Which funds own CSGP
CoStar Group in the Q2 2026 filings. At least 5 of the 91 current managers on file reported a position, worth $1,000m 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
- 5
- at least, of 91 current
- Combined value
- $1,000m
- as reported
- Opened
- 0
- new this quarter
- Added to
- 3
- already held
- Trimmed or sold out
- 4
- 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 |
|---|---|---|---|---|---|
| Baillie Gifford & Co Long-only · $110bn book | $373m | 0.3% | 13,154,165 | -$177m-456,757 | Trimmed |
| Akre Capital Management LLC Long-only · $5.1bn book | $331m | 6.5% | 11,699,396 | -$86m+1,351,123 | Added |
| Polen Capital Management LLC Long-only · $11.6bn book | $248m | 2.1% | 8,759,314 | -$259m-3,811,054 | Trimmed |
| Voloridge Investment Management LLC Quantitative · $23.5bn book | $44m | 0.2% | 1,543,483 | -$9.9m+213,525 | Added |
| Caxton Associates LLP Macro · $5.3bn book | $4.0m | 0.1% | 142,518 | +$600k+58,570 | Added |
Sold out of this quarter
Valued at what the position was worth in the previous filing, because by this one it is gone.
- Tiger Global Management LLC · Long/short equity$61m held before
- Winton Group Ltd · Quantitative$4.1m held before
Ownership through time
At least 15 of the 95 managers whose filings are on file listed CSGP in Q2 2026, against 6 in Q2 2013. 1 manager more than in Q1 2026: 6 listed it again; 1 sold out, by its own filing; 4 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: 6
- Q3 2013: 6
- Q4 2013: 7
- Q1 2014: 11
- Q2 2014: 8
- Q3 2014: 7
- Q4 2014: 8
- Q1 2015: 9
- Q2 2015: 8
- Q3 2015: 7
- Q4 2015: 8
- Q1 2016: 10
- Q2 2016: 9
- Q3 2016: 10
- Q4 2016: 9
- Q1 2017: 8
- Q2 2017: 13
- Q3 2017: 15
- Q4 2017: 16
- Q1 2018: 14
- Q2 2018: 13
- Q3 2018: 19
- Q4 2018: 16
- Q1 2019: 18
- Q2 2019: 17
- Q3 2019: 26
- Q4 2019: 19
- Q1 2020: 20
- Q2 2020: 18
- Q3 2020: 20
- Q4 2020: 21
- Q1 2021: 19
- Q2 2021: 21
- Q3 2021: 15
- Q4 2021: 19
- Q1 2022: 18
- Q2 2022: 23
- Q3 2022: 20
- Q4 2022: 22
- Q1 2023: 19
- Q2 2023: 15
- Q3 2023: 16
- Q4 2023: 13
- Q1 2024: 13
- Q2 2024: 15
- Q3 2024: 13
- Q4 2024: 15
- Q1 2025: 16
- Q2 2025: 16
- Q3 2025: 14
- Q4 2025: 13
- Q1 2026: 14
- Q2 2026: 15
- Q2 2013: $486m
- Q3 2013: $610m
- Q4 2013: $827m
- Q1 2014: $885m
- Q2 2014: $740m
- Q3 2014: $618m
- Q4 2014: $815m
- Q1 2015: $1.2bn
- Q2 2015: $1.2bn
- Q3 2015: $1.1bn
- Q4 2015: $1.3bn
- Q1 2016: $1.1bn
- Q2 2016: $1.1bn
- Q3 2016: $1.1bn
- Q4 2016: $827m
- Q1 2017: $1.1bn
- Q2 2017: $2.3bn
- Q3 2017: $2.8bn
- Q4 2017: $3.2bn
- Q1 2018: $3.7bn
- Q2 2018: $3.9bn
- Q3 2018: $4.0bn
- Q4 2018: $2.8bn
- Q1 2019: $3.7bn
- Q2 2019: $4.3bn
- Q3 2019: $4.9bn
- Q4 2019: $5.0bn
- Q1 2020: $5.4bn
- Q2 2020: $7.4bn
- Q3 2020: $8.8bn
- Q4 2020: $9.3bn
- Q1 2021: $8.6bn
- Q2 2021: $8.4bn
- Q3 2021: $8.4bn
- Q4 2021: $6.9bn
- Q1 2022: $5.0bn
- Q2 2022: $5.0bn
- Q3 2022: $5.0bn
- Q4 2022: $5.3bn
- Q1 2023: $4.3bn
- Q2 2023: $5.5bn
- Q3 2023: $4.6bn
- Q4 2023: $5.1bn
- Q1 2024: $5.7bn
- Q2 2024: $4.1bn
- Q3 2024: $3.8bn
- Q4 2024: $3.3bn
- Q1 2025: $3.8bn
- Q2 2025: $4.5bn
- Q3 2025: $4.8bn
- Q4 2025: $4.5bn
- Q1 2026: $3.0bn
- Q2 2026: $1.8bn
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
No manager on file started a position.
