Ticker · CUSIP 56854Q200
Holders (tracked)
6
Combined shares
827,193
Combined value
$419.0K
Last close
—
Quarter
2024Q4
Tracked holders · last 8 quarters
-2 vs previous quarter over the last 8.
SEC event timeline
No SEC events recorded for this ticker yet.
Insider activity
No insider transactions in the last 30 days.
Who moved on this name in 2024Q4
Position changes reported for the latest quarter, grouped by direction.
New positions0
—
Added to0
—
Trimmed2
- Izzy Englander (Millennium Mgmt)−243,093$130K
- Two Sigma Investments−24,797$13K
Exited2
- Renaissance Technologies−501,931$883K
- D.E. Shaw & Co.−178,801$315K
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2021Q1 | 7 | $49.5M |
| 2021Q2 | 6 | $74.3M |
| 2021Q3 | 1 | $34.1M |
| 2021Q4 | 4 | $5.8M |
| 2022Q1 | 8 | $27.5M |
| 2022Q2 | 9 | $9.3M |
| 2022Q3 | 7 | $11K |
| 2022Q4 | 8 | $20.0M |
| 2023Q1 | 9 | $31.9M |
| 2023Q2 | 11 | $69.0M |
| 2023Q3 | 9 | $48.1M |
| 2023Q4 | 9 | $64.1M |
| 2024Q1 | 10 | $63.9M |
| 2024Q2 | 8 | $3.9M |
| 2024Q3 | 8 | $2.6M |
| 2024Q4 | 6 | $419K |
Who owns MRNS*
6 super-investors · 2024Q4
Tracked stake
827.2K
shares
Combined value
$419K
% of shares outstanding
—
shares-out unknown
Quarter action mix
Trim2Held4
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Ken Griffin Citadel Advisors | 501.9K | $269K |
| 2 | Izzy Englander Millennium Mgmt | 239.4K | $128K |
| 3 | Two Sigma Investments | 22.9K | $12K |
| 4 | Ken Griffin Citadel Advisors | 16.9K | $9K |
| 5 | Ken Griffin Citadel Advisors | 1.9K | $1K |
| 6 | T. Rowe Price | 44.2K | $24 |
Recent moves
20 transactions
- −239,414 · 2025Q1
- −22,868 · 2025Q1
- SOLDT. Rowe Price−44,200 · 2025Q1
- −24,797 · 2024Q4
- SOLDD.E. Shaw & Co.−178,801 · 2024Q4
- −243,093 · 2024Q4
- −501,931 · 2024Q4
- SOLDD.E. Shaw & Co.−11,400 · 2023Q4
- −31,333 · 2024Q3
- +47,665 · 2024Q3
- +178,801 · 2024Q3
- −236,073 · 2024Q3
- −119,694 · 2024Q3
- −491,617 · 2024Q2
- −42,834 · 2024Q2
- −294,981 · 2024Q2
- +718,580 · 2024Q2
- +13,271 · 2024Q2
- +12,934 · 2024Q2
- TRIMBlackRock−2,850,612 · 2024Q2
Embed this chart
Paste this iframe anywhere to embed the live MRNS* chart.
<iframe src="https://openstocks.me/embed/stock/MRNS*" width="100%" height="480" frameborder="0" loading="lazy" title="MRNS* chart by OpenStocks" style="border:0;border-radius:12px;background:transparent"></iframe>