Ticker · CUSIP 558868105
Holders (tracked)
21
Combined shares
3,322,248
Combined value
$1.75B
Last close
$524.76
Quarter
2025Q4
Tracked holders · last 8 quarters
+6 vs previous quarter over the last 8.
Price is -0.5% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
25 events
- John Paulson (Paulson & Co) trimmed2026-02-17−200,001 shares · 2025Q413F
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−12,238 shares · 2025Q413F
- D.E. Shaw & Co. trimmed2026-02-17−7,628 shares · 2025Q413F
- AQR Capital Management added2026-02-17+3,420 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) added2026-02-17+5,180 shares · 2025Q413F
- T. Rowe Price trimmed2026-02-17−38,861 shares · 2025Q413F
- Wellington Management added2026-02-17+56,947 shares · 2025Q413F
- −100 shares · 2025Q413F
- +5,285 shares · 2025Q413F
- Steve Cohen (Point72) added2026-02-17+85,202 shares · 2025Q413F
- −8,567 shares · 2025Q413F
- Renaissance Technologies trimmed2026-02-12−36,820 shares · 2025Q413F
- Norges Bank (Norway SWF) opened position2026-02-10+196,393 shares · 2025Q413F
- Steve Cohen (Point72) trimmed2025-11-14−69,644 shares · 2025Q313F
- D.E. Shaw & Co. trimmed2025-11-14−15,799 shares · 2025Q313F
- AQR Capital Management added2025-11-14+3,419 shares · 2025Q313F
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−9,037 shares · 2025Q313F
- T. Rowe Price trimmed2025-11-14−155,944 shares · 2025Q313F
- Wellington Management added2025-11-14+397,076 shares · 2025Q313F
- John Paulson (Paulson & Co) trimmed2025-11-14−182,000 shares · 2025Q313F
- +2,600 shares · 2025Q313F
- Norges Bank (Norway SWF) exited2025-11-13−176,467 shares · 2025Q313F
- +27,785 shares · 2025Q313F
- Renaissance Technologies added2025-11-13+109,846 shares · 2025Q313F
- Norges Bank (Norway SWF) trimmed2025-11-12−46,053 shares · 2024Q313F
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of MDGL…
Cost basis inferred from 13F share-delta history. Sorted by % return on the position they're still holding.
| Investor | First in | Cost basis | Return | Position value today |
|---|---|---|---|---|
| T. Rowe Price | 2018Q1 | $6.29 | +8242.8% | $164.6M |
| John Paulson (Paulson & Co) | 2023Q2 | $237.50 | +121.0% | $896.0M |
| Norges Bank (Norway SWF) | 2018Q3 | $284.83 | +84.2% | $103.1M |
| AQR Capital Management | 2018Q1 | $429.81 | +22.1% | $5.3M |
| Renaissance Technologies | 2016Q3 | $437.58 | +19.9% | $44.0M |
| Ray Dalio (Bridgewater Associates) | 2025Q3 | $458.66 | +14.4% | $10.1M |
| Ron Baron (Baron Capital / BAMCO) | 2025Q3 | $458.66 | +14.4% | $1.3M |
| Wellington Management | 2018Q2 | $468.82 | +11.9% | $242.1M |
| Steve Cohen (Point72) | 2017Q4 | $479.74 | +9.4% | $2.6M |
| Steve Cohen (Point72) | 2017Q4 | $479.74 | +9.4% | $2.6M |
| Steve Cohen (Point72) | 2017Q4 | $479.74 | +9.4% | $2.6M |
| Ken Griffin (Citadel Advisors) | 2016Q3 | $484.49 | +8.3% | $19.0M |
| Ken Griffin (Citadel Advisors) | 2016Q3 | $484.49 | +8.3% | $19.0M |
| Ken Griffin (Citadel Advisors) | 2016Q3 | $484.49 | +8.3% | $19.0M |
| D.E. Shaw & Co. | 2017Q4 | $498.85 | +5.2% | $14.3M |
| D.E. Shaw & Co. | 2017Q4 | $498.85 | +5.2% | $14.3M |
| D.E. Shaw & Co. | 2017Q4 | $498.85 | +5.2% | $14.3M |
