Which funds own MDB
Mongodb Inc in the Q2 2026 filings. At least 10 of the 91 current managers on file reported a position, worth $1.6bn between them. It is among the largest positions of fewer than a fifth of the current managers on file. The quarter went the other way: 8 managers trimmed or sold out against 5 buying.
- Managers holding
- 10
- at least, of 91 current
- Combined value
- $1.6bn
- as reported
- Opened
- 2
- new this quarter
- Added to
- 3
- already held
- Trimmed or sold out
- 8
- 5 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 |
|---|---|---|---|---|---|
| AQR Capital Management LLC Quantitative · $287bn book | $505m | 0.2% | 1,503,774 | +$187m+191,644 | Added |
| MFS Investment Management Long-only · $315bn book | $428m | 0.1% | 1,263,690 | +$207m+371,946 | Added |
| D. E. Shaw & Co. Quantitative · $210bn book | $239m | 0.1% | 710,220 | +$11m-221,350 | Trimmed |
| Artisan Partners LP Long-only · $63.1bn book | $132m | 0.2% | 394,179 | -$168m-832,991 | Trimmed |
| Baillie Gifford & Co Long-only · $110bn book | $90m | 0.1% | 267,331 | +$24m0 | Held |
| Whale Rock Capital Management LLC Long/short equity · $12.5bn book | $76m | 0.6% | 224,648 | +$21m0 | Held |
| ValueAct Holdings LP Activist · $5.6bn book | $56m | 1.0% | 165,700 | -$198m-872,100 | Trimmed |
| ExodusPoint Capital Management LP Multi-strategy · $15.5bn book | $44m | 0.3% | 130,972 | +$24m+49,060 | Added |
| Light Street Capital Management LLC Long/short equity · $903m book | $17m | 1.9% | 50,000 | opened50,000 | New |
| Element Capital Management LLC Macro · $3.2bn book | $2.7m | 0.1% | 8,000 | opened8,000 | New |
Sold out of this quarter
Valued at what the position was worth in the previous filing, because by this one it is gone.
- Renaissance Technologies LLC · Quantitative$35m held before
- Capital Research Global Investors · Long-only$17m held before
- Voloridge Investment Management LLC · Quantitative$13m held before
- PDT Partners LLC · Quantitative$1.6m held before
- Moore Capital Management LP · Macro$1.0m held before
Ownership through time
At least 23 of the 95 managers whose filings are on file listed MDB in Q2 2026, against 6 in Q4 2017. 8 managers fewer than in Q1 2026: 2 started positions; 2 listed it again; 2 sold out, by their own filings; 10 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.
- Q4 2017: 6
- Q1 2018: 4
- Q2 2018: 9
- Q3 2018: 7
- Q4 2018: 9
- Q1 2019: 14
- Q2 2019: 12
- Q3 2019: 11
- Q4 2019: 9
- Q1 2020: 11
- Q2 2020: 11
- Q3 2020: 15
- Q4 2020: 21
- Q1 2021: 27
- Q2 2021: 22
- Q3 2021: 22
- Q4 2021: 23
- Q1 2022: 26
- Q2 2022: 25
- Q3 2022: 20
- Q4 2022: 22
- Q1 2023: 18
- Q2 2023: 31
- Q3 2023: 32
- Q4 2023: 28
- Q1 2024: 22
- Q2 2024: 25
- Q3 2024: 17
- Q4 2024: 22
- Q1 2025: 19
- Q2 2025: 30
- Q3 2025: 31
- Q4 2025: 34
- Q1 2026: 31
- Q2 2026: 23
- Q4 2017: $18m
- Q1 2018: $48m
- Q2 2018: $316m
- Q3 2018: $935m
- Q4 2018: $1.2bn
- Q1 2019: $2.4bn
- Q2 2019: $2.3bn
- Q3 2019: $2.2bn
- Q4 2019: $2.6bn
- Q1 2020: $2.6bn
- Q2 2020: $4.4bn
- Q3 2020: $4.8bn
- Q4 2020: $7.6bn
- Q1 2021: $5.5bn
- Q2 2021: $8.3bn
- Q3 2021: $11.4bn
- Q4 2021: $13.0bn
- Q1 2022: $10.9bn
- Q2 2022: $6.4bn
- Q3 2022: $5.0bn
- Q4 2022: $4.3bn
- Q1 2023: $5.3bn
- Q2 2023: $8.2bn
- Q3 2023: $6.5bn
- Q4 2023: $7.1bn
- Q1 2024: $5.7bn
- Q2 2024: $4.3bn
- Q3 2024: $3.9bn
