Exact Sciences Corporation
Exact Sciences Corporation (EXAS) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · EXAS · as of Mar 31, 2025
Ownership Breakdown
592
Institutional Holders
▼ 46 vs Q4
$7.89B
Total Inst. Value
▼ $2.38B vs Q4
190.89M
Shares Outstanding
freeFloat 98.72%
183.53M
13F Shares Held
▼ 579,919 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
EXAS largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
FMR LLC services-medical laboratories | 27.72M | 14.84% | 14.84% | $1.20T | May 12, 2025 | ▲ 6.97M |
CAPITAL WORLD INVESTORS services-medical laboratories | 17.84M | 9.55% | 9.55% | $772.09B | May 12, 2025 | ▲ 297.7K |
VANGUARD GROUP INC services-medical laboratories | 17.64M | 9.44% | 9.44% | $763.53B | May 9, 2025 | ▲ 617.4K |
WELLINGTON MANAGEMENT GROUP LLP services-medical laboratories | 12.50M | 6.69% | 6.69% | $541.18B | May 13, 2025 | ▲ 442.8K |
BLACKROCK, INC. services-medical laboratories | 11.92M | 6.38% | 6.38% | $516.05B | May 2, 2025 | ▲ 50.8K |
STATE STREET CORP services-medical laboratories | 6.61M | 3.54% | 3.54% | $286.32B | May 15, 2025 | ▲ 381.1K |
PRICE T ROWE ASSOCIATES INC /MD/ services-medical laboratories | 6.40M | 3.43% | 3.43% | $277.23B | May 14, 2025 | ▲ 643.6K |
AMERIPRISE FINANCIAL INC services-medical laboratories | 3.36M | 1.80% | 1.80% | $145.62B | May 14, 2025 | ▼ 844.3K |
MACKENZIE FINANCIAL CORP services-medical laboratories | 3.28M | 1.76% | 1.76% | $142.06B | May 7, 2025 | ▲ 362.3K |
GEODE CAPITAL MANAGEMENT, LLC services-medical laboratories | 3.27M | 1.75% | 1.75% | $141.09B | May 13, 2025 | ▲ 143.6K |
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
24
Increased
+15.57M shares1
New Positions
first time holders23
Decreased
−7.32M shares0
Sold Out
fully exitedNet shares change (top 50)
+8.26M
+15.57M / −7.32M
Net new holders
+2
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
EXAS insider trading · insider activity
Source: SEC Form 4
16
Buy transactions
54
Sell transactions
0.30
Buy/Sell ratio
$1M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Baranick Brian EVP, GM, Precision Oncology | Mar 23, 2026 | Award | 33,321 | — | — | 137.2K | Form 4 ↗ |
Baranick Brian EVP, GM, Precision Oncology | Mar 23, 2026 | D-Return | 795 | — | — | 0 | Form 4 ↗ |
Baranick Brian EVP, GM, Precision Oncology | Mar 23, 2026 | D-Return | 28,063 | — | — | 0 | Form 4 ↗ |
Herriott James SVP, General Counsel & Sec | Mar 23, 2026 | D-Return | 1,762 | $0.01 | $17.62 | 0 | Form 4 ↗ |
Herriott James SVP, General Counsel & Sec | Mar 23, 2026 | D-Return | 793 | $92.62 | $73.4K | 0 | Form 4 ↗ |
Herriott James SVP, General Counsel & Sec | Mar 23, 2026 | D-Return | 2,861 | $98.18 | $280.9K | 0 | Form 4 ↗ |
Herriott James SVP, General Counsel & Sec | Mar 23, 2026 | D-Return | 20,321 | — | — | 0 | Form 4 ↗ |
Bloomer Aaron EVP, Chief Financial Officer | Mar 23, 2026 | Award | 89,911 | — | — | 138.7K | Form 4 ↗ |
Bloomer Aaron EVP, Chief Financial Officer | Mar 23, 2026 | D-Return | 417 | — | — | 0 | Form 4 ↗ |
Bloomer Aaron EVP, Chief Financial Officer | Mar 23, 2026 | D-Return | 28,063 | — | — | 0 | 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
Exact Sciences Corporation (EXAS) is primarily owned by institutional investors, who hold approximately 96.1% of total shares outstanding. Company insiders own approximately 1.28%, while retail and public investors account for the remaining 2.58%.
The largest institutional shareholder of Exact Sciences Corporation is FMR LLC, holding approximately 27.72 million shares — equal to 14.84% of outstanding shares — as of March 31, 2025.
A total of 592 institutional investors currently hold EXAS stock, with a combined institutional value of approximately $7.89 billion as of the most recent 13F filing period.
Frequently asked questions
EXAS ownershipExact Sciences Corporation (EXAS) is primarily owned by institutional investors, who hold approximately 96.1% of shares. The largest shareholder is FMR LLC with a 14.84% stake. Company insiders hold 1.28%. Data sourced from SEC Form 13F as of March 31, 2025.