Which funds own IBM
International Business Machs in the Q2 2026 filings. At least 15 of the 91 current managers on file reported a position, worth $13.0bn between them. It is among the largest positions of fewer than a fifth of the current managers on file. Buying and selling roughly cancelled this quarter, which is what a name looks like when the argument is still live.
- Managers holding
- 15
- at least, of 91 current
- Combined value
- $13.0bn
- as reported
- Opened
- 2
- new this quarter
- Added to
- 7
- already held
- Trimmed or sold out
- 8
- 2 sold out entirely
Only each manager’s largest 200 positions are listed here, so a smaller holder may be missing.
Managers reporting a position
Largest first. Weight is the share of that manager’s whole reported book, which is the number worth quoting: $400m is a rounding error in one book and a defining bet in another.
| Manager | Value | Weight | Shares | Change on the quarter | Action |
|---|---|---|---|---|---|
| Capital World Investors Long-only · $846bn book | $4.6bn | 0.5% | 16,207,905 | +$422m-854,548 | Trimmed |
| Fidelity (FMR LLC) Long-only · $2304bn book | $2.1bn | 0.1% | 7,433,148 | +$819m+2,187,458 | Added |
| Wellington Management Group LLP Long-only · $580bn book | $1.8bn | 0.3% | 6,549,393 | +$1.8bn+6,283,395 | Added |
| Invesco Ltd Long-only · $1264bn book | $1.2bn | 0.1% | 4,329,024 | +$202m+138,880 | Added |
| T. Rowe Price Associates Inc Long-only · $999bn book | $1.1bn | 0.1% | 3,828,617 | -$104m-1,041,744 | Trimmed |
| AQR Capital Management LLC Quantitative · $287bn book | $742m | 0.3% | 2,688,952 | +$287m+800,610 | Added |
| Marshall Wace LLP Quantitative · $127bn book | $479m | 0.4% | 1,702,963 | +$409m+1,414,891 | Added |
| AllianceBernstein LP Long-only · $302bn book | $389m | 0.1% | 1,603,863 | -$48m+129,864 | Added |
| Neuberger Berman Group LLC Long-only · $150bn book | $194m | 0.1% | 689,624 | +$16m-44,962 | Trimmed |
| Acadian Asset Management LLC Quantitative · $84.2bn book | $109m | 0.1% | 388,148 | -$7.7m-93,757 | Trimmed |
| Woodline Partners LP Long/short equity · $32.4bn book | $96m | 0.3% | 340,396 | +$13m-449 | Trimmed |
| Walleye Capital LLC Multi-strategy · $28.0bn book | $84m | 0.3% | 300,154 | +$59m+194,377 | Added |
| Hudson Bay Capital Management LP Multi-strategy · $36.8bn book | $56m | 0.2% | 200,000 | opened200,000 | New |
| Freestone Grove Partners LP Multi-strategy · $15.6bn book | $41m | 0.3% | 147,261 | opened147,261 | New |
| Dodge & Cox Value · $191bn book | $13m | 0.0% | 45,995 | +$1.6m-592 | Trimmed |
Sold out of this quarter
Valued at what the position was worth in the previous filing, because by this one it is gone.
- MFS Investment Management · Long-only$64m held before
- Rokos Capital Management LLP · Macro$20m held before
Ownership through time
At least 20 of the 95 managers whose filings are on file listed IBM in Q2 2026, against 27 in Q2 2013. 1 manager more than in Q1 2026: 2 started positions; 2 listed it again; 1 sold out, by its own filing; 2 no longer listed it among the positions read, which can mean a holding below the listed range, a filing that reported no holdings, or a filing not yet made.
Each manager’s largest 500 positions a quarter are read, so a small holding in a very large book can be missing, and a manager is counted as leaving only where its own filing shows it.
