Which funds own MKSI
MKS Inc. in the Q2 2026 filings. At least 18 of the 91 current managers on file reported a position, worth $6.7bn 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
- 18
- at least, of 91 current
- Combined value
- $6.7bn
- as reported
- Opened
- 2
- new this quarter
- Added to
- 7
- already held
- Trimmed or sold out
- 11
- 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 |
|---|---|---|---|---|---|
| Invesco Ltd Long-only · $1264bn book | $2.1bn | 0.2% | 4,661,664 | +$1.2bn+940,205 | Added |
| Point72 Asset Management LP Multi-strategy · $90.7bn book | $888m | 1.0% | 1,996,843 | +$518m+386,512 | Added |
| T. Rowe Price Associates Inc Long-only · $999bn book | $841m | 0.1% | 1,889,901 | +$450m+189,753 | Added |
| Wellington Management Group LLP Long-only · $580bn book | $630m | 0.1% | 1,416,034 | +$209m-417,103 | Trimmed |
| Whale Rock Capital Management LLC Long/short equity · $12.5bn book | $566m | 4.5% | 1,271,373 | +$265m-35,351 | Trimmed |
| Neuberger Berman Group LLC Long-only · $150bn book | $518m | 0.3% | 1,165,068 | +$189m-268,461 | Trimmed |
| Sachem Head Capital Management LP Activist · $4.8bn book | $362m | 7.5% | 812,700 | opened812,700 | New |
| Millennium Management LLC Multi-strategy · $276bn book | $287m | 0.1% | 645,071 | +$81m-249,298 | Trimmed |
| Davidson Kempner Capital Management LP Long/short equity · $8.4bn book | $146m | 1.7% | 49,500,000 | +$100m+21,500,000 | Added |
| Balyasny Asset Management LLC Multi-strategy · $80.2bn book | $116m | 0.1% | 260,178 | +$22m-147,217 | Trimmed |
| Marshall Wace LLP Quantitative · $127bn book | $100m | 0.1% | 225,115 | +$78m+126,425 | Added |
| Light Street Capital Management LLC Long/short equity · $903m book | $46m | 5.1% | 103,800 | +$18m-18,464 | Trimmed |
| Glenview Capital Management LLC Long/short equity · $5.5bn book | $44m | 0.8% | 98,532 | opened98,532 | New |
| PDT Partners LLC Quantitative · $1.9bn book | $32m | 1.7% | 72,347 | +$15m-4,454 | Trimmed |
| ExodusPoint Capital Management LP Multi-strategy · $15.5bn book | $29m | 0.2% | 65,628 | +$15m+5,530 | Added |
| Brevan Howard Capital Management LP Macro · $13.5bn book | $26m | 0.2% | 58,288 | +$24m+50,004 | Added |
| Caxton Associates LLP Macro · $5.3bn book | $2.7m | 0.1% | 6,083 | +$900k-1,934 | Trimmed |
| Maverick Capital Ltd Long/short equity · $11.3bn book | $900k | 0.0% | 2,050 | -$800k-5,236 | Trimmed |
Sold out of this quarter
Valued at what the position was worth in the previous filing, because by this one it is gone.
- Point72 Asset Management LP · Multi-strategy$17m held before
- Moore Capital Management LP · Macro$2.3m held before
Ownership through time
At least 27 of the 95 managers whose filings are on file listed MKSI in Q2 2026, against 3 in Q2 2013. 5 managers more than in Q1 2026: 3 started positions; 5 listed it again; 3 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: 3
- Q3 2013: 4
- Q4 2013: 2
- Q1 2014: 2
- Q2 2014: 1
- Q3 2014: 1
- Q4 2014: 3
- Q1 2015: 1
- Q2 2015: 1
- Q3 2015: 2
- Q4 2015: 1
- Q1 2016: 3
- Q2 2016: 2
- Q3 2016: 2
- Q4 2016: 4
- Q1 2017: 6
- Q2 2017: 9
- Q3 2017: 12
- Q4 2017: 9
- Q1 2018: 10
- Q2 2018: 10
- Q3 2018: 8
- Q4 2018: 8
- Q1 2019: 8
- Q2 2019: 5
- Q3 2019: 5
- Q4 2019: 8
- Q1 2020: 8
- Q2 2020: 7
- Q3 2020: 9
- Q4 2020: 7
- Q1 2021: 8
- Q2 2021: 8
- Q3 2021: 10
- Q4 2021: 7
- Q1 2022: 6
- Q2 2022: 9
- Q3 2022: 7
- Q4 2022: 7
- Q1 2023: 5
- Q2 2023: 11
- Q3 2023: 8
- Q4 2023: 9
- Q1 2024: 7
- Q2 2024: 9
- Q3 2024: 10
- Q4 2024: 6
- Q1 2025: 9
- Q2 2025: 7
- Q3 2025: 10
- Q4 2025: 13
- Q1 2026: 22
- Q2 2026: 27
- Q2 2013: $86m
- Q3 2013: $94m
- Q4 2013: $88m
- Q1 2014: $83m
- Q2 2014: $37m
- Q3 2014: $35m
- Q4 2014: $40m
- Q1 2015: $20m
- Q2 2015: $19m
- Q3 2015: $16m
- Q4 2015: $13m
- Q1 2016: $47m
- Q2 2016: $179m
- Q3 2016: $284m
- Q4 2016: $520m
- Q1 2017: $464m
- Q2 2017: $378m
- Q3 2017: $634m
- Q4 2017: $464m
- Q1 2018: $700m
- Q2 2018: $622m
- Q3 2018: $515m
- Q4 2018: $478m
- Q1 2019: $729m
- Q2 2019: $546m
- Q3 2019: $691m
- Q4 2019: $878m
- Q1 2020: $789m
- Q2 2020: $1.1bn
- Q3 2020: $1.2bn
- Q4 2020: $1.6bn
- Q1 2021: $2.0bn
- Q2 2021: $1.8bn
- Q3 2021: $1.0bn
- Q4 2021: $1.2bn
- Q1 2022: $924m
- Q2 2022: $519m
- Q3 2022: $378m
- Q4 2022: $457m
- Q1 2023: $478m
- Q2 2023: $1.2bn
- Q3 2023: $859m
- Q4 2023: $1.9bn
- Q1 2024: $2.5bn
- Q2 2024: $2.5bn
- Q3 2024: $1.5bn
- Q4 2024: $862m
- Q1 2025: $817m
- Q2 2025: $1.1bn
- Q3 2025: $1.6bn
- Q4 2025: $2.6bn
- Q1 2026: $3.8bn
- Q2 2026: $8.5bn
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
- Invesco Ltd3,721,459 to 4,661,664 shares+$418m
- Sachem Head Capital Management LPnew: 812,700 shares+$361m
- Point72 Asset Management LP1,610,331 to 1,996,843 shares+$172m
- T. Rowe Price Associates Inc1,700,148 to 1,889,901 shares+$84m
- Glenview Capital Management LLCnew: 98,532 shares+$44m
Largest decreases, by shares
- Wellington Management Group LLP1,833,137 to 1,416,034 shares-$186m
- Neuberger Berman Group LLC1,433,529 to 1,165,068 shares-$119m
- Citadel Advisors LLC947,032 to 697,670 shares-$111m
- Millennium Management LLC894,369 to 645,071 shares-$111m
- Balyasny Asset Management LLC407,395 to 260,178 shares-$65m
Left it
No manager on file is shown leaving it.
What MKSI 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 MKSI →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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