Driehaus Capital Management LLC Alphatec Holdings, Inc. Transaction History

Driehaus Capital Management LLC

$9.17 Billion
Q1 2025

A detailed history of Driehaus Capital Management LLC transactions in Alphatec Holdings, Inc. stock. As of the latest transaction made, Driehaus Capital Management LLC holds 1,025,449 shares of ATEC stock, worth $11.2 Million. This represents 0.11% of its overall portfolio holdings.

Number of Shares

1,025,449

Holding current value

$11.2 Million

% of portfolio

0.11%

21 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q1 2025 May 15, 2025	BUY	$9.06 - $12.53 $9.29 Million - $12.8 Million	1,025,449 New	1,025,449 $10.4 Million
Q2 2024 Aug 14, 2024	SELL	$9.49 - $14.26 $20.7 Million - $31.1 Million	-2,182,315 Reduced 82.69%	456,835 $4.77 Million
Q1 2024 May 15, 2024	BUY	$12.8 - $16.78 $422,796 - $554,260	33,031 Added 1.27%	2,639,150 $36.4 Million
Q4 2023 Feb 14, 2024	BUY	$8.89 - $15.36 $705,083 - $1.22 Million	79,312 Added 3.14%	2,606,119 $39.4 Million
Q3 2023 Nov 14, 2023	SELL	$12.4 - $18.8 $2.91 Million - $4.4 Million	-234,306 Reduced 8.49%	2,526,807 $32.8 Million
Q2 2023 Aug 14, 2023	BUY	$14.32 - $18.03 $21 Million - $26.5 Million	1,467,700 Added 113.47%	2,761,113 $49.6 Million
Q1 2023 May 15, 2023	SELL	$11.83 - $16.02 $356,012 - $482,105	-30,094 Reduced 2.27%	1,293,413 $20.2 Million
Q4 2022 Feb 14, 2023	SELL	$8.91 - $12.35 $157,689 - $218,570	-17,698 Reduced 1.32%	1,323,507 $16.3 Million
Q3 2022 Nov 14, 2022	SELL	$6.57 - $9.74 $225,324 - $334,043	-34,296 Reduced 2.49%	1,341,205 $11.7 Million
Q2 2022 Aug 15, 2022	BUY	$6.36 - $13.08 $1.52 Million - $3.12 Million	238,480 Added 20.97%	1,375,501 $9 Million
Q1 2022 May 16, 2022	SELL	$9.45 - $12.85 $206,387 - $280,644	-21,840 Reduced 1.88%	1,137,021 $13.1 Million
Q4 2021 Feb 14, 2022	SELL	$10.57 - $13.23 $7.01 Million - $8.78 Million	-663,298 Reduced 36.4%	1,158,861 $13.2 Million
Q3 2021 Nov 15, 2021	SELL	$11.83 - $15.79 $883,961 - $1.18 Million	-74,722 Reduced 3.94%	1,822,159 $22.2 Million
Q2 2021 Aug 16, 2021	BUY	$13.75 - $17.6 $475,860 - $609,100	34,608 Added 1.86%	1,896,881 $29.1 Million
Q1 2021 May 17, 2021	SELL	$13.13 - $18.78 $1.5 Million - $2.15 Million	-114,353 Reduced 5.79%	1,862,273 $29.4 Million
Q4 2020 Feb 16, 2021	BUY	$6.37 - $14.52 $1.31 Million - $2.99 Million	205,988 Added 11.63%	1,976,626 $28.7 Million
Q3 2020 Nov 16, 2020	SELL	$4.43 - $6.94 $173,314 - $271,513	-39,123 Reduced 2.16%	1,770,638 $11.8 Million
Q2 2020 Aug 14, 2020	SELL	$3.05 - $5.59 $249,987 - $458,173	-81,963 Reduced 4.33%	1,809,761 $8.51 Million
Q1 2020 May 15, 2020	BUY	$2.26 - $7.47 $341,926 - $1.13 Million	151,295 Added 8.69%	1,891,724 $6.53 Million
Q4 2019 Feb 12, 2020	SELL	$4.77 - $7.65 $757,180 - $1.21 Million	-158,738 Reduced 8.36%	1,740,429 $12.3 Million
Q3 2019 Nov 14, 2019	BUY	$4.27 - $6.22 $8.11 Million - $11.8 Million	1,899,167 New	1,899,167 $9.53 Million

Others Institutions Holding ATEC

# of Institutions

262

Shares Held

105M

Call Options Held

6.44M

Put Options Held

776K

View Full List

About Alphatec Holdings, Inc.

Ticker ATEC
Exchange NASDAQ
Sector Healthcare
Industry Medical Devices
Shares Outstandng 104,656,000
Market Cap $1.14B
Description
Alphatec Holdings, Inc., a medical technology company, designs, develops, and advances technologies for the surgical treatment of spinal disorders. The company offers SafeOp Neural InformatiX System, an Alpha InformatiX product platform designed to reduce the risk of intraoperative nerve injury; Sigma transforaminal lumbar interbody fusion pedic...

More about ATEC

Track This Portfolio

Portfolio Update

Get notified when there are updates to the investment portfolio of Driehaus Capital Management LLC, based on Form 13F filings with the SEC.

News

Stay updated on Driehaus Capital Management LLC with notifications on news.

Account

Driehaus Capital Management LLC Alphatec Holdings, Inc. Transaction History