Skip to main content

TWO SIGMA INVESTMENTS, LP

Position in ATEC — Alphatec Holdings, Inc.

CIK 1179392 NEW YORK, NY

Position in ATEC

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$7,123,240
-$15,102,891 QoQ
Shares Held
823,496
-59.7% QoQ
Ownership
0.533%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#38
of 265 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 97% Shared 0% None 3%

Common Shares in ATEC Over Time

Shares Held

Position Value (USD)

Position in Medical Devices

Healthcare · as of Jun 30, 2026

TWO SIGMA INVESTMENTS, LP holds $2,666,359,449 across 65 Medical Devices names. ATEC ranks #19 (0.3% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ATEC

Export CSV
26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $7,123,240 823,496
2026-03-31 $22,226,131 2,042,843
2025-12-31 $41,411,117 1,968,209
2025-09-30 $26,089,470 1,794,324
2025-06-30 $12,528,459 1,128,690
2025-03-31 $6,570,081 647,937
2024-12-31 $3,408,405 371,286
2024-09-30 $1,204,685 216,670
2024-06-30 $183,230 17,534
2024-03-31 $840,445 60,946
2023-12-31 $1,669,655 110,500
2023-09-30 $1,843,283 142,119
2023-06-30 $18,883,602 1,050,256
2023-03-31 $10,581,183 678,281
2022-12-31 $6,289,311 509,256
2022-09-30 $1,586,624 181,536
2022-06-30 $388,521 59,407
2022-03-31 $271,400 23,600
2021-12-31 $760,095 66,500
2021-09-30 $6,867,053 563,335
2021-06-30 $9,531,460 622,158
2021-03-31 $10,442,684 661,348
2020-12-31 $4,786,939 329,679
2020-09-30 $583,423 87,865
2020-06-30 $738,478 157,123
2020-03-31 $857,345 248,506