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Engineers Gate Manager’s Alphatec Holdings ATEC Stock Holding History

Engineers Gate Manager’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
Q1 		$3.12M Buy
286,467
+57,258
+25% +$834K 0.04% 539
2025
Q4 		$4.82M Sell
229,209
-85,723
-27% -$1.59M 0.06% 353
2025
Q3 		$4.58M Sell
314,932
-32,407
-9% -$451K 0.05% 421
2025
Q2 		$3.86M Buy
347,339
+136,006
+64% +$1.56M 0.05% 468
2025
Q1 		$2.14M Buy
+211,333
New +$2.27M 0.04% 663
2024
Q4 		– Sell
-87,794
Closed -$488K – 2215
2024
Q3 		$488K Buy
87,794
+49,997
+132% +$384K 0.01% 1389
2024
Q2 		$395K Buy
37,797
+20,641
+120% +$240K 0.01% 1325
2024
Q1 		$237K Sell
17,156
-29,973
-64% -$445K 0.01% 1584
2023
Q4 		$712K Sell
47,129
-110,183
-70% -$1.32M 0.02% 991
2023
Q3 		$2.04M Buy
157,312
+5,308
+3% +$83.1K 0.08% 377
2023
Q2 		$2.73M Sell
152,004
-4,471
-3% -$69.6K 0.1% 250
2023
Q1 		$2.44M Buy
156,475
+109,746
+235% +$1.55M 0.1% 262
2022
Q4 		$577K Buy
46,729
+8,812
+23% +$88.8K 0.03% 800
2022
Q3 		$331K Sell
37,917
-92,094
-71% -$728K 0.02% 1052
2022
Q2 		$850K Buy
130,011
+98,515
+313% +$908K 0.03% 810
2022
Q1 		$362K Buy
31,496
+17,056
+118% +$184K 0.01% 1267
2021
Q4 		$165K Buy
+14,440
New +$170K 0.01% 1713
2021
Q2 		– Sell
-93,956
Closed -$1.48M – 1596
2021
Q1 		$1.48M Sell
93,956
-50,971
-35% -$802K 0.07% 398
2020
Q4 		$2.1M Buy
144,927
+97,472
+205% +$1.03M 0.09% 321
2020
Q3 		$315K Buy
47,455
+7,043
+17% +$39.7K 0.01% 1218
2020
Q2 		$190K Sell
40,412
-94,566
-70% -$418K 0.01% 1463
2020
Q1 		$466K Buy
134,978
+59,364
+79% +$341K 0.03% 805
2019
Q4 		$536K Buy
75,614
+27,375
+57% +$176K 0.02% 962
2019
Q3 		$242K Buy
+48,239
New +$251K 0.01% 1109
2019
Q2 		– Sell
-44,003
Closed -$117K – 1124
2019
Q1 		$117K Buy
+44,003
New +$85.5K 0.01% 869

Other funds holding ATEC

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Royal Bank of Canada
Royal Bank of Canada Toronto, Ontario, Canada $570B AUM 27.57% 1-Year Est. Return
BNP Paribas Asset Management
BNP Paribas Asset Management Paris, France $86.1B AUM 29.11% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
N
Nuveen Charlotte, North Carolina $369B AUM 31.66% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

Engineers Gate Manager's ATEC Position: Q1 2026 in Review

Engineers Gate Manager increased its Alphatec Holdings (ATEC) stake by 25% in Q1 2026, buying an estimated $834K and bringing the position to 286,467 shares worth $3.12M. The position accounts for 0.04% of the portfolio, ranked #539.

Engineers Gate Manager first reported a position in ATEC in Q1 2019 and has held it in 25 quarters since. The position peaked at $4.82M in Q4 2025. 285 funds tracked by Wall St. Rank hold ATEC as of Q1 2026.

  • Engineers Gate Manager held 286,467 shares of Alphatec Holdings worth $3.12M as of Q1 2026.
  • Engineers Gate Manager bought 57,258 Alphatec Holdings shares in Q1 2026, an estimated $834K.
  • Alphatec Holdings made up 0.04% of Engineers Gate Manager's portfolio in Q1 2026, its #539 holding.
  • Engineers Gate Manager first reported a position in Alphatec Holdings in Q1 2019 and has held it in 25 quarters since.
  • Engineers Gate Manager's Alphatec Holdings position peaked at $4.82M in Q4 2025.
  • 285 funds tracked by Wall St. Rank held Alphatec Holdings as of Q1 2026.

Based on Engineers Gate Manager's 13F filing for Q1 2026, filed 15 May 2026.