Which funds own AEIS
Advanced Energy Inds in the Q2 2026 filings. At least 5 of the 91 current managers on file reported a position, worth $91m between them. It is among the largest positions of fewer than a fifth of the current managers on file. The quarter went one way: 5 managers opened or added against 2 cutting.
- Managers holding
- 5
- at least, of 91 current
- Combined value
- $91m
- as reported
- Opened
- 2
- new this quarter
- Added to
- 3
- already held
- Trimmed or sold out
- 2
- 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 |
|---|---|---|---|---|---|
| First Eagle Investment Management LLC Activist · $60.8bn book | $34m | 0.1% | 91,535 | +$7.7m+9,717 | Added |
| Freestone Grove Partners LP Multi-strategy · $15.6bn book | $33m | 0.2% | 87,213 | +$26m+66,607 | Added |
| PDT Partners LLC Quantitative · $1.9bn book | $23m | 1.2% | 62,188 | +$22m+58,888 | Added |
| Maverick Capital Ltd Long/short equity · $11.3bn book | $600k | 0.0% | 1,598 | opened1,598 | New |
| Polen Capital Management LLC Long-only · $11.6bn book | $600k | 0.0% | 1,503 | opened1,503 | New |
Sold out of this quarter
Valued at what the position was worth in the previous filing, because by this one it is gone.
- Whale Rock Capital Management LLC · Long/short equity$330m held before
- Point72 Asset Management LP · Multi-strategy$31m held before
Ownership through time
At least 26 of the 95 managers whose filings are on file listed AEIS in Q2 2026, against 1 in Q2 2013. 14 managers more than in Q1 2026: 8 started positions; 7 listed it again; 1 sold out, by its own filing.
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: 1
- Q3 2013: 1
- Q4 2013: 1
- Q2 2014: 1
- Q3 2014: 1
- Q4 2014: 1
- Q1 2015: 2
- Q2 2015: 1
- Q4 2015: 1
- Q2 2016: 1
- Q3 2016: 1
- Q4 2016: 2
- Q1 2017: 5
- Q2 2017: 7
- Q3 2017: 11
- Q4 2017: 9
- Q1 2018: 9
- Q2 2018: 5
- Q3 2018: 6
- Q4 2018: 4
- Q1 2019: 3
- Q2 2019: 2
- Q3 2019: 3
- Q4 2019: 2
- Q1 2020: 1
- Q2 2020: 1
- Q3 2020: 2
- Q4 2020: 3
- Q1 2021: 4
- Q2 2021: 3
- Q3 2021: 2
- Q4 2021: 3
- Q1 2022: 4
- Q2 2022: 3
- Q3 2022: 3
- Q4 2022: 5
- Q1 2023: 6
- Q2 2023: 6
- Q3 2023: 7
- Q4 2023: 4
- Q1 2024: 4
- Q2 2024: 6
- Q3 2024: 4
- Q4 2024: 4
- Q1 2025: 2
- Q2 2025: 3
- Q3 2025: 4
- Q4 2025: 7
- Q1 2026: 12
- Q2 2026: 26
- Q2 2013: $440k
- Q3 2013: $907k
- Q4 2013: $572k
- Q2 2014: $28m
- Q3 2014: $22m
- Q4 2014: $12m
- Q1 2015: $6.2m
- Q2 2015: $277k
- Q4 2015: $288k
- Q2 2016: $6.6m
- Q3 2016: $8.2m
- Q4 2016: $56m
- Q1 2017: $68m
- Q2 2017: $65m
- Q3 2017: $193m
- Q4 2017: $127m
- Q1 2018: $129m
- Q2 2018: $94m
- Q3 2018: $96m
- Q4 2018: $70m
- Q1 2019: $73m
- Q2 2019: $72m
- Q3 2019: $59m
- Q4 2019: $4.1m
- Q1 2020: $1.9m
- Q2 2020: $2.8m
- Q3 2020: $37m
- Q4 2020: $101m
- Q1 2021: $66m
- Q2 2021: $83m
- Q3 2021: $72m
- Q4 2021: $77m
- Q1 2022: $157m
- Q2 2022: $137m
- Q3 2022: $146m
- Q4 2022: $129m
- Q1 2023: $176m
- Q2 2023: $586m
- Q3 2023: $599m
- Q4 2023: $620m
- Q1 2024: $165m
- Q2 2024: $613m
- Q3 2024: $157m
- Q4 2024: $186m
- Q1 2025: $123m
- Q2 2025: $238m
- Q3 2025: $309m
- Q4 2025: $817m
- Q1 2026: $1.7bn
- Q2 2026: $2.4bn
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
- Tudor Investment Corpnew: 126,182 shares+$47m
- Wellington Management Group LLP387,476 to 509,090 shares+$45m
- Squarepoint Ops LLCnew: 103,429 shares+$39m
- Acadian Asset Management LLC92,675 to 174,328 shares+$30m
- Millennium Management LLC303,180 to 381,740 shares+$29m
Largest decreases, by shares
- Invesco Ltd1,832,738 to 1,188,258 shares-$240m
- Neuberger Berman Group LLC583,343 to 414,656 shares-$63m
- AllianceBernstein LP457,543 to 283,983 shares-$56m
- Arrowstreet Capital LP335,591 to 240,845 shares-$35m
- MFS Investment Management406,171 to 375,982 shares-$11m
Left it
- Whale Rock Capital Management LLCwas $330m
| Manager | Value over time | First listed | Largest | Q2 2026 |
|---|---|---|---|---|
| Invesco Ltd | Q4 2025 | $591m | $443m | |
| Jane Street Group LLC | Q2 2026 | $304m | $304m | |
| D. E. Shaw & Co. | Q2 2026 | $218m | $218m | |
| Wellington Management Group LLP | Q1 2026 | $190m | $190m | |
| AQR Capital Management LLC | Q2 2026 | $178m | $178m | |
| Neuberger Berman Group LLC | Q1 2022 | $188m | $155m | |
| Millennium Management LLC | Q1 2026 | $142m | $142m | |
| MFS Investment Management | Q3 2020 | $140m | $140m | |
| AllianceBernstein LP | Q4 2016 | $118m | $92m | |
| Arrowstreet Capital LP | Q1 2017 | $108m | $90m | |
| Marshall Wace LLP | Q2 2018 | $76m | $76m | |
| Acadian Asset Management LLC | Q1 2015 | $65m | $65m | |
| Tudor Investment Corp | Q2 2013 | $47m | $47m | |
| Squarepoint Ops LLC | Q2 2015 | $39m | $39m | |
| Renaissance Technologies LLC | Q3 2017 | $87m | $37m | |
| Fidelity (FMR LLC) | Q2 2023 | $447m | last listed Q2 2024 | |
| Whale Rock Capital Management LLC | Q1 2026 | $330m | last listed Q1 2026 | |
| Two Sigma Advisers LP | Q2 2016 | $34m | last listed Q4 2017 | |
| Point72 Asset Management LP | Q2 2014 | $28m | last listed Q4 2014 | |
| Man Group PLC | Q1 2018 | $15m | last listed Q1 2018 | |
| Winton Group Ltd | Q3 2017 | $3.5m | last listed Q3 2017 | |
| Soros Fund Management LLC | Q3 2023 | $1.8m | last listed Q3 2023 | |
| Schonfeld Strategic Advisors LLC | Q2 2017 | $1.3m | last listed Q1 2018 | |
| Verition Fund Management LLC | Q4 2017 | $1.0m | last listed Q1 2018 | |
| Caxton Associates LLP | Q1 2017 | $452k | last listed Q1 2021 |
What AEIS 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 AEIS →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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