28% 596 0.00
≡ Prem Watsa - Fairfax Financial Holdings Reduce 5.51% 15,500 0.17
≡ Kahn Brothers Group Sell 100.00% 50 0.00
Q3  2017
≡ Robert Olstein - Olstein Capital Management Add 50.00% 14,000 0.26
≡ Kahn Brothers Group Reduce 98.50% 3,273 0.00
≡ Prem Watsa - Fairfax Financial Holdings Reduce 57.52% 380,700 4.52
≡ Warren Buffett - Berkshire Hathaway Reduce 31.54% 17,057,975 1.39
≡ Thomas Russo - Gardner Russo & Quinn Reduce 8.39% 750 0.00
Q2  2017
≡ Robert Olstein - Olstein Capital Management Add 33.33% 7,000 0.14
≡ Thomas Gayner - Markel Group Add 61.86% 6,000 0.02
≡ Prem Watsa - Fairfax Financial Holdings Reduce 51.40% 700,000 9.54
≡ Kahn Brothers Group Reduce 42.54% 2,460 0.06
≡ Warren Buffett - Berkshire Hathaway Reduce 16.23% 10,477,282 0.99
≡ Thomas Russo - Gardner Russo & Quinn Reduce 2.46% 225 0.00
Q1  2017
≡ Thomas Gayner - Markel Group Buy 9,700 0.04
≡ Warren Buffett - Berkshire Hathaway Reduce 20.52% 16,670,348 1.79
≡ Thomas Russo - Gardner Russo & Quinn Reduce 4.08% 390 0.00
≡ Kahn Brothers Group Reduce 1.70% 100 0.00
Q4  2016
≡ Robert Olstein - Olstein Capital Management Buy 21,000 0.45
≡ Thomas Russo - Gardner Russo & Quinn Reduce 11.16% 1,200 0.00
≡ Prem Watsa - Fairfax Financial Holdings Reduce 0.04% 600 0.01
Q3  2016
≡ Kahn Brothers Group Reduce 20.05% 1,475 0.04
≡ Thomas Russo - Gardner Russo & Quinn Reduce 4.66% 525 0.00
Q2  2016
≡ Thomas Russo - Gardner Russo & Quinn Add 29.97% 2,600 0.00
≡ Kahn Brothers Group Reduce 54.84% 4,035 0.10
Q1  2016
≡ Warren Buffett - Berkshire Hathaway Add 0.25% 198,853 0.02
≡ Kahn Brothers Group Add 2.79% 200 0.01
≡ Thomas Russo - Gardner Russo & Quinn Reduce 5.04% 460 0.00
≡ Bruce Berkowitz - Fairholme Capital Sell 100.00% 47,900 0.27

* "Hold Price" is the last known price at which an investor still held a security. It is the closing price of the security as of the portfolio date (quarter end). This value is only provided when a security is owned by at least two investors. In the case of reporting dates being different, a weighted average price is calculated.