Assenagon Asset Management
ATEC icon

Assenagon Asset Management’s Alphatec Holdings ATEC Stock Holding History

Assenagon Asset Management’s Portfolio ATEC Stock Details ATEC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.39M Sell
161,238
-95,643
-37% -$871K ﹤0.01% 915
2026
Q1 		$2.79M Sell
256,881
-721,462
-74% -$10.5M ﹤0.01% 716
2025
Q4 		$20.6M Buy
978,343
+227,914
+30% +$4.22M 0.03% 360
2025
Q3 		$10.9M Buy
750,429
+739,982
+7,083% +$10.3M 0.01% 468
2025
Q2 		$116K Hold
10,447
– – ﹤0.01% 1133
2025
Q1 		$106K Sell
10,447
-2,079
-17% -$22.3K ﹤0.01% 1129
2024
Q4 		$115K Sell
12,526
-27,960
-69% -$223K ﹤0.01% 1292
2024
Q3 		$225K Buy
40,486
+9,361
+30% +$71.9K ﹤0.01% 1320
2024
Q2 		$325K Sell
31,125
-780
-2% -$9.08K ﹤0.01% 1316
2024
Q1 		$440K Sell
31,905
-143,345
-82% -$2.13M ﹤0.01% 1223
2023
Q4 		$2.65M Sell
175,250
-1,412,266
-89% -$16.9M 0.01% 831
2023
Q3 		$20.6M Buy
1,587,516
+151,249
+11% +$2.37M 0.06% 245
2023
Q2 		$25.8M Buy
1,436,267
+616,294
+75% +$9.6M 0.09% 185
2023
Q1 		$12.8M Buy
819,973
+608,495
+288% +$8.6M 0.05% 324
2022
Q4 		$2.61M Buy
+211,478
New +$2.13M 0.01% 721
2022
Q2 		– Sell
-45,527
Closed -$524K – 1455
2022
Q1 		$524K Sell
45,527
-979,269
-96% -$10.6M ﹤0.01% 1200
2021
Q4 		$11.7M Buy
1,024,796
+750,802
+274% +$8.86M 0.03% 299
2021
Q3 		$3.34M Sell
273,994
-115,828
-30% -$1.62M 0.01% 538
2021
Q2 		$5.97M Buy
+389,822
New +$6.01M 0.02% 441

Other funds holding ATEC

CAM
Congress Asset Management Boston, Massachusetts $16.3B AUM 42.69% 1-Year Est. Return
KFO
Kopp Family Office Bloomington, Minnesota $163M AUM 22.57% 1-Year Est. Return
YIH
Y-Intercept (HK) Hong Kong $5.05B AUM 17.89% 1-Year Est. Return
CC
Courier Capital Buffalo, New York $2B AUM 24.36% 1-Year Est. Return
IFG
Independent Financial Group San Diego, California $5.35B AUM 43.78% 1-Year Est. Return
Wealth Enhancement Advisory Services
Wealth Enhancement Advisory Services Plymouth, Minnesota $59.8B AUM 29.42% 1-Year Est. Return
DT
Diversified Trust Memphis, Tennessee $6.24B AUM 28.78% 1-Year Est. Return
Handelsbanken Fonder
Handelsbanken Fonder Stockholm, Sweden $35.1B AUM 47.76% 1-Year Est. Return
VFA
Valeo Financial Advisors Carmel, Indiana $4.74B AUM 27.69% 1-Year Est. Return
CWP
Curated Wealth Partners El Segundo, California $774M AUM 5.71% 1-Year Est. Return

Assenagon Asset Management's ATEC Position: Q2 2026 in Review

Assenagon Asset Management reduced its Alphatec Holdings (ATEC) stake by 37% in Q2 2026, selling an estimated $871K and leaving 161,238 shares worth $1.39M. The position accounts for ﹤0.01% of the portfolio, ranked #915.

Assenagon Asset Management first reported a position in ATEC in Q2 2021 and has held it in 19 quarters since. The position peaked at $25.8M in Q2 2023. 22 funds tracked by Wall St. Rank hold ATEC as of Q2 2026.

  • Assenagon Asset Management held 161,238 shares of Alphatec Holdings worth $1.39M as of Q2 2026.
  • Assenagon Asset Management sold 95,643 Alphatec Holdings shares in Q2 2026, an estimated $871K.
  • Alphatec Holdings made up ﹤0.01% of Assenagon Asset Management's portfolio in Q2 2026, its #915 holding.
  • Assenagon Asset Management first reported a position in Alphatec Holdings in Q2 2021 and has held it in 19 quarters since.
  • Assenagon Asset Management's Alphatec Holdings position peaked at $25.8M in Q2 2023.
  • 22 funds tracked by Wall St. Rank held Alphatec Holdings as of Q2 2026.

Based on Assenagon Asset Management's 13F filing for Q2 2026, filed 8 Jul 2026.