- Q4 2024: $2.4bn
- Q1 2025: $1.3bn
- Q2 2025: $2.1bn
- Q3 2025: $4.6bn
- Q4 2025: $7.3bn
- Q1 2026: $3.9bn
- Q2 2026: $4.4bn
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
- Fidelity (FMR LLC)2,192,883 to 3,660,780 shares+$493m
- MFS Investment Management891,744 to 1,263,690 shares+$126m
- AQR Capital Management LLC1,312,130 to 1,503,774 shares+$64m
- Light Street Capital Management LLCnew: 50,000 shares+$17m
- ExodusPoint Capital Management LP81,912 to 130,972 shares+$16m
Largest decreases, by shares
- ValueAct Holdings LP1,037,800 to 165,700 shares-$293m
- Artisan Partners LP1,227,170 to 394,179 shares-$280m
- Wellington Management Group LLP904,643 to 565,569 shares-$114m
- D. E. Shaw & Co.931,570 to 710,220 shares-$74m
- Neuberger Berman Group LLC474,483 to 322,330 shares-$51m
Left it
- Capital Research Global Investorswas $17m
- PDT Partners LLCwas $1.6m
| Manager | Value over time | First listed | Largest | Q2 2026 |
|---|---|---|---|---|
| Fidelity (FMR LLC) | Q3 2018 | $2.7bn | $1.2bn | |
| T. Rowe Price Associates Inc | Q2 2020 | $3.8bn | $697m | |
| AQR Capital Management LLC | Q2 2025 | $505m | $505m | |
| MFS Investment Management | Q4 2025 | $427m | $427m | |
| Capital World Investors | Q4 2017 | $3.5bn | $342m | |
| D. E. Shaw & Co. | Q1 2019 | $612m | $239m | |
| Wellington Management Group LLP | Q2 2021 | $975m | $190m | |
| Artisan Partners LP | Q4 2023 | $300m | $132m | |
| Neuberger Berman Group LLC | Q3 2020 | $116m | $108m | |
| Baillie Gifford & Co | Q4 2020 | $112m | $90m | |
| Whale Rock Capital Management LLC | Q1 2018 | $597m | $75m | |
| AllianceBernstein LP | Q2 2020 | $208m | $73m | |
| Acadian Asset Management LLC | Q2 2023 | $226m | $60m | |
| ValueAct Holdings LP | Q2 2025 | $590m | $56m | |
| Squarepoint Ops LLC | Q1 2021 | $119m | $48m | |
| Capital Research Global Investors | Q4 2017 | $701m | last listed Q1 2026 | |
| Invesco Ltd | Q3 2021 | $627m | last listed Q4 2025 | |
| Arrowstreet Capital LP | Q1 2019 | $561m | last listed Q1 2026 | |
| Tiger Global Management LLC | Q4 2017 | $442m | last listed Q3 2025 | |
| Point72 Asset Management LP | Q2 2019 | $414m | last listed Q1 2026 | |
| Citadel Advisors LLC | Q1 2021 | $362m | last listed Q4 2025 | |
| Lone Pine Capital LLC | Q4 2020 | $316m | last listed Q1 2021 | |
| Tybourne Capital Management HK Ltd | Q4 2020 | $289m | last listed Q4 2023 | |
| Marshall Wace LLP | Q1 2021 | $281m | last listed Q4 2025 | |
| Renaissance Technologies LLC | Q1 2019 | $181m | last listed Q1 2026 |
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$981m notional
- Element Capital Management LLC · calls$8.4m notional
What MDB 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 MDB →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.
Company names, tickers and logos are the trademarks of their respective owners and appear here to identify the company whose public figures are being used. L3VLUP is not affiliated with, sponsored by or endorsed by any company shown, and nothing here is a statement by or about that company. More
The holdings, every quarter, and the week between
One email a week on what moved in the market and what it means for the people interviewing into it, with the 13F changes the quarter they are filed.
One email a week, free, and you can leave at any point.