Maravai LifeSciences Holdings, Inc.
Maravai LifeSciences Holdings, Inc. (MRVI) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · MRVI · as of Sep 30, 2025
Ownership Breakdown
164
Institutional Holders
▲ 11 vs Q2
$375.22M
Total Inst. Value
▲ $62.67M vs Q2
145.10M
Shares Outstanding
freeFloat 70.55%
130.75M
13F Shares Held
▲ 1.07M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
MRVI largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
GTCR LLC pharmaceutical preparations | 20.15M | 13.97% | 13.97% | $57.83B | Nov 13, 2025 | — held |
12 WEST CAPITAL MANAGEMENT LP pharmaceutical preparations | 12.52M | 8.68% | 8.68% | $35.94B | Nov 14, 2025 | — held |
BLACKROCK, INC. pharmaceutical preparations | 9.10M | 6.31% | 6.31% | $26.13B | Nov 12, 2025 | ▼ 590.2K |
BRAIDWELL LP pharmaceutical preparations | 8.35M | 5.79% | 5.79% | $23.97B | Nov 14, 2025 | — held |
VANGUARD GROUP INC pharmaceutical preparations | 7.13M | 4.94% | 4.94% | $20.45B | Nov 7, 2025 | ▼ 2.26M |
T. ROWE PRICE INVESTMENT MANAGEMENT, INC. pharmaceutical preparations | 6.16M | 4.27% | 4.27% | $17.68B | Nov 14, 2025 | ▲ 3.51M |
MACKENZIE FINANCIAL CORP pharmaceutical preparations | 6.07M | 4.21% | 4.21% | $17.42B | Nov 13, 2025 | — held |
RENAISSANCE TECHNOLOGIES LLC pharmaceutical preparations | 4.32M | 2.99% | 2.99% | $12.39B | Nov 13, 2025 | ▲ 131.9K |
MIRABELLA FINANCIAL SERVICES LLP pharmaceutical preparations | 3.75M | 2.60% | 2.60% | $10.76B | Dec 15, 2025 | — held |
MONACO ASSET MANAGEMENT SAM pharmaceutical preparations | 3.66M | 2.54% | 2.54% | $10.49B | Nov 10, 2025 | ▲ 2.78M |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
22
Increased
+10.48M shares1
New Positions
first time holders18
Decreased
−7.20M shares0
Sold Out
fully exitedNet shares change (top 50)
+3.29M
+10.48M / −7.20M
Net new holders
+5
1 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
MRVI insider trading · insider activity
Source: SEC Form 4
Insiders have been net buyers of shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
10
Buy transactions
0
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
LUCIER GREGORY T director | May 26, 2026 | Award | 46,293 | — | — | 201.4K | Form 4 ↗ |
MARKER LUKE JOSEPH director | May 26, 2026 | Award | 46,293 | — | — | 184.3K | Form 4 ↗ |
GRAY SUSANNAH director | May 26, 2026 | Award | 46,293 | — | — | 216.2K | Form 4 ↗ |
MIHAS CONSTANTINE S director | May 26, 2026 | Award | 46,293 | — | — | 184.3K | Form 4 ↗ |
ECKERT R ANDREW director | May 26, 2026 | Award | 46,293 | — | — | 412.2K | Form 4 ↗ |
LUCIER GREGORY T director | May 26, 2026 | Award | 46,293 | $4.38 | $202.8K | 201.4K | Form 4 ↗ |
CUNNINGHAM SEAN LAURENCE director | May 26, 2026 | Award | 46,293 | — | — | 184.3K | Form 4 ↗ |
DeFord John A director | May 26, 2026 | Award | 46,293 | — | — | 205.5K | Form 4 ↗ |
Dolan Christine See Remarks | May 15, 2026 | Award | 5,006 | $1.79 | $9.0K | 425.3K | Form 4 ↗ |
ORESHACK KURT General Counsel | May 15, 2026 | Award | 776 | $2.84 | $2.2K | 385.8K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Maravai LifeSciences Holdings, Inc. (MRVI) is primarily owned by institutional investors, who hold approximately 90.1% of total shares outstanding. Company insiders own approximately 29.45%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of Maravai LifeSciences Holdings, Inc. is GTCR LLC, holding approximately 20.15 million shares — equal to 13.97% of outstanding shares — as of September 30, 2025.
A total of 164 institutional investors currently hold MRVI stock, with a combined institutional value of approximately $375,220,615 as of the most recent 13F filing period.
Frequently asked questions
MRVI ownershipMaravai LifeSciences Holdings, Inc. (MRVI) is primarily owned by institutional investors, who hold approximately 90.1% of shares. The largest shareholder is GTCR LLC with a 13.97% stake. Company insiders hold 29.45%. Data sourced from SEC Form 13F as of September 30, 2025.