EXACT SCIENCES CORP (EXAS) Stock Institutional Trading Activity
EXACT SCIENCES CORP (EXAS) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC, Mairs & Power Growth Fund, ARK Invest, Sequoia Financial Advisors, and Parnassus Endeavor Fund. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.
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- EXACT SCIENCES CORP (EXAS) stock institutional ownership
- EXACT SCIENCES CORP (EXAS) stock insider trading activity
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| Portfolio quarter | Name | Type | Quantity | Remaining | Reported stock balance |
|---|---|---|---|---|---|
| Q4 2019 | Viking Global Investors | Sell | -117,986 | 2,067,247 | $191,179 |
| Q3 2019 | Renaissance Technologies LLC | Buy | 128,240 | 519,800 | $46,974 |
| Q3 2019 | Viking Global Investors | Sell | -79,441 | 2,185,233 | $197,480 |
| Q2 2019 | Renaissance Technologies LLC | Buy | 265,360 | 391,560 | $46,220 |
| Q2 2019 | Viking Global Investors | Sell | -950,308 | 2,264,674 | $267,322 |
| Q1 2019 | Renaissance Technologies LLC | Sell | -122,998 | 126,200 | $10,931 |
| Q1 2019 | Viking Global Investors | Sell | -745,029 | 3,214,982 | $278,482 |
| Q4 2018 | Viking Global Investors | Buy | 2,665,361 | 3,960,011 | $249,877 |
| Q3 2018 | Renaissance Technologies LLC | Buy | 232,809 | 249,198 | $19,667 |
| Q3 2018 | Viking Global Investors | Buy | 1,294,650 | 1,294,650 | $102,174 |
| Q1 2018 | Lone Pine Capital | Buy | 1,298,001 | 1,298,001 | $52,348 |
| Q3 2017 | Renaissance Technologies LLC | Sell | -792,211 | 16,389 | $772 |
| Q2 2017 | Renaissance Technologies LLC | Buy | 457,300 | 808,600 | $28,600 |
| Q1 2017 | Renaissance Technologies LLC | Sell | -14,000 | 351,300 | $8,298 |
| Q3 2016 | Renaissance Technologies LLC | Buy | 155,200 | 365,300 | $6,784 |
| Q1 2016 | Renaissance Technologies LLC | Buy | 197,940 | 210,100 | $1,416 |
| Q4 2015 | Renaissance Technologies LLC | Buy | 12,160 | 12,160 | $112 |
| Q2 2014 | Tiger Global Management | Buy | 2,000,000 | 2,000,000 | $34,060 |
Frequently asked questions about EXAS activity
Which institutional owners are buying EXAS?
Institutional owners buying EXAS include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in EXAS activity?
"Buy" means an investor increased their reported position in EXAS compared to the prior reporting period. This reflects growing exposure to EXACT SCIENCES CORP (EXAS) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in EXAS increasing?
Institutional interest in EXAS can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.