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Driehaus Capital Management’s Alphatec Holdings ATEC Stock Holding History

Driehaus Capital 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
Q1 		– Sell
-2,858,771
Closed -$60.1M – 367
2025
Q4 		$60.1M Buy
2,858,771
+1,449,158
+103% +$26.8M 0.41% 79
2025
Q3 		$20.5M Sell
1,409,613
-44,143
-3% -$614K 0.15% 201
2025
Q2 		$16.1M Buy
1,453,756
+428,307
+42% +$4.92M 0.13% 202
2025
Q1 		$10.4M Buy
+1,025,449
New +$11M 0.1% 238
2024
Q3 		– Sell
-456,835
Closed -$4.77M – 382
2024
Q2 		$4.77M Sell
456,835
-2,182,315
-83% -$25.4M 0.05% 260
2024
Q1 		$36.4M Buy
2,639,150
+33,031
+1% +$490K 0.36% 79
2023
Q4 		$39.4M Buy
2,606,119
+79,312
+3% +$948K 0.47% 56
2023
Q3 		$32.8M Sell
2,526,807
-234,306
-8% -$3.67M 0.43% 68
2023
Q2 		$49.6M Buy
2,761,113
+1,467,700
+113% +$22.9M 0.63% 37
2023
Q1 		$20.2M Sell
1,293,413
-30,094
-2% -$425K 0.28% 114
2022
Q4 		$16.3M Sell
1,323,507
-17,698
-1% -$178K 0.24% 143
2022
Q3 		$11.7M Sell
1,341,205
-34,296
-2% -$271K 0.18% 170
2022
Q2 		$9M Buy
1,375,501
+238,480
+21% +$2.2M 0.15% 211
2022
Q1 		$13.1M Sell
1,137,021
-21,840
-2% -$236K 0.16% 188
2021
Q4 		$13.2M Sell
1,158,861
-663,298
-36% -$7.83M 0.14% 205
2021
Q3 		$22.2M Sell
1,822,159
-74,722
-4% -$1.04M 0.26% 122
2021
Q2 		$29.1M Buy
1,896,881
+34,608
+2% +$534K 0.39% 77
2021
Q1 		$29.4M Sell
1,862,273
-114,353
-6% -$1.8M 0.43% 64
2020
Q4 		$28.7M Buy
1,976,626
+205,988
+12% +$2.18M 0.46% 66
2020
Q3 		$11.8M Sell
1,770,638
-39,123
-2% -$221K 0.24% 115
2020
Q2 		$8.51M Sell
1,809,761
-81,963
-4% -$362K 0.21% 139
2020
Q1 		$6.53M Buy
1,891,724
+151,295
+9% +$870K 0.22% 118
2019
Q4 		$12.3M Sell
1,740,429
-158,738
-8% -$1.02M 0.33% 89
2019
Q3 		$9.53M Buy
+1,899,167
New +$9.87M 0.31% 89

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

Driehaus Capital Management's ATEC Position: Q1 2026 in Review

Driehaus Capital Management sold out of Alphatec Holdings (ATEC) in Q1 2026, closing a stake of 2,858,771 shares — an estimated $60.1M sold.

Driehaus Capital Management first reported a position in ATEC in Q3 2019 and held it in 24 quarters. The position peaked at $60.1M in Q4 2025. 285 funds tracked by Wall St. Rank hold ATEC as of Q1 2026.

  • Driehaus Capital Management reported no remaining Alphatec Holdings position as of Q1 2026 after selling out during the quarter.
  • Driehaus Capital Management sold 2,858,771 Alphatec Holdings shares in Q1 2026, an estimated $60.1M.
  • Driehaus Capital Management first reported a position in Alphatec Holdings in Q3 2019 and held it in 24 quarters.
  • Driehaus Capital Management's Alphatec Holdings position peaked at $60.1M in Q4 2025.
  • 285 funds tracked by Wall St. Rank held Alphatec Holdings as of Q1 2026.

Based on Driehaus Capital Management's 13F filing for Q1 2026, filed 15 May 2026.