Natera, Inc.
Natera, Inc. (NTRA) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · NTRA · as of Mar 31, 2025
Ownership Breakdown
624
Institutional Holders
▲ 1 vs Q4
$18.39B
Total Inst. Value
▼ $1.41B vs Q4
143.22M
Shares Outstanding
freeFloat 95.40%
130.11M
13F Shares Held
▲ 4.99M vs Q4
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
NTRA largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC services-medical laboratories | 12.39M | 9.20% | 9.20% | $1.75T | May 9, 2025 | ▲ 77.4K |
PRICE T ROWE ASSOCIATES INC /MD/ services-medical laboratories | 10.54M | 7.82% | 7.82% | $1.49T | May 14, 2025 | ▲ 3.80M |
BLACKROCK, INC. services-medical laboratories | 10.44M | 7.75% | 7.75% | $1.48T | May 2, 2025 | ▲ 1.26M |
JPMORGAN CHASE & CO services-medical laboratories | 7.36M | 5.46% | 5.46% | $1.04T | May 12, 2025 | ▲ 660.5K |
FARALLON CAPITAL MANAGEMENT LLC services-medical laboratories | 4.55M | 3.38% | 3.38% | $643.11B | May 15, 2025 | ▲ 116.2K |
DUQUESNE FAMILY OFFICE LLC services-medical laboratories | 3.40M | 2.52% | 2.52% | $481.12B | May 15, 2025 | ▼ 164.5K |
STATE STREET CORP services-medical laboratories | 3.37M | 2.50% | 2.50% | $476.63B | May 15, 2025 | ▲ 379.6K |
WELLINGTON MANAGEMENT GROUP LLP services-medical laboratories | 3.06M | 2.27% | 2.27% | $432.67B | May 13, 2025 | ▼ 180.4K |
FRED ALGER MANAGEMENT, LLC services-medical laboratories | 2.60M | 1.93% | 1.93% | $368.25B | May 16, 2025 | ▼ 413.7K |
RTW INVESTMENTS, LP services-medical laboratories | 2.59M | 1.92% | 1.92% | $366.75B | May 15, 2025 | ▲ 223 |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
32
Increased
+10.50M shares1
New Positions
first time holders16
Decreased
−4.19M shares0
Sold Out
fully exitedNet shares change (top 50)
+6.31M
+10.50M / −4.19M
Net new holders
+17
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
NTRA insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
0
Buy transactions
2
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 |
|---|---|---|---|---|---|---|---|
Chapman Steven Leonard CEO AND PRESIDENT | Jun 4, 2026 | Sale | 832 | $212.42 | $176.7K | 149.0K | Form 4 ↗ |
Chapman Steven Leonard CEO AND PRESIDENT | Jun 4, 2026 | Sale | 2,503 | $213.44 | $534.3K | 146.5K | Form 4 ↗ |
Chapman Steven Leonard CEO AND PRESIDENT | Jun 4, 2026 | Sale | 1,300 | $214.83 | $279.3K | 145.2K | Form 4 ↗ |
Chapman Steven Leonard CEO AND PRESIDENT | Jun 4, 2026 | Sale | 5,499 | $216.13 | $1.19M | 139.7K | Form 4 ↗ |
Chapman Steven Leonard CEO AND PRESIDENT | Jun 4, 2026 | Sale | 2,351 | $217.04 | $510.3K | 137.4K | Form 4 ↗ |
Chapman Steven Leonard CEO AND PRESIDENT | Jun 4, 2026 | Sale | 1,742 | $218.28 | $380.3K | 135.6K | Form 4 ↗ |
Chapman Steven Leonard CEO AND PRESIDENT | Jun 4, 2026 | Sale | 2,758 | $219.08 | $604.2K | 132.9K | Form 4 ↗ |
Chapman Steven Leonard CEO AND PRESIDENT | Jun 4, 2026 | Sale | 2,400 | $220.19 | $528.5K | 130.5K | Form 4 ↗ |
Chapman Steven Leonard CEO AND PRESIDENT | Jun 4, 2026 | Sale | 2,006 | $222.25 | $445.8K | 128.5K | Form 4 ↗ |
Chapman Steven Leonard CEO AND PRESIDENT | Jun 4, 2026 | Sale | 6,500 | $223.34 | $1.45M | 122.0K | 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
Natera, Inc. (NTRA) is primarily owned by institutional investors, who hold approximately 90.8% of total shares outstanding. Company insiders own approximately 4.60%, while retail and public investors account for the remaining 4.55%.
The largest institutional shareholder of Natera, Inc. is VANGUARD GROUP INC, holding approximately 12.39 million shares — equal to 9.20% of outstanding shares — as of March 31, 2025.
A total of 624 institutional investors currently hold NTRA stock, with a combined institutional value of approximately $18.39 billion as of the most recent 13F filing period.
Frequently asked questions
NTRA ownershipNatera, Inc. (NTRA) is primarily owned by institutional investors, who hold approximately 90.8% of shares. The largest shareholder is VANGUARD GROUP INC with a 9.20% stake. Company insiders hold 4.60%. Data sourced from SEC Form 13F as of March 31, 2025.