Ticker · CUSIP 60937P106
Holders (tracked)
27
Combined shares
13,230,690
Combined value
$4.77B
Last close
$251.14
Quarter
2025Q4
Tracked holders · last 8 quarters
+4 vs previous quarter over the last 8.
27192024Q12025Q4
Price is -30.4% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

30 events
  1. MERRIMAN DWIGHT A
    2026-04-16
    Sold $918.1K @ $252.22
    Insider sell
  2. MERRIMAN DWIGHT A
    2026-04-16
    Sold $91.2K @ $253.40
    Insider sell
  3. MERRIMAN DWIGHT A
    2026-04-14
    Sold $97.0K @ $238.85
    Insider sell
  4. MERRIMAN DWIGHT A
    2026-04-14
    Sold $298.9K @ $237.97
    Insider sell
  5. MERRIMAN DWIGHT A
    2026-04-14
    Sold $1.34M @ $236.68
    Insider sell
  6. MERRIMAN DWIGHT A
    2026-04-14
    Sold $155.4K @ $235.42
    Insider sell
  7. +47,870 shares · 2025Q4
    13F
  8. −75,635 shares · 2025Q4
    13F
  9. −68,500 shares · 2025Q4
    13F
  10. +115,340 shares · 2025Q4
    13F
  11. −17,710 shares · 2025Q4
    13F
  12. −711,400 shares · 2025Q4
    13F
  13. −2,496 shares · 2025Q4
    13F
  14. +169,346 shares · 2025Q4
    13F
  15. −619,513 shares · 2025Q4
    13F
  16. −88,290 shares · 2025Q4
    13F
  17. +52,504 shares · 2025Q4
    13F
  18. +30,000 shares · 2025Q4
    13F
  19. −341,000 shares · 2025Q4
    13F
  20. +160,355 shares · 2025Q4
    13F
  21. +560 shares · 2025Q4
    13F
  22. −7,145 shares · 2025Q4
    13F
  23. −136,932 shares · 2025Q4
    13F
  24. −92,900 shares · 2025Q4
    13F
  25. +1,369,632 shares · 2025Q4
    13F
  26. +267,331 shares · 2025Q4
    13F
  27. −27,088 shares · 2025Q3
    13F
  28. +516,608 shares · 2025Q3
    13F
  29. −532,922 shares · 2025Q3
    13F
  30. −158,114 shares · 2025Q3
    13F

Insider activity

Last 30 days
Net (open-market)
−$2.90M
Buys
0 · $0
Sells
6 · $2.90M
Unique insiders
1
DateInsiderCodeSharesPriceValue
04-16MERRIMAN DWIGHT A
Director
S3,640$252.22$918.1K
04-16MERRIMAN DWIGHT A
Director
S360$253.40$91.2K
04-14MERRIMAN DWIGHT A
Director
S406$238.85$97.0K
04-14MERRIMAN DWIGHT A
Director
S1,256$237.97$298.9K
04-14MERRIMAN DWIGHT A
Director
S5,678$236.68$1.34M
04-14MERRIMAN DWIGHT A
Director
S660$235.42$155.4K
Follow-the-investor returns
If you'd copied each holder of MDB…
Cost basis inferred from 13F share-delta history. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
T. Rowe Price2017Q4$12.07+1980.1%$468.3M
ValueAct Holdings2025Q2$185.29+35.5%$353.3M
AQR Capital Management2019Q2$211.53+18.7%$144.7M
Whale Rock Capital2018Q1$225.28+11.5%$150.7M
Ray Dalio (Bridgewater Associates)2021Q3$268.19-6.4%$141K
Wellington Management2018Q1$271.13-7.4%$55.3M
Ken Griffin (Citadel Advisors)2017Q4$278.09-9.7%$243.5M
Ken Griffin (Citadel Advisors)2017Q4$278.09-9.7%$243.5M
Ken Griffin (Citadel Advisors)2017Q4$278.09-9.7%$243.5M
George Soros (Soros Fund Mgmt)2023Q2$317.46-20.9%$7.1M
Izzy Englander (Millennium Mgmt)2017Q4$343.73-26.9%$41.9M
Izzy Englander (Millennium Mgmt)2017Q4$343.73-26.9%$41.9M
Izzy Englander (Millennium Mgmt)2017Q4$343.73-26.9%$41.9M
Paul Tudor Jones (Tudor Investment)2017Q4$364.44-31.1%$27.4M
Paul Tudor Jones (Tudor Investment)2017Q4$364.44-31.1%$27.4M
Paul Tudor Jones (Tudor Investment)2017Q4$364.44-31.1%$27.4M
Two Sigma Investments2018Q2$411.88-39.0%$1.0M
Two Sigma Investments2018Q2$411.88-39.0%$1.0M
Two Sigma Investments2018Q2$411.88-39.0%$1.0M
Steve Cohen (Point72)2018Q2$412.95-39.2%$26.5M
Steve Cohen (Point72)2018Q2$412.95-39.2%$26.5M
Steve Cohen (Point72)2018Q2$412.95-39.2%$26.5M
Baillie Gifford & Co2020Q4$415.84-39.6%$67.1M
D.E. Shaw & Co.2018Q2$415.96-39.6%$100.1M
D.E. Shaw & Co.2018Q2$415.96-39.6%$100.1M
D.E. Shaw & Co.2018Q2$415.96-39.6%$100.1M
Norges Bank (Norway SWF)2019Q1$5709.24-95.6%$344.0M

