Ticker · CUSIP 61559X104
Holders (tracked)
12
Combined shares
8,378,317
Combined value
$110.43M
Last close
$18.34
Quarter
2025Q4
Price · 1Y$18.34-19.99 (-52.15%)H $61.99 · L $6.24 · Avg Vol 2.1M
Insider sellPosition opened
Tracked holders · last 8 quarters
+3 vs previous quarter over the last 8.
Price is +39.2% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
20 events
- Bodenstedt Matthias · Chief Financial Officer2026-04-14Sold $47.5K @ $19.56Insider sell
- Santos da Silva Jorge · Chief Executive Officer2026-04-13Sold $945.6K @ $18.23Insider sell
- Santos da Silva Jorge · Chief Executive Officer2026-04-10Sold $1.81M @ $18.41Insider sell
- Bodenstedt Matthias · Chief Financial Officer2026-04-10Sold $37.6K @ $19.51Insider sell
- Bodenstedt Matthias · Chief Financial Officer2026-04-09Sold $1.63M @ $18.94Insider sell
- Ken Griffin (Citadel Advisors) added2026-02-17+331,556 shares · 2025Q4Position
- D.E. Shaw & Co. opened position2026-02-17+2,480,767 shares · 2025Q4Position
- Two Sigma Investments added2026-02-17+330,543 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) added2026-02-17+713,550 shares · 2025Q4Position
- Steve Cohen (Point72) added2026-02-17+762,700 shares · 2025Q4Position
- T. Rowe Price added2026-02-17+136,596 shares · 2025Q4Position
- +103,516 shares · 2025Q4Position
- AQR Capital Management opened position2026-02-17+32,886 shares · 2025Q4Position
- Renaissance Technologies opened position2026-02-12+134,472 shares · 2025Q4Position
- −31,714 shares · 2025Q3Position
- Two Sigma Investments opened position2025-11-14+454,268 shares · 2025Q3Position
- T. Rowe Price trimmed2025-11-14−1,790,276 shares · 2025Q3Position
- Wellington Management exited2025-11-14−21,390 shares · 2025Q3Position
- Steve Cohen (Point72) trimmed2025-11-14−176,768 shares · 2025Q3Position
- +89,172 shares · 2025Q3Position
Insider activity
Last 30 days
Net (open-market)
−$4.46M
Buys
0 · $0
Sells
5 · $4.46M
Unique insiders
2
| Date | Insider | Code | Shares | Price | Value |
|---|---|---|---|---|---|
| 04-14 | Bodenstedt Matthias Chief Financial Officer · Officer | S | 2,426 | $19.56 | $47.5K |
| 04-13 | Santos da Silva Jorge Chief Executive Officer · Officer, Director | S | 51,873 | $18.23 | $945.6K |
| 04-10 | Bodenstedt Matthias Chief Financial Officer · Officer | S | 1,925 | $19.51 | $37.6K |
| 04-10 | Santos da Silva Jorge Chief Executive Officer · Officer, Director | S | 98,127 | $18.41 | $1.81M |
| 04-09 | Bodenstedt Matthias Chief Financial Officer · Officer | S | 85,870 | $18.94 | $1.63M |
Follow-the-investor returns
If you'd copied each holder of MLTX…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
| Investor | First in | Cost basis | Return | Position value today |
|---|---|---|---|---|
| Two Sigma Investments | 2022Q4 | $11.01 | +66.6% | $14.4M |
| Ken Griffin (Citadel Advisors) | 2022Q2 | $12.76 | +43.7% | $27.4M |