- Q2 2013: 27
- Q3 2013: 28
- Q4 2013: 27
- Q1 2014: 28
- Q2 2014: 30
- Q3 2014: 25
- Q4 2014: 28
- Q1 2015: 24
- Q2 2015: 29
- Q3 2015: 27
- Q4 2015: 29
- Q1 2016: 24
- Q2 2016: 20
- Q3 2016: 26
- Q4 2016: 22
- Q1 2017: 32
- Q2 2017: 30
- Q3 2017: 27
- Q4 2017: 34
- Q1 2018: 29
- Q2 2018: 26
- Q3 2018: 24
- Q4 2018: 24
- Q1 2019: 24
- Q2 2019: 25
- Q3 2019: 22
- Q4 2019: 24
- Q1 2020: 18
- Q2 2020: 21
- Q3 2020: 18
- Q4 2020: 20
- Q1 2021: 21
- Q2 2021: 17
- Q3 2021: 20
- Q4 2021: 18
- Q1 2022: 18
- Q2 2022: 14
- Q3 2022: 13
- Q4 2022: 19
- Q1 2023: 25
- Q2 2023: 22
- Q3 2023: 20
- Q4 2023: 18
- Q1 2024: 15
- Q2 2024: 18
- Q3 2024: 17
- Q4 2024: 20
- Q1 2025: 18
- Q2 2025: 20
- Q3 2025: 21
- Q4 2025: 17
- Q1 2026: 19
- Q2 2026: 20
- Q2 2013: $23.2bn
- Q3 2013: $23.4bn
- Q4 2013: $22.6bn
- Q1 2014: $22.7bn
- Q2 2014: $21.5bn
- Q3 2014: $22.4bn
- Q4 2014: $19.8bn
- Q1 2015: $20.0bn
- Q2 2015: $20.1bn
- Q3 2015: $18.2bn
- Q4 2015: $17.1bn
- Q1 2016: $18.2bn
- Q2 2016: $18.0bn
- Q3 2016: $18.7bn
- Q4 2016: $19.1bn
- Q1 2017: $17.3bn
- Q2 2017: $13.9bn
- Q3 2017: $10.5bn
- Q4 2017: $6.8bn
- Q1 2018: $5.9bn
- Q2 2018: $4.7bn
- Q3 2018: $4.8bn
- Q4 2018: $3.4bn
- Q1 2019: $4.3bn
- Q2 2019: $4.4bn
- Q3 2019: $4.6bn
- Q4 2019: $4.2bn
- Q1 2020: $3.1bn
- Q2 2020: $3.9bn
- Q3 2020: $3.6bn
- Q4 2020: $3.8bn
- Q1 2021: $3.9bn
- Q2 2021: $3.9bn
- Q3 2021: $3.6bn
- Q4 2021: $2.9bn
- Q1 2022: $2.4bn
- Q2 2022: $2.3bn
- Q3 2022: $2.1bn
- Q4 2022: $3.1bn
- Q1 2023: $3.4bn
- Q2 2023: $2.8bn
- Q3 2023: $2.8bn
- Q4 2023: $3.7bn
- Q1 2024: $4.5bn
- Q2 2024: $3.5bn
- Q3 2024: $5.4bn
- Q4 2024: $6.9bn
- Q1 2025: $8.2bn
- Q2 2025: $9.8bn
- Q3 2025: $10.8bn
- Q4 2025: $12.8bn
- Q1 2026: $9.4bn
- Q2 2026: $13.3bn
Between the quarter ends of Q1 2026 and Q2 2026. Each change in shares is valued at the Q2 2026 price, so the price’s own move is left out; a 13F shows the two quarter ends, not when in between anything was bought or sold.
