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Castleark Management’s Natera NTRA Stock Holding History

Castleark 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 		$755K Buy
+2,780
New +$593K 0.02% 252
2025
Q3 		– Sell
-34,730
Closed -$5.87M – 314
2025
Q2 		$5.87M Sell
34,730
-8,620
-20% -$1.34M 0.18% 111
2025
Q1 		$6.13M Buy
43,350
+1,320
+3% +$212K 0.21% 93
2024
Q4 		$6.65M Sell
42,030
-29,370
-41% -$4.28M 0.23% 99
2024
Q3 		$9.06M Sell
71,400
-2,600
-4% -$299K 0.37% 51
2024
Q2 		$8.01M Sell
74,000
-630
-0.8% -$64K 0.33% 58
2024
Q1 		$6.83M Buy
+74,630
New +$5.61M 0.28% 78
2022
Q4 		– Sell
-71,950
Closed -$3.15M – 309
2022
Q3 		$3.15M Buy
+71,950
New +$3.42M 0.18% 128
2022
Q1 		– Sell
-105,739
Closed -$9.88M – 350
2021
Q4 		$9.88M Sell
105,739
-10,740
-9% -$1.11M 0.36% 71
2021
Q3 		$13M Buy
116,479
+4,950
+4% +$567K 0.5% 50
2021
Q2 		$12.7M Sell
111,529
-6,060
-5% -$620K 0.43% 56
2021
Q1 		$11.9M Sell
117,589
-47,290
-29% -$5.18M 0.43% 61
2020
Q4 		$16.4M Sell
164,879
-65,200
-28% -$5.45M 0.61% 40
2020
Q3 		$16.6M Sell
230,079
-806
-0.3% -$45.8K 0.65% 38
2020
Q2 		$11.5M Buy
230,885
+21,075
+10% +$846K 0.5% 42
2020
Q1 		$6.26M Buy
+209,810
New +$7.01M 0.37% 76

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

Castleark Management's NTRA Position: Q2 2026 in Review

Castleark Management opened a new position in Natera (NTRA) in Q2 2026: 2,780 shares worth $755K. The stake represents 0.02% of the portfolio and ranks #252 among its holdings. This is a return to the name: Castleark Management previously reported a position in NTRA as recently as Q2 2025.

Castleark Management first reported a position in NTRA in Q1 2020 and has held it in 16 quarters since. The position peaked at $16.6M in Q3 2020. 847 funds tracked by Wall St. Rank hold NTRA as of Q2 2026.

  • Castleark Management held 2,780 shares of Natera worth $755K as of Q2 2026.
  • Natera was a new Castleark Management position in Q2 2026.
  • Natera made up 0.02% of Castleark Management's portfolio in Q2 2026, its #252 holding.
  • Castleark Management first reported a position in Natera in Q1 2020 and has held it in 16 quarters since.
  • Castleark Management's Natera position peaked at $16.6M in Q3 2020.
  • 847 funds tracked by Wall St. Rank held Natera as of Q2 2026.

Based on Castleark Management's 13F filing for Q2 2026, filed 14 Aug 2026.