Ticker · CUSIP 59064R109
Holders (tracked)
10
Combined shares
277,203
Combined value
$21.51M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
+2 vs previous quarter over the last 8.
SEC event timeline
19 events
- Ken Griffin (Citadel Advisors) added2026-02-17+24,343 shares · 2025Q413F
- D.E. Shaw & Co. added2026-02-17+43,754 shares · 2025Q413F
- Two Sigma Investments added2026-02-17+2,612 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−129,352 shares · 2025Q413F
- Steve Cohen (Point72) opened position2026-02-17+13,458 shares · 2025Q413F
- T. Rowe Price trimmed2026-02-17−972 shares · 2025Q413F
- +27,426 shares · 2025Q413F
- AQR Capital Management added2026-02-17+37,499 shares · 2025Q413F
- Renaissance Technologies trimmed2026-02-12−7,400 shares · 2025Q413F
- Mario Gabelli (GAMCO) trimmed2026-02-05−458 shares · 2025Q413F
- −4,202 shares · 2025Q313F
- Two Sigma Investments opened position2025-11-14+9,623 shares · 2025Q313F
- T. Rowe Price added2025-11-14+283 shares · 2025Q313F
- Wellington Management exited2025-11-14−22,471 shares · 2025Q313F
- D.E. Shaw & Co. added2025-11-14+24,146 shares · 2025Q313F
- AQR Capital Management added2025-11-14+24,912 shares · 2025Q313F
- Izzy Englander (Millennium Mgmt) added2025-11-14+76,107 shares · 2025Q313F
- Renaissance Technologies trimmed2025-11-13−57,127 shares · 2025Q313F
- Mario Gabelli (GAMCO) added2025-11-12+4,282 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 positions2
- Paul Tudor Jones (Tudor Investment)+27,426$2.2M
- Steve Cohen (Point72)+13,458$1.1M
Added to4
- D.E. Shaw & Co.+43,754$3.4M
- AQR Capital Management+37,499$2.9M
- Ken Griffin (Citadel Advisors)+24,343$1.9M
- Two Sigma Investments+2,612$205K
Trimmed4
- Izzy Englander (Millennium Mgmt)−129,352$10.2M
- Renaissance Technologies−7,400$581K
- Mario Gabelli (GAMCO)−458$36K
- T. Rowe Price−972$76
Exited0
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Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 6 | $247.8M |
| 2022Q2 | 6 | $189.4M |
| 2022Q3 | 8 | $133K |
| 2022Q4 | 8 | $168.4M |
| 2023Q1 | 8 | $156.5M |
| 2023Q2 | 10 | $113.7M |
| 2023Q3 | 8 | $90.3M |
| 2023Q4 | 5 | $93.3M |
| 2024Q1 | 7 | $99.8M |
| 2024Q2 | 6 | $74.3M |
| 2024Q3 | 5 | $5.0M |
| 2024Q4 | 5 | $4.0M |
| 2025Q1 | 4 | $2.7M |
| 2025Q2 | 9 | $18.8M |
| 2025Q3 | 8 | $17.6M |
| 2025Q4 | 10 | $21.5M |
Who owns MLAB
10 super-investors · 2025Q4
Tracked stake
277.2K
shares
Combined value
$22M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New2Added4Trim4
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | D.E. Shaw & Co. | 76.6K | $6M |
| 2 | AQR Capital Management | 70.1K | $6M |
| 3 | Ken Griffin Citadel Advisors | 58.5K | $5M |
| 4 | Paul Tudor Jones Tudor Investment | 27.4K | $2M |
| 5 | Steve Cohen Point72 | 13.5K | $1M |
| 6 | Two Sigma Investments | 12.2K | $960K |
| 7 | Mario Gabelli GAMCO | 7.8K | $609K |
| 8 | Izzy Englander Millennium Mgmt | 4.5K | $351K |
| 9 | Renaissance Technologies | 3.5K | $275K |
| 10 | T. Rowe Price | 3.1K | $247 |
Recent moves
20 transactions
- +37,499 · 2025Q4
- +24,343 · 2025Q4
- +13,458 · 2025Q4
- +43,754 · 2025Q4
- −129,352 · 2025Q4
- +2,612 · 2025Q4
- TRIMT. Rowe Price−972 · 2025Q4
- +27,426 · 2025Q4
- −7,400 · 2025Q4
- −458 · 2025Q4
- −4,202 · 2025Q3
- +24,146 · 2025Q3
- −22,471 · 2025Q3
- +9,623 · 2025Q3
- +76,107 · 2025Q3
- +283 · 2025Q3
- +24,912 · 2025Q3
- −57,127 · 2025Q3
- +4,282 · 2025Q3
- +57,710 · 2025Q2
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