Started in Q2 2026
Largest increases, by shares
- Fidelity (FMR LLC)5,245,690 to 7,433,148 shares+$615m
- Marshall Wace LLP288,072 to 1,702,963 shares+$398m
- AQR Capital Management LLC1,888,342 to 2,688,952 shares+$221m
- Hudson Bay Capital Management LPnew: 200,000 shares+$56m
- Walleye Capital LLC105,777 to 300,154 shares+$55m
Largest decreases, by shares
- T. Rowe Price Associates Inc4,870,361 to 3,828,617 shares-$293m
- Capital World Investors17,062,453 to 16,207,905 shares-$240m
- Janus Henderson Group Ltd302,610 to 141,630 shares-$45m
- D. E. Shaw & Co.440,533 to 338,010 shares-$29m
- Acadian Asset Management LLC481,905 to 388,148 shares-$26m
Left it
- MFS Investment Managementwas $63m
| Manager | Value over time | First listed | Largest | Q2 2026 |
|---|---|---|---|---|
| Capital World Investors | Q2 2013 | $6.5bn | $4.6bn | |
| Fidelity (FMR LLC) | Q2 2013 | $2.5bn | $2.1bn | |
| Wellington Management Group LLP | Q2 2013 | $2.2bn | $1.8bn | |
| Invesco Ltd | Q2 2013 | $1.2bn | $1.2bn | |
| T. Rowe Price Associates Inc | Q2 2013 | $1.7bn | $1.1bn | |
| AQR Capital Management LLC | Q2 2013 | $742m | $742m | |
| Marshall Wace LLP | Q1 2014 | $479m | $479m | |
| AllianceBernstein LP | Q2 2013 | $766m | $389m | |
| Neuberger Berman Group LLC | Q2 2013 | $1.2bn | $194m | |
| Millennium Management LLC | Q2 2013 | $171m | $131m | |
| Acadian Asset Management LLC | Q3 2013 | $166m | $109m | |
| Woodline Partners LP | Q3 2021 | $112m | $96m | |
| D. E. Shaw & Co. | Q2 2013 | $541m | $95m | |
| Walleye Capital LLC | Q3 2018 | $84m | $84m | |
| Arrowstreet Capital LP | Q1 2017 | $778m | $70m | |
| Berkshire Hathaway Inc | Q2 2013 | $13.5bn | last listed Q4 2017 | |
| Capital Research Global Investors | Q2 2013 | $1.7bn | last listed Q4 2025 | |
| MFS Investment Management | Q2 2013 | $1.4bn | last listed Q1 2026 | |
| Holocene Advisors LP | Q4 2017 | $573m | last listed Q3 2024 | |
| Renaissance Technologies LLC | Q2 2013 | $524m | last listed Q2 2024 | |
| Ruane Cunniff & Goldfarb LP | Q2 2013 | $288m | last listed Q1 2017 | |
| Susquehanna International Group LLP | Q2 2013 | $280m | last listed Q1 2023 | |
| Citadel Advisors LLC | Q4 2017 | $242m | last listed Q4 2023 | |
| Two Sigma Investments LP | Q2 2013 | $225m | last listed Q4 2023 | |
| Point72 Asset Management LP | Q4 2017 | $223m | last listed Q1 2023 |
Reported as options rather than shares
A put or a call on a name is not a position in it, and the filing states the notional rather than what the option cost. These lines are listed apart for that reason and are not counted in anything above.
- Susquehanna International Group LLP · calls$1.9bn notional
- Susquehanna International Group LLP · puts$1.4bn notional
- Citadel Advisors LLC · calls$901m notional
- Jane Street Group LLC · puts$825m notional
- Citadel Advisors LLC · puts$817m notional
- Millennium Management LLC · puts$285m notional
What IBM is worth
Knowing who owns it is half the question. The other half is what it is worth against the companies it trades beside, which is the one an interviewer will follow up with.
Build the comp set around IBM →How much of the picture this is
A Form 13F reports US-listed long equity and nothing else: no shorts, no bonds, no cash and no non-US listings. It arrives forty-five days after the quarter ends, so a manager who sold in July still shows the position in a filing published in August. This page reads the managers on file here rather than every filer in the market, and each manager’s largest positions rather than the whole table, so a small position in a very large book may not appear. Say “their last filing showed” rather than “they own”, and the distinction will do you credit.
What to do with a name the funds are buying
Knowing who owns something is the start of a pitch, not the pitch. The next questions are what it is worth and why they were buying.
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The holdings, every quarter, and the week between
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