Janus Henderson Group
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Janus Henderson Group’s Alphatec Holdings ATEC Stock Holding History

Janus Henderson Group’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 		$541K Hold
49,743
– – ﹤0.01% 1973
2025
Q4 		$1.05M Sell
49,743
-52,072
-51% -$964K ﹤0.01% 1645
2025
Q3 		$1.48M Buy
101,815
+6,599
+7% +$91.9K ﹤0.01% 1465
2025
Q2 		$1.06M Buy
95,216
+45,473
+91% +$522K ﹤0.01% 1583
2025
Q1 		$507K Hold
49,743
– – ﹤0.01% 1958
2024
Q4 		$457K Hold
49,743
– – ﹤0.01% 2076
2024
Q3 		$277K Sell
49,743
-1,044,152
-95% -$8.02M ﹤0.01% 2302
2024
Q2 		$11.4M Buy
1,093,895
+3,215
+0.3% +$37.4K 0.01% 656
2024
Q1 		$15M Sell
1,090,680
-329,013
-23% -$4.88M 0.01% 611
2023
Q4 		$21.5M Buy
1,419,693
+23,310
+2% +$279K 0.01% 534
2023
Q3 		$18.1M Sell
1,396,383
-165,610
-11% -$2.59M 0.01% 554
2023
Q2 		$28.1M Sell
1,561,993
-167,975
-10% -$2.62M 0.02% 500
2023
Q1 		$27M Sell
1,729,968
-205,640
-11% -$2.91M 0.02% 505
2022
Q4 		$23.9M Sell
1,935,608
-1
-0% -$10 0.02% 528
2022
Q3 		$16.9M Sell
1,935,609
-125,878
-6% -$996K 0.01% 584
2022
Q2 		$13.5M Sell
2,061,487
-5,058
-0.2% -$46.6K 0.01% 633
2022
Q1 		$23.8M Buy
2,066,545
+134,792
+7% +$1.46M 0.01% 711
2021
Q4 		$22.1M Buy
1,931,753
+927,300
+92% +$10.9M 0.01% 764
2021
Q3 		$12.2M Buy
+1,004,453
New +$14M 0.01% 878

Other funds holding ATEC

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Royal Bank of Canada
Royal Bank of Canada Toronto, Ontario, Canada $672B AUM 33.48% 1-Year Est. Return
BNP Paribas Asset Management
BNP Paribas Asset Management Paris, France $99.8B AUM 45.22% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Nuveen
Nuveen Charlotte, North Carolina $419B AUM 43.02% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

Janus Henderson Group's ATEC Position: Q1 2026 in Review

Janus Henderson Group held its Alphatec Holdings (ATEC) position steady in Q1 2026 at 49,743 shares worth $541K. The position accounts for ﹤0.01% of the portfolio, ranked #1973.

Janus Henderson Group first reported a position in ATEC in Q3 2021 and has held it in 19 quarters since. The position peaked at $28.1M in Q2 2023. 285 funds tracked by Wall St. Rank hold ATEC as of Q1 2026.

  • Janus Henderson Group held 49,743 shares of Alphatec Holdings worth $541K as of Q1 2026.
  • Janus Henderson Group left its Alphatec Holdings share count unchanged in Q1 2026.
  • Alphatec Holdings made up ﹤0.01% of Janus Henderson Group's portfolio in Q1 2026, its #1973 holding.
  • Janus Henderson Group first reported a position in Alphatec Holdings in Q3 2021 and has held it in 19 quarters since.
  • Janus Henderson Group's Alphatec Holdings position peaked at $28.1M in Q2 2023.
  • 285 funds tracked by Wall St. Rank held Alphatec Holdings as of Q1 2026.

Based on Janus Henderson Group's 13F filing for Q1 2026, filed 15 May 2026.