| Ken Griffin (Citadel Advisors) | 2022Q2 | $12.76 | +43.7% | $27.4M |
| Ken Griffin (Citadel Advisors) | 2022Q2 | $12.76 | +43.7% | $27.4M |
| Izzy Englander (Millennium Mgmt) | 2022Q2 | $12.91 | +42.0% | $14.7M |
| D.E. Shaw & Co. | 2025Q3 | $12.96 | +41.6% | $45.5M |
| Renaissance Technologies | 2022Q4 | $13.44 | +36.4% | $2.5M |
| Steve Cohen (Point72) | 2022Q3 | $13.57 | +35.2% | $14.2M |
| Paul Tudor Jones (Tudor Investment) | 2023Q2 | $17.92 | +2.3% | $1.9M |
| Paul Tudor Jones (Tudor Investment) | 2023Q2 | $17.92 | +2.3% | $1.9M |
| AQR Capital Management | 2023Q4 | $21.59 | -15.1% | $603K |
| T. Rowe Price | 2022Q2 | $36.77 | -50.1% | $17.6M |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions4
- D.E. Shaw & Co.+2,480,767$32.7M
- Renaissance Technologies+134,472$1.8M
- Paul Tudor Jones (Tudor Investment)+103,516$1.4M
- AQR Capital Management+32,886$433K
Added to5
- Steve Cohen (Point72)+762,700$10.1M
- Izzy Englander (Millennium Mgmt)+713,550$9.4M
- Ken Griffin (Citadel Advisors)+331,556$4.4M
- Two Sigma Investments+330,543$4.4M
- T. Rowe Price+136,596$2K
Trimmed0
—
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q2 | 4 | $22.4M |
| 2022Q3 | 4 | $36.7M |
| 2022Q4 | 5 | $47.0M |
| 2023Q1 | 6 | $84.6M |
| 2023Q2 | 7 | $268.1M |
| 2023Q3 | 10 | $289.4M |
| 2023Q4 | 12 | $305.6M |
| 2024Q1 | 11 | $268.3M |
| 2024Q2 | 8 | $258.0M |
| 2024Q3 | 7 | $282.5M |
| 2024Q4 | 6 | $306.9M |
| 2025Q1 | 8 | $192.0M |
| 2025Q2 | 7 | $215.8M |
| 2025Q3 | 9 | $14.5M |
| 2025Q4 | 12 | $110.4M |
Who owns MLTX
12 super-investors · 2025Q4
Tracked stake
8.38M
shares
Combined value
$110M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New5Added7
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | D.E. Shaw & Co. | 2.48M | $33M |
| 2 | Ken Griffin Citadel Advisors | 1.49M | $20M |
| 3 | T. Rowe Price | 959.6K | $13M |
| 4 | Izzy Englander Millennium Mgmt | 802.7K | $11M |
| 5 | Two Sigma Investments | 784.8K | $10M |
| 6 | Steve Cohen Point72 | 772.5K | $10M |
| 7 | Ken Griffin Citadel Advisors | 421.6K | $6M |
| 8 | Ken Griffin Citadel Advisors | 380.9K | $5M |
| 9 | Renaissance Technologies | 134.5K | $2M |
| 10 | Paul Tudor Jones Tudor Investment | 103.5K | $1M |
| 11 | AQR Capital Management | 32.9K | $433K |
| 12 | Paul Tudor Jones Tudor Investment | 11.8K | $156K |
Recent moves
20 transactions
- +330,543 · 2025Q4
- +762,700 · 2025Q4
- +136,596 · 2025Q4
- +713,550 · 2025Q4
- +2,480,767 · 2025Q4
- +331,556 · 2025Q4
- +32,886 · 2025Q4
- +103,516 · 2025Q4
- +134,472 · 2025Q4
- −31,714 · 2025Q3
- TRIMT. Rowe Price−1,790,276 · 2025Q3
- −21,390 · 2025Q3
- −176,768 · 2025Q3
- +454,268 · 2025Q3
- +89,172 · 2025Q3
- −35,638 · 2025Q2
- −344,320 · 2025Q2
- +186,568 · 2025Q2
- TRIMT. Rowe Price−360,597 · 2025Q2
- −10,773 · 2025Q2
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