Alphatec Holdings, Inc. - Common Stock, par value $0.0001 per share (ATEC) Institutional Ownership

13F Institutional Holders and Ownership History from Q1 2016 to Q4 2025

Type / Class
Equity / Common Stock, par value $0.0001 per share
Symbol
ATEC on Nasdaq
Shares outstanding
148,491,921
Price per share
$15.68
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
118,705,084
Total reported value
$2,497,442,929
% of total 13F portfolios
0%
Share change
+9,985,696
Value change
+$230,315,996
Number of holders
277
Price from insider filings
$15.68
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Alphatec Holdings, Inc. - Common Stock, par value $0.0001 per share (ATEC) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Squadron Capital LLC 8.9% $259,293,623 13,215,781 Jennifer N. Pritzker 15 Dec 2025

As of 31 Dec 2025, 277 institutional investors reported holding 118,705,084 shares of Alphatec Holdings, Inc. - Common Stock, par value $0.0001 per share (ATEC). This represents 80% of the company’s total 148,491,921 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Alphatec Holdings, Inc. - Common Stock, par value $0.0001 per share (ATEC) together control 51% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BlackRock, Inc. 6.8% 10,157,648 -2.1% 0% $213,716,915
VANGUARD GROUP INC 4.6% 6,883,626 +1% 0% $144,831,491
AMERICAN CENTURY COMPANIES INC 4.4% 6,509,462 +2.7% 0.07% $136,959,122
ROYAL BANK OF CANADA 3.3% 4,912,510 -2% 0.02% $103,360,000
MORGAN STANLEY 2.9% 4,340,935 +22% 0.01% $91,333,287
DEUTSCHE BANK AG\ 2.3% 3,342,350 +7.1% 0.02% $70,323,044
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 2.1% 3,176,818 -2.4% 0.08% $66,841,000
STATE STREET CORP 1.9% 2,889,240 +6.4% 0% $60,789,610
Nuveen, LLC 1.9% 2,873,742 -1.3% 0.02% $60,463,532
Driehaus Capital Management LLC 1.9% 2,858,771 +103% 0.41% $60,148,542
GEODE CAPITAL MANAGEMENT, LLC 1.9% 2,828,026 +1.2% 0% $59,511,256
NEXT CENTURY GROWTH INVESTORS LLC 1.6% 2,418,298 +6.1% 3.5% $50,880,989
MILLENNIUM MANAGEMENT LLC 1.5% 2,225,927 +292% 0.03% $46,833,504
GOLDMAN SACHS GROUP INC 1.4% 2,106,389 +35% 0.01% $44,318,425
BANK OF AMERICA CORP /DE/ 1.4% 2,017,912 -22% 0% $42,456,870
TWO SIGMA INVESTMENTS, LP 1.3% 1,968,209 +9.7% 0.06% $41,411,117
Cerity Partners LLC 1.2% 1,824,489 -1.6% 0.06% $38,387,242
EMERALD ADVISERS, LLC 1.1% 1,637,729 -0.07% 1.1% $34,457,818
TWO SIGMA ADVISERS, LP 1.1% 1,635,100 +30% 0.07% $34,402,504
TREMBLANT CAPITAL GROUP 1.1% 1,624,997 0.87% $34,189,937
Walleye Capital LLC 1.1% 1,561,347 -7.3% 0.19% $32,850,741
UBS Group AG 0.95% 1,409,860 +13% 0.01% $29,663,455
NORTHERN TRUST CORP 0.93% 1,376,771 -7.2% 0% $28,967,262
CITADEL ADVISORS LLC 0.9% 1,337,565 +623% 0.02% $28,142,367
Aberdeen Group plc 0.87% 1,286,195 +30% 0.04% $27,061,543

Institutional Holders of Alphatec Holdings, Inc. - Common Stock, par value $0.0001 per share (ATEC) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 118,705,084 $2,497,442,929 +$230,315,996 $21.04 277
2025 Q3 108,131,166 $1,572,206,011 +$108,816,851 $14.54 269
2025 Q2 100,894,463 $1,119,970,530 +$110,166,950 $11.10 235
2025 Q1 90,896,433 $921,707,723 +$71,854,145 $10.14 229
2024 Q4 84,665,682 $777,612,878 +$17,311,717 $9.18 226
2024 Q3 82,952,438 $461,127,100 -$103,492,411 $5.56 212
2024 Q2 93,387,152 $975,892,590 +$16,871,194 $10.45 214
2024 Q1 91,603,639 $1,263,405,807 +$14,543,640 $13.79 221
2023 Q4 90,194,008 $1,363,122,567 +$315,244,959 $15.11 203
2023 Q3 69,651,493 $903,432,680 -$22,862,184 $12.97 197
2023 Q2 69,346,783 $1,246,643,684 +$192,282,709 $17.98 206
2023 Q1 58,955,439 $919,622,439 +$91,055,783 $15.60 180
2022 Q4 53,948,533 $666,376,152 +$42,733,511 $12.35 178
2022 Q3 51,212,100 $447,703,298 +$8,939,700 $8.74 158
2022 Q2 50,262,413 $328,716,139 -$25,412,480 $6.54 155
2022 Q1 52,926,640 $608,103,433 -$3,097,119 $11.50 158
2021 Q4 53,379,624 $610,594,414 +$742,182 $11.43 168
2021 Q3 53,122,080 $647,555,735 +$102,423,130 $12.19 162
2021 Q2 44,464,433 $681,071,254 +$7,084,913 $15.32 147
2021 Q1 43,986,567 $691,446,933 +$36,230,930 $15.79 154
2020 Q4 42,379,116 $615,344,983 +$251,413,241 $14.52 148
2020 Q3 24,935,808 $165,664,969 -$336,837 $6.64 96
2020 Q2 24,796,696 $116,558,931 +$6,024,975 $4.70 87
2020 Q1 24,500,636 $84,557,757 -$11,590,274 $3.45 105
2019 Q4 25,341,123 $179,785,392 +$12,016,434 $7.09 106
2019 Q3 23,386,430 $117,414,704 +$59,057,345 $5.02 90
2019 Q2 11,615,241 $52,741,944 +$22,281,932 $4.54 60
2019 Q1 7,024,068 $18,593,000 -$1,284,000 $2.65 38
2018 Q4 8,073,206 $18,489,000 -$3,108,976 $2.29 39
2018 Q3 9,191,593 $30,971,000 +$419,222 $3.37 42
2018 Q2 9,085,984 $27,074,000 +$13,404,080 $2.98 37
2018 Q1 4,588,221 $14,727,000 +$5,043,156 $3.21 21
2017 Q4 3,050,762 $8,118,000 +$1,230,295 $2.66 24
2017 Q3 2,624,254 $5,928,000 -$97,566 $2.26 19
2017 Q2 2,832,350 $5,255,000 +$1,036,758 $1.85 23
2017 Q1 2,256,188 $5,256,000 +$273,899 $2.33 23
2016 Q4 2,055,331 $6,598,000 +$872,252 $3.21 27
2016 Q3 1,292,605 $12,146,000 +$12,146,000 $9.40 26
2016 Q2 0 $0 -$8,000 $15.68 0
2016 Q1 2,831 $8,000 $2.83 1