| Izzy Englander (Millennium Mgmt) | 2016Q3 | $509.95 | +2.9% | $3.7M |
| Paul Tudor Jones (Tudor Investment) | 2019Q4 | $561.22 | -6.5% | $262K |
| Paul Tudor Jones (Tudor Investment) | 2019Q4 | $561.22 | -6.5% | $262K |
| Paul Tudor Jones (Tudor Investment) | 2019Q4 | $561.22 | -6.5% | $262K |
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions2
- Norges Bank (Norway SWF)+196,393$114.4M
- Paul Tudor Jones (Tudor Investment)+5,285$3.1M
Added to4
- Steve Cohen (Point72)+85,202$49.6M
- Wellington Management+56,947$33.2M
- Izzy Englander (Millennium Mgmt)+5,180$3.0M
- AQR Capital Management+3,420$2.0M
Trimmed7
- John Paulson (Paulson & Co)−200,001$116.5M
- Renaissance Technologies−36,820$21.4M
- Ken Griffin (Citadel Advisors)−12,238$7.1M
- Ray Dalio (Bridgewater Associates)−8,567$5.0M
- D.E. Shaw & Co.−7,628$4.4M
- Ron Baron (Baron Capital / BAMCO)−100$58K
- T. Rowe Price−38,861$23K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 9 | $10.95B |
| 2022Q2 | 10 | $7.93B |
| 2022Q3 | 12 | $7.6M |
| 2022Q4 | 14 | $548.9M |
| 2023Q1 | 16 | $345.7M |
| 2023Q2 | 14 | $423.1M |
| 2023Q3 | 16 | $339.7M |
| 2023Q4 | 10 | $603.5M |
| 2024Q1 | 16 | $950.0M |
| 2024Q2 | 16 | $1.02B |
| 2024Q3 | 13 | $475.3M |
| 2024Q4 | 14 | $806.9M |
| 2025Q1 | 15 | $829.1M |
| 2025Q2 | 16 | $867.6M |
| 2025Q3 | 15 | $1.31B |
| 2025Q4 | 21 | $1.75B |
Who owns MDGL
21 super-investors · 2025Q4
Tracked stake
3.32M
shares
Combined value
$1.75B
% of shares outstanding
—
shares-out unknown
Quarter action mix
New4Added6Trim11
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | John Paulson Paulson & Co | 1.71M | $994M |
| 2 | Wellington Management | 461.4K | $269M |
| 3 | Norges Bank Norway SWF | 196.4K | $114M |
| 4 | Steve Cohen Point72 | 126.4K | $74M |
| 5 | Ken Griffin Citadel Advisors | 104.9K | $61M |
| 6 | D.E. Shaw & Co. | 88.6K | $52M |
| 7 | Renaissance Technologies | 83.9K | $49M |
| 8 | D.E. Shaw & Co. | 77.8K | $45M |
| 9 | Ken Griffin Citadel Advisors | 43.1K | $25M |
| 10 | Ken Griffin Citadel Advisors | 36.1K | $21M |
| 11 | D.E. Shaw & Co. | 27.3K | $16M |
| 12 | Ray Dalio Bridgewater Associates | 19.2K | $11M |
| 13 | AQR Capital Management | 10.0K | $6M |
| 14 | Izzy Englander Millennium Mgmt | 7.0K | $4M |
| 15 | Steve Cohen Point72 | 5.3K | $3M |
| 16 | Paul Tudor Jones Tudor Investment | 5.3K | $3M |
| 17 | Steve Cohen Point72 | 5.0K | $3M |
| 18 | Ron Baron Baron Capital / BAMCO | 2.5K | $1M |
| 19 | Paul Tudor Jones Tudor Investment | 500 | $291K |
| 20 | Paul Tudor Jones Tudor Investment | 400 | $233K |
| 21 | T. Rowe Price | 313.7K | $183K |
Recent moves
20 transactions
- −200,001 · 2025Q4
- +56,947 · 2025Q4
- −100 · 2025Q4
- +3,420 · 2025Q4
- TRIMT. Rowe Price−38,861 · 2025Q4
- TRIMD.E. Shaw & Co.−7,628 · 2025Q4
- −12,238 · 2025Q4
- +85,202 · 2025Q4
- +5,285 · 2025Q4
- +5,180 · 2025Q4
- −8,567 · 2025Q4
- −36,820 · 2025Q4
- +196,393 · 2025Q4
- −69,644 · 2025Q3
- −9,037 · 2025Q3
- TRIMD.E. Shaw & Co.−15,799 · 2025Q3
- TRIMT. Rowe Price−155,944 · 2025Q3
- +397,076 · 2025Q3
- −182,000 · 2025Q3
- +2,600 · 2025Q3
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