Which funds own WAT
Waters Corp in the Q2 2026 filings. At least 15 of the 91 current managers on file reported a position, worth $9.1bn between them. It is among the largest positions of fewer than a fifth of the current managers on file. The quarter went one way: 10 managers opened or added against 5 cutting.
- Managers holding
- 15
- at least, of 91 current
- Combined value
- $9.1bn
- as reported
- Opened
- 0
- new this quarter
- Added to
- 10
- already held
- Trimmed or sold out
- 5
- 0 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 |
|---|---|---|---|---|---|
| MFS Investment Management Long-only · $315bn book | $2.5bn | 0.8% | 4,625,035 | +$467m-5,083 | Trimmed |
| Invesco Ltd Long-only · $1264bn book | $1.3bn | 0.1% | 3,494,267 | +$665m+1,325,982 | Added |
| T. Rowe Price Associates Inc Long-only · $999bn book | $817m | 0.1% | 2,177,958 | +$482m+1,053,930 | Added |
| AllianceBernstein LP Long-only · $302bn book | $802m | 0.3% | 2,694,590 | -$1.6m+577,853 | Added |
| Janus Henderson Group Ltd Long-only · $245bn book | $624m | 0.3% | 1,663,601 | +$136m+24,829 | Added |
| Viking Global Investors LP Long/short equity · $35.1bn book | $623m | 1.8% | 1,662,140 | +$249m+405,678 | Added |
| First Eagle Investment Management LLC Activist · $60.8bn book | $501m | 0.8% | 1,335,108 | +$32m-240,079 | Trimmed |
| D. E. Shaw & Co. Quantitative · $210bn book | $356m | 0.2% | 948,639 | +$51m-76,601 | Trimmed |
| Millennium Management LLC Multi-strategy · $276bn book | $336m | 0.1% | 894,660 | +$280m+709,492 | Added |
| Holocene Advisors LP Long/short equity · $44.4bn book | $318m | 0.7% | 847,774 | +$45m-69,292 | Trimmed |
| Neuberger Berman Group LLC Long-only · $150bn book | $239m | 0.2% | 638,786 | +$125m+255,838 | Added |
| Marshall Wace LLP Quantitative · $127bn book | $218m | 0.2% | 581,332 | +$151m+354,446 | Added |
| Artisan Partners LP Long-only · $63.1bn book | $210m | 0.3% | 560,753 | +$51m+26,177 | Added |
| Point72 Asset Management LP Multi-strategy · $90.7bn book | $167m | 0.2% | 444,225 | +$61m+89,850 | Added |
| Harris Associates LP Activist · $75.4bn book | $6.9m | 0.0% | 18,413 | -$79m-270,299 | Trimmed |
Ownership through time
At least 20 of the 95 managers whose filings are on file listed WAT in Q2 2026, against 9 in Q2 2013. 2 managers more than in Q1 2026: 1 started a position; 4 listed it again; 3 no longer listed it among the positions read, which can mean a holding below the listed range 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: 9
- Q3 2013: 6
- Q4 2013: 9
- Q1 2014: 8
- Q2 2014: 11
- Q3 2014: 12
- Q4 2014: 12
- Q1 2015: 8
- Q2 2015: 11
- Q3 2015: 9
- Q4 2015: 10
- Q1 2016: 11
- Q2 2016: 15
- Q3 2016: 12
- Q4 2016: 10
- Q1 2017: 10
- Q2 2017: 16
- Q3 2017: 14
- Q4 2017: 15
- Q1 2018: 18
- Q2 2018: 15
- Q3 2018: 16
- Q4 2018: 14
- Q1 2019: 15
- Q2 2019: 13
- Q3 2019: 12
- Q4 2019: 13
- Q1 2020: 15
- Q2 2020: 21
- Q3 2020: 22
- Q4 2020: 17
- Q1 2021: 15
- Q2 2021: 16
- Q3 2021: 18
- Q4 2021: 14
- Q1 2022: 17
- Q2 2022: 18
- Q3 2022: 19
- Q4 2022: 21
- Q1 2023: 23
- Q2 2023: 15
- Q3 2023: 14
- Q4 2023: 8
- Q1 2024: 8
- Q2 2024: 10
- Q3 2024: 7
- Q4 2024: 10
- Q1 2025: 11
- Q2 2025: 12
- Q3 2025: 12
- Q4 2025: 15
- Q1 2026: 18
- Q2 2026: 20
- Q2 2013: $1.7bn
- Q3 2013: $1.9bn
- Q4 2013: $1.6bn
- Q1 2014: $1.9bn
- Q2 2014: $1.8bn
- Q3 2014: $1.7bn
- Q4 2014: $2.1bn
- Q1 2015: $2.1bn
- Q2 2015: $2.1bn
- Q3 2015: $2.0bn
