Westfield Capital Management
NTRA icon

Westfield Capital Management’s Natera NTRA Stock Holding History

Westfield Capital Management’s Portfolio NTRA Stock Details NTRA Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$197M Sell
726,628
-28,101
-4% -$5.99M 0.64% 38
2026
Q1 		$151M Buy
754,729
+40,037
+6% +$8.62M 0.63% 35
2025
Q4 		$164M Buy
714,692
+138,890
+24% +$29M 0.68% 31
2025
Q3 		$92.7M Sell
575,802
-94,087
-14% -$14.9M 0.39% 72
2025
Q2 		$113M Sell
669,889
-21,452
-3% -$3.34M 0.47% 54
2025
Q1 		$97.8M Buy
691,341
+155,547
+29% +$25M 0.48% 59
2024
Q4 		$84.8M Buy
+535,794
New +$78M 0.37% 80

Other funds holding NTRA

JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
DFO
Duquesne Family Office New York $5.21B AUM 87.01% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Westfield Capital Management's NTRA Position: Q2 2026 in Review

Westfield Capital Management reduced its Natera (NTRA) stake by 3.7% in Q2 2026, selling an estimated $5.99M and leaving 726,628 shares worth $197M. The position accounts for 0.64% of the portfolio, ranked #38.

Westfield Capital Management first reported a position in NTRA in Q4 2024 and has held it in 7 quarters since. 847 funds tracked by Wall St. Rank hold NTRA as of Q2 2026.

  • Westfield Capital Management held 726,628 shares of Natera worth $197M as of Q2 2026.
  • Westfield Capital Management sold 28,101 Natera shares in Q2 2026, an estimated $5.99M.
  • Natera made up 0.64% of Westfield Capital Management's portfolio in Q2 2026, its #38 holding.
  • Westfield Capital Management first reported a position in Natera in Q4 2024 and has held it in 7 quarters since.
  • 847 funds tracked by Wall St. Rank held Natera as of Q2 2026.

Based on Westfield Capital Management's 13F filing for Q2 2026, filed 12 Aug 2026.