Ticker · CUSIP 58463J304
Holders (tracked)
15
Combined shares
30,579,332
Combined value
$150.81M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
+4 vs previous quarter over the last 8.
SEC event timeline
16 events
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−345,860 shares · 2025Q413F
- D.E. Shaw & Co. opened position2026-02-17+52,588 shares · 2025Q413F
- Philippe Laffont (Coatue) trimmed2026-02-17−4,525,398 shares · 2025Q413F
- Two Sigma Investments added2026-02-17+1,746,561 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−1,473,711 shares · 2025Q413F
- T. Rowe Price trimmed2026-02-17−4,059 shares · 2025Q413F
- AQR Capital Management added2026-02-17+4,243,904 shares · 2025Q413F
- +1,805,030 shares · 2025Q413F
- Norges Bank (Norway SWF) opened position2026-02-10+10,447 shares · 2025Q413F
- +10,402 shares · 2025Q413F
- −2,363,904 shares · 2025Q313F
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−472,817 shares · 2025Q313F
- Two Sigma Investments added2025-11-14+1,880,422 shares · 2025Q313F
- T. Rowe Price added2025-11-14+26,729 shares · 2025Q313F
- AQR Capital Management added2025-11-14+7,296,680 shares · 2025Q313F
- Norges Bank (Norway SWF) exited2025-11-13−10,447 shares · 2025Q313F
Insider activity
No insider transactions in the last 30 days.
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions4
- Paul Tudor Jones (Tudor Investment)+1,805,030$9.0M
- D.E. Shaw & Co.+52,588$263K
- Norges Bank (Norway SWF)+10,447$52K
- Ken Fisher (Fisher Asset Mgmt)+10,402$52K
Added to2
- AQR Capital Management+4,243,904$21.2M
- Two Sigma Investments+1,746,561$8.7M
Trimmed4
- Philippe Laffont (Coatue)−4,525,398$22.6M
- Izzy Englander (Millennium Mgmt)−1,473,711$7.4M
- Ken Griffin (Citadel Advisors)−345,860$1.7M
- T. Rowe Price−4,059$20
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 11 | $121.39B |
| 2022Q2 | 11 | $63.09B |
| 2022Q3 | 15 | $42.7M |
| 2022Q4 | 13 | $1.00B |
| 2023Q1 | 14 | $780.0M |
| 2023Q2 | 14 | $801.3M |
| 2023Q3 | 13 | $522.4M |
| 2023Q4 | 9 | $489.1M |
| 2024Q1 | 11 | $514.7M |
| 2024Q2 | 13 | $448.4M |
| 2024Q3 | 14 | $92.9M |
| 2024Q4 | 12 | $32.5M |
| 2025Q1 | 11 | $95.7M |
| 2025Q2 | 13 | $108.0M |
| 2025Q3 | 11 | $150.3M |
| 2025Q4 | 15 | $150.8M |
Who owns MPT
15 super-investors · 2025Q4
Tracked stake
30.58M
shares
Combined value
$151M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New5Added2Trim8
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | AQR Capital Management | 13.42M | $67M |
| 2 | Philippe Laffont Coatue | 4.53M | $23M |
| 3 | Two Sigma Investments | 3.87M | $19M |
| 4 | Izzy Englander Millennium Mgmt | 2.45M | $12M |
| 5 | Ken Griffin Citadel Advisors | 2.04M | $10M |
| 6 | Paul Tudor Jones Tudor Investment | 1.81M | $9M |
| 7 | Ken Griffin Citadel Advisors | 1.24M | $6M |
| 8 | D.E. Shaw & Co. | 372.4K | $2M |
| 9 | Ken Griffin Citadel Advisors | 202.6K | $1M |
| 10 | Izzy Englander Millennium Mgmt | 157.9K | $790K |
| 11 | D.E. Shaw & Co. | 52.6K | $263K |
| 12 | Izzy Englander Millennium Mgmt | 19.3K | $97K |
| 13 | Norges Bank Norway SWF | 10.4K | $52K |
| 14 | Ken Fisher Fisher Asset Mgmt | 10.4K | $52K |
| 15 | T. Rowe Price | 416.9K | $2K |
Recent moves
20 transactions
- +1,746,561 · 2025Q4
- −345,860 · 2025Q4
- TRIMT. Rowe Price−4,059 · 2025Q4
- +4,243,904 · 2025Q4
- −1,473,711 · 2025Q4
- +52,588 · 2025Q4
- −4,525,398 · 2025Q4
- +1,805,030 · 2025Q4
- +10,447 · 2025Q4
- +10,402 · 2025Q4
- −2,363,904 · 2025Q3
- +1,880,422 · 2025Q3
- −472,817 · 2025Q3
- +26,729 · 2025Q3
- +7,296,680 · 2025Q3
- −10,447 · 2025Q3
- −323,900 · 2025Q2
- TRIMT. Rowe Price−26,339 · 2025Q2
- +1,875,406 · 2025Q2
- +5,731,911 · 2025Q2
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