NATERA INC

Ticker: NTRA CUSIP: 632307104 Class: EQTY

WESTFIELD CAPITAL MANAGEMENT CO LP's Holding History (CIK: 0001177719)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 714,692 Value ($000) $163,729 Avg Close $208.59 Range $157.43 - $246.90

Q3 2025

Shares 575,802 Value ($000) $92,687 Avg Close $158.20 Range $131.81 - $181.85

Q2 2025

Shares 669,889 Value ($000) $113,171 Avg Close $155.83 Range $125.38 - $173.50

Q1 2025

Shares 691,341 Value ($000) $97,763 Avg Close $160.74 Range $127.75 - $183.00

Q4 2024

Shares 535,794 Value ($000) $84,816 Avg Close $145.66 Range $117.27 - $175.63

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	714,692	$163,729	$208.59	$157.43 - $246.90
Q3 2025	575,802	$92,687	$158.20	$131.81 - $181.85
Q2 2025	669,889	$113,171	$155.83	$125.38 - $173.50
Q1 2025	691,341	$97,763	$160.74	$127.75 - $183.00
Q4 2024	535,794	$84,816	$145.66	$117.27 - $175.63