Who moved on this name in 2025Q4

13F transactions reported for the latest quarter, grouped by direction.

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
22
$255.48B
2022Q2
21
$142.63B
2022Q3
21
$127.5M
2022Q4
22
$2.47B
2023Q1
22
$2.62B
2023Q2
21
$4.81B
2023Q3
23
$3.47B
2023Q4
16
$3.74B
2024Q1
19
$4.06B
2024Q2
21
$3.54B
2024Q3
21
$2.00B
2024Q4
21
$1.36B
2025Q1
21
$1.49B
2025Q2
24
$2.24B
2025Q3
23
$3.28B
2025Q4
27
$4.77B
Congress members trading this stock
DateMemberTypeAmount rangeFiling
2025-11-18Gilbert CisnerosBuy$1K – $15KPDF ↗
2025-10-17Gilbert CisnerosBuy$1K – $15KPDF ↗
2025-09-12Gilbert CisnerosBuy$1K – $15KPDF ↗

Who owns MDB

27 super-investors · 2025Q4
Tracked stake
13.23M
shares
Combined value
$4.77B
% of shares outstanding
shares-out unknown
Quarter action mix
New6Added11Trim10
#ManagerSharesValue
1D.E. Shaw & Co.1.46M$612M
2ValueAct Holdings1.41M$590M
3Norges Bank
Norway SWF
1.37M$575M
4Ken Griffin
Citadel Advisors
1.13M$475M
5Ken Griffin
Citadel Advisors
969.7K$407M
6Ken Griffin
Citadel Advisors
861.7K$362M
7Steve Cohen
Point72
713.0K$299M
8Whale Rock Capital600.0K$252M
9AQR Capital Management576.2K$242M
10D.E. Shaw & Co.398.4K$167M
11Izzy Englander
Millennium Mgmt
337.0K$141M
12Baillie Gifford & Co267.3K$112M
13Two Sigma Investments247.8K$104M
14Wellington Management220.3K$92M
15Izzy Englander
Millennium Mgmt
166.8K$70M
16Steve Cohen
Point72
136.3K$57M
17Paul Tudor Jones
Tudor Investment
109.2K$46M
18Steve Cohen
Point72
105.7K$44M
19Izzy Englander
Millennium Mgmt
101.4K$43M
20D.E. Shaw & Co.91.2K$38M
21Paul Tudor Jones
Tudor Investment
30.0K$13M
22George Soros
Soros Fund Mgmt
28.4K$12M
23Paul Tudor Jones
Tudor Investment
27.5K$12M
24Two Sigma Investments8.0K$3M
25Two Sigma Investments4.0K$2M
26T. Rowe Price1.86M$783K
27Ray Dalio
Bridgewater Associates
560$235K

Recent moves

20 transactions
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