William Blair & Company
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William Blair & Company’s Natera NTRA Stock Holding History

William Blair & Company’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
Q1 		$1.33M Buy
6,632
+797
+14% +$172K ﹤0.01% 850
2025
Q4 		$1.34M Buy
5,835
+119
+2% +$24.8K ﹤0.01% 857
2025
Q3 		$920K Buy
5,716
+2,999
+110% +$474K ﹤0.01% 937
2025
Q2 		$459K Buy
2,717
+26
+1% +$4.05K ﹤0.01% 1113
2025
Q1 		$381K Hold
2,691
– – ﹤0.01% 1171
2024
Q4 		$426K Buy
+2,691
New +$392K ﹤0.01% 1150

Other funds holding NTRA

JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
FCM
Farallon Capital Management San Francisco, California $17.5B AUM 50.95% 1-Year Est. Return
DFO
Duquesne Family Office New York $3.38B AUM 61.92% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

William Blair & Company's NTRA Position: Q1 2026 in Review

William Blair & Company increased its Natera (NTRA) stake by 14% in Q1 2026, buying an estimated $172K and bringing the position to 6,632 shares worth $1.33M. The position accounts for ﹤0.01% of the portfolio, ranked #850.

William Blair & Company first reported a position in NTRA in Q4 2024 and has held it in 6 quarters since. The position peaked at $1.34M in Q4 2025. 762 funds tracked by Wall St. Rank hold NTRA as of Q1 2026.

  • William Blair & Company held 6,632 shares of Natera worth $1.33M as of Q1 2026.
  • William Blair & Company bought 797 Natera shares in Q1 2026, an estimated $172K.
  • Natera made up ﹤0.01% of William Blair & Company's portfolio in Q1 2026, its #850 holding.
  • William Blair & Company first reported a position in Natera in Q4 2024 and has held it in 6 quarters since.
  • William Blair & Company's Natera position peaked at $1.34M in Q4 2025.
  • 762 funds tracked by Wall St. Rank held Natera as of Q1 2026.

Based on William Blair & Company's 13F filing for Q1 2026, filed 8 May 2026.