Ticker · CUSIP 513847103
Holders (tracked)
12
Combined shares
1,429,006
Combined value
$231.50M
Last close
$136.80
Quarter
2025Q4
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
Price is -15.6% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
23 events
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−1,167 shares · 2025Q413F
- Jeremy Grantham (GMO) trimmed2026-02-17−119,489 shares · 2025Q413F
- AQR Capital Management added2026-02-17+278,947 shares · 2025Q413F
- Two Sigma Investments trimmed2026-02-17−45,236 shares · 2025Q413F
- D.E. Shaw & Co. added2026-02-17+30,768 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) added2026-02-17+119,141 shares · 2025Q413F
- Steve Cohen (Point72) added2026-02-17+64,177 shares · 2025Q413F
- T. Rowe Price added2026-02-17+2,140 shares · 2025Q413F
- Wellington Management exited2026-02-17−72,224 shares · 2025Q413F
- +1,303 shares · 2025Q413F
- Ray Dalio (Bridgewater Associates) added2026-02-13+3,364 shares · 2025Q413F
- +9,383 shares · 2025Q413F
- Renaissance Technologies trimmed2026-02-12−26,600 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−146,848 shares · 2025Q313F
- Steve Cohen (Point72) opened position2025-11-14+24,856 shares · 2025Q313F
- Two Sigma Investments added2025-11-14+41,859 shares · 2025Q313F
- D.E. Shaw & Co. trimmed2025-11-14−2,384 shares · 2025Q313F
- AQR Capital Management added2025-11-14+28,191 shares · 2025Q313F
- T. Rowe Price added2025-11-14+994 shares · 2025Q313F
- Wellington Management added2025-11-14+6,230 shares · 2025Q313F
- Renaissance Technologies trimmed2025-11-13−10,200 shares · 2025Q313F
- +3,409 shares · 2025Q313F
- Jeremy Grantham (GMO) added2025-11-13+2,722 shares · 2025Q313F
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of MZTI…
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 | 2016Q1 | $58.33 | +134.5% | $2.7M |
| Renaissance Technologies | 2016Q1 | $135.50 | +1.0% | $48.8M |
| Paul Tudor Jones (Tudor Investment) | 2016Q1 | $151.16 | -9.5% | $178K |
| AQR Capital Management | 2016Q1 | $167.07 | -18.1% | $52.0M |
| Lee Ainslie (Maverick Capital) | 2019Q2 | $167.84 | -18.5% | $1.3M |
| Steve Cohen (Point72) | 2023Q1 | $167.95 | -18.5% | $12.2M |
| Ray Dalio (Bridgewater Associates) | 2020Q1 | $168.11 | -18.6% | $927K |
| Izzy Englander (Millennium Mgmt) | 2016Q1 | $168.70 | -18.9% | $32.8M |
| D.E. Shaw & Co. | 2016Q1 | $168.77 | -18.9% | $7.3M |
| Jeremy Grantham (GMO) | 2022Q3 | $170.78 | -19.9% | $23.6M |
| Two Sigma Investments | 2016Q2 | $172.87 | -20.9% | $11.0M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $172.97 | -20.9% | $2.9M |
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions2
- Lee Ainslie (Maverick Capital)+9,383$1.5M
- Paul Tudor Jones (Tudor Investment)+1,303$214K
Added to6
- AQR Capital Management+278,947$45.7M
- Izzy Englander (Millennium Mgmt)+119,141$19.6M
- Steve Cohen (Point72)+64,177$10.6M
- D.E. Shaw & Co.+30,768$5.1M
- Ray Dalio (Bridgewater Associates)+3,364$553K
- T. Rowe Price+2,140$352
Trimmed4
- Jeremy Grantham (GMO)−119,489$19.6M
- Two Sigma Investments−45,236$7.4M
- Renaissance Technologies−26,600$4.4M
- Ken Griffin (Citadel Advisors)−1,167$192K
Exited1
- Wellington Management−72,224$12.5M
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 13 | $13.52B |
| 2022Q2 | 12 | $9.91B |
| 2022Q3 | 14 | $5.4M |
| 2022Q4 | 17 | $575.3M |
| 2023Q1 | 17 | $651.8M |
| 2023Q2 | 14 | $603.1M |
| 2023Q3 | 13 | $447.0M |
| 2023Q4 | 13 | $475.2M |
| 2024Q1 | 12 | $617.2M |
| 2024Q2 | 14 | $618.3M |
| 2024Q3 | 11 | $154.6M |
| 2024Q4 | 12 | $163.2M |
| 2025Q1 | 13 | $161.5M |
| 2025Q2 | 10 | $220.2M |
| 2025Q3 | 11 | $201.6M |
| 2025Q4 | 12 | $231.5M |
Who owns MZTI
12 super-investors · 2025Q4
Tracked stake
1.43M
shares
Combined value
$231M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New2Added6Trim4
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | AQR Capital Management | 379.8K | $62M |
| 2 | Renaissance Technologies | 356.4K | $59M |
| 3 | Izzy Englander Millennium Mgmt | 239.6K | $39M |
| 4 | Jeremy Grantham GMO | 172.3K | $28M |
| 5 | Steve Cohen Point72 | 89.0K | $15M |
| 6 | Two Sigma Investments | 80.2K | $13M |
| 7 | D.E. Shaw & Co. | 53.4K | $9M |
| 8 | Ken Griffin Citadel Advisors | 21.0K | $3M |
| 9 | Lee Ainslie Maverick Capital | 9.4K | $2M |
| 10 | Ray Dalio Bridgewater Associates | 6.8K | $1M |
| 11 | Paul Tudor Jones Tudor Investment | 1.3K | $214K |
| 12 | T. Rowe Price | 19.8K | $3K |
Recent moves
20 transactions
- −119,489 · 2025Q4
- +119,141 · 2025Q4
- +2,140 · 2025Q4
- −45,236 · 2025Q4
- +278,947 · 2025Q4
- +64,177 · 2025Q4
- −72,224 · 2025Q4
- +1,303 · 2025Q4
- −1,167 · 2025Q4
- +30,768 · 2025Q4
- +3,364 · 2025Q4
- +9,383 · 2025Q4
- −26,600 · 2025Q4
- +24,856 · 2025Q3
- −146,848 · 2025Q3
- +41,859 · 2025Q3
- TRIMD.E. Shaw & Co.−2,384 · 2025Q3
- +994 · 2025Q3
- +6,230 · 2025Q3
- +28,191 · 2025Q3
Embed this chart
Paste this iframe anywhere to embed the live MZTI chart.
<iframe src="https://openstocks.me/embed/stock/MZTI" width="100%" height="480" frameborder="0" loading="lazy" title="MZTI chart by OpenStocks" style="border:0;border-radius:12px;background:transparent"></iframe>