Largest increases, by shares
- Akre Capital Management LLC10,348,273 to 11,699,396 shares+$38m
- Squarepoint Ops LLC782,607 to 1,442,049 shares+$19m
- Voloridge Investment Management LLC1,329,958 to 1,543,483 shares+$6.0m
- Holocene Advisors LP92,988 to 216,209 shares+$3.5m
- Janus Henderson Group Ltd7,724,152 to 7,832,860 shares+$3.1m
Largest decreases, by shares
- Polen Capital Management LLC12,570,368 to 8,759,314 shares-$108m
- Baillie Gifford & Co13,610,922 to 13,154,165 shares-$13m
- Capital Research Global Investors4,373,706 to 4,193,733 shares-$5.1m
Left it
- Tiger Global Management LLCwas $61m
| Manager | Value over time | First listed | Largest | Q2 2026 |
|---|---|---|---|---|
| Baillie Gifford & Co | Q3 2016 | $1.1bn | $373m | |
| Akre Capital Management LLC | Q4 2019 | $893m | $331m | |
| Polen Capital Management LLC | Q4 2024 | $557m | $248m | |
| AQR Capital Management LLC | Q2 2019 | $239m | $239m | |
| Janus Henderson Group Ltd | Q4 2014 | $1.2bn | $222m | |
| Capital Research Global Investors | Q2 2013 | $421m | $119m | |
| MFS Investment Management | Q2 2014 | $1.1bn | $85m | |
| Voloridge Investment Management LLC | Q3 2017 | $54m | $44m | |
| Squarepoint Ops LLC | Q1 2015 | $53m | $41m | |
| Marshall Wace LLP | Q4 2016 | $111m | $39m | |
| Man Group PLC | Q1 2020 | $26m | $26m | |
| ExodusPoint Capital Management LP | Q2 2019 | $103m | $13m | |
| Holocene Advisors LP | Q2 2021 | $61m | $6.1m | |
| Caxton Associates LLP | Q1 2020 | $4.0m | $4.0m | |
| Quantbot Technologies LP | Q3 2017 | $11m | $1.8m | |
| T. Rowe Price Associates Inc | Q2 2013 | $4.1bn | last listed Q1 2024 | |
| Invesco Ltd | Q2 2013 | $1.0bn | last listed Q1 2026 | |
| Wellington Management Group LLP | Q4 2013 | $889m | last listed Q1 2024 | |
| Fidelity (FMR LLC) | Q3 2019 | $811m | last listed Q4 2020 | |
| Artisan Partners LP | Q2 2013 | $551m | last listed Q3 2024 | |
| Third Point LLC | Q1 2021 | $489m | last listed Q4 2025 | |
| Farallon Capital Management LLC | Q2 2022 | $300m | last listed Q1 2024 | |
| Tiger Global Management LLC | Q4 2024 | $274m | last listed Q1 2026 | |
| Viking Global Investors LP | Q3 2020 | $259m | last listed Q4 2025 | |
| D. E. Shaw & Co. | Q4 2022 | $238m | last listed Q1 2026 |
What CSGP 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 CSGP →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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