- Q4 2015: $2.4bn
- Q1 2016: $2.6bn
- Q2 2016: $2.6bn
- Q3 2016: $2.7bn
- Q4 2016: $1.9bn
- Q1 2017: $2.1bn
- Q2 2017: $3.1bn
- Q3 2017: $2.7bn
- Q4 2017: $3.1bn
- Q1 2018: $2.7bn
- Q2 2018: $2.5bn
- Q3 2018: $2.3bn
- Q4 2018: $2.2bn
- Q1 2019: $2.8bn
- Q2 2019: $2.4bn
- Q3 2019: $2.6bn
- Q4 2019: $2.7bn
- Q1 2020: $2.0bn
- Q2 2020: $1.9bn
- Q3 2020: $1.9bn
- Q4 2020: $2.1bn
- Q1 2021: $2.2bn
- Q2 2021: $2.5bn
- Q3 2021: $2.8bn
- Q4 2021: $3.1bn
- Q1 2022: $2.4bn
- Q2 2022: $2.7bn
- Q3 2022: $2.2bn
- Q4 2022: $2.5bn
- Q1 2023: $2.5bn
- Q2 2023: $2.3bn
- Q3 2023: $2.4bn
- Q4 2023: $2.6bn
- Q1 2024: $2.8bn
- Q2 2024: $2.1bn
- Q3 2024: $2.5bn
- Q4 2024: $2.8bn
- Q1 2025: $3.1bn
- Q2 2025: $3.3bn
- Q3 2025: $2.6bn
- Q4 2025: $3.9bn
- Q1 2026: $6.6bn
- Q2 2026: $9.8bn
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 Ltd2,168,285 to 3,494,267 shares+$497m
- T. Rowe Price Associates Inc1,124,028 to 2,177,958 shares+$395m
- Wellington Management Group LLP811,326 to 1,373,150 shares+$211m
- AllianceBernstein LP2,116,737 to 2,694,590 shares+$172m
- Viking Global Investors LP1,256,462 to 1,662,140 shares+$152m
Largest decreases, by shares
- Harris Associates LP288,712 to 18,413 shares-$101m
- First Eagle Investment Management LLC1,575,187 to 1,335,108 shares-$90m
- D. E. Shaw & Co.1,025,240 to 948,639 shares-$29m
- Holocene Advisors LP917,066 to 847,774 shares-$26m
- MFS Investment Management4,630,118 to 4,625,035 shares-$2.8m
Left it
No manager on file is shown leaving it.
| Manager | Value over time | First listed | Largest | Q2 2026 |
|---|---|---|---|---|
| MFS Investment Management | Q2 2013 | $2.5bn | $2.5bn | |
| Invesco Ltd | Q2 2013 | $1.3bn | $1.3bn | |
| T. Rowe Price Associates Inc | Q1 2022 | $817m | $817m | |
| AllianceBernstein LP | Q1 2023 | $1.4bn | $802m | |
| Janus Henderson Group Ltd | Q3 2016 | $624m | $624m | |
| Viking Global Investors LP | Q3 2013 | $623m | $623m | |
| Wellington Management Group LLP | Q2 2013 | $515m | $515m | |
| First Eagle Investment Management LLC | Q1 2026 | $501m | $501m | |
| D. E. Shaw & Co. | Q3 2019 | $356m | $356m | |
| Millennium Management LLC | Q4 2013 | $336m | $336m | |
| Holocene Advisors LP | Q4 2017 | $318m | $318m | |
| Neuberger Berman Group LLC | Q1 2026 | $239m | $239m | |
| Marshall Wace LLP | Q2 2014 | $221m | $218m | |
| Artisan Partners LP | Q3 2023 | $210m | $210m | |
| Point72 Asset Management LP | Q3 2020 | $167m | $167m | |
| Baillie Gifford & Co | Q2 2013 | $630m | last listed Q2 2024 | |
| Fidelity (FMR LLC) | Q1 2016 | $518m | last listed Q4 2021 | |
| Ruane Cunniff & Goldfarb LP | Q2 2013 | $329m | last listed Q3 2018 | |
| Renaissance Technologies LLC | Q3 2014 | $276m | last listed Q3 2021 | |
| Citadel Advisors LLC | Q2 2020 | $264m | last listed Q4 2022 | |
| Acadian Asset Management LLC | Q2 2015 | $134m | last listed Q1 2023 | |
| Man Group PLC | Q2 2018 | $122m | last listed Q2 2025 | |
| AQR Capital Management LLC | Q4 2017 | $104m | last listed Q2 2025 | |
| Woodline Partners LP | Q1 2020 | $57m | last listed Q1 2026 | |
| Two Sigma Investments LP | Q2 2013 | $55m | last listed Q1 2025 |
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.
- Tudor Investment Corp · calls$62m notional
What WAT 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 WAT →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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