Ticker · CUSIP 56600D107
Holders (tracked)
11
Combined shares
14,882,721
Combined value
$47.99M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
SEC event timeline
15 events
- Ken Griffin (Citadel Advisors) added2026-02-17+528,600 shares · 2025Q413F
- Two Sigma Investments trimmed2026-02-17−326,840 shares · 2025Q413F
- Steve Cohen (Point72) added2026-02-17+2,815,057 shares · 2025Q413F
- Wellington Management opened position2026-02-17+2,360,059 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) added2026-02-17+1,357,349 shares · 2025Q413F
- AQR Capital Management added2026-02-17+49,551 shares · 2025Q413F
- Renaissance Technologies trimmed2026-02-12−93,000 shares · 2025Q413F
- First Eagle Investment Management added2026-02-04+1,348,405 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) added2025-11-14+191,616 shares · 2025Q313F
- Steve Cohen (Point72) opened position2025-11-14+32,742 shares · 2025Q313F
- Two Sigma Investments trimmed2025-11-14−160,513 shares · 2025Q313F
- T. Rowe Price added2025-11-14+27,000 shares · 2025Q313F
- AQR Capital Management added2025-11-14+1,740 shares · 2025Q313F
- Renaissance Technologies added2025-11-13+131,900 shares · 2025Q313F
- +450,931 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 positions1
- Wellington Management+2,360,059$7.7M
Added to5
- Steve Cohen (Point72)+2,815,057$9.1M
- Izzy Englander (Millennium Mgmt)+1,357,349$4.4M
- First Eagle Investment Management+1,348,405$4.4M
- Ken Griffin (Citadel Advisors)+528,600$1.7M
- AQR Capital Management+49,551$161K
Trimmed2
- Two Sigma Investments−326,840$1.1M
- Renaissance Technologies−93,000$302K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 13 | $33.27B |
| 2022Q2 | 13 | $29.53B |
| 2022Q3 | 14 | $35.5M |
| 2022Q4 | 14 | $190.1M |
| 2023Q1 | 14 | $172.5M |
| 2023Q2 | 15 | $146.3M |
| 2023Q3 | 13 | $161.0M |
| 2023Q4 | 13 | $131.2M |
| 2024Q1 | 13 | $164.2M |
| 2024Q2 | 12 | $194.1M |
| 2024Q3 | 10 | $102.8M |
| 2024Q4 | 9 | $45.5M |
| 2025Q1 | 8 | $17.8M |
| 2025Q2 | 8 | $15.8M |
| 2025Q3 | 10 | $19.3M |
| 2025Q4 | 11 | $48.0M |
Who owns MRVI
11 super-investors · 2025Q4
Tracked stake
14.88M
shares
Combined value
$48M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Added7Trim2Held1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Renaissance Technologies | 4.23M | $14M |
| 2 | Steve Cohen Point72 | 2.85M | $9M |
| 3 | Wellington Management | 2.36M | $8M |
| 4 | First Eagle Investment Management | 1.80M | $6M |
| 5 | Izzy Englander Millennium Mgmt | 1.80M | $6M |
| 6 | Two Sigma Investments | 845.4K | $3M |
| 7 | Ken Griffin Citadel Advisors | 617.5K | $2M |
| 8 | Ken Griffin Citadel Advisors | 150.7K | $490K |
| 9 | AQR Capital Management | 111.1K | $361K |
| 10 | Ken Griffin Citadel Advisors | 12.7K | $41K |
| 11 | T. Rowe Price | 116.0K | $377 |
Recent moves
20 transactions
- +2,815,057 · 2025Q4
- +1,357,349 · 2025Q4
- +49,551 · 2025Q4
- +2,360,059 · 2025Q4
- +528,600 · 2025Q4
- −326,840 · 2025Q4
- −93,000 · 2025Q4
- +1,348,405 · 2025Q4
- +1,740 · 2025Q3
- +191,616 · 2025Q3
- +32,742 · 2025Q3
- −160,513 · 2025Q3
- +27,000 · 2025Q3
- +131,900 · 2025Q3
- +450,931 · 2025Q3
- +6,170 · 2025Q2
- −101,710 · 2025Q2
- −1,128,634 · 2025Q2
- +44,313 · 2025Q2
- +75,500 · 2025Q2
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