NEXT CENTURY GROWTH INVESTORS LLC

Position in ATEC — Alphatec Holdings, Inc.

CIK 1134007 PLYMOUTH, MN

Position in ATEC

as of Mar 31, 2026 · filed May 14, 2026 Compact

Position Value

$25,789,701

-$25,091,288 QoQ

Shares Held

2,370,377

-2.0% QoQ

Ownership

1.53%

of shares outstanding

% of Portfolio

1.88%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

24 quarters on record

Voting authority Sole 90% Shared 0% None 10%

Healthcare · as of Jun 30, 2026

NEXT CENTURY GROWTH INVESTORS LLC holds $90,426,837 across 5 Medical Devices names.

#	Ticker	Company	Shares	Value (USD)
1	AXGN	Axogen, Inc.	872,546	$40,302,899
2	IRTC	iRhythm Holdings, Inc.	187,064	$22,251,262
3	TCMD	Tactile Systems Technology Inc	480,207	$14,300,564
4	SIBN	SI-BONE, Inc.	585,289	$9,551,916
5	GKOS	GLAUKOS Corp	28,765	$4,020,196

24 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$25,789,701	2,370,377	-2.0%	Shares	Sole	2026-05-14
2025-12-31	$50,880,989	2,418,298	+6.1%	Shares	Sole	2026-02-13
2025-09-30	$33,142,228	2,279,383	+10.6%	Shares	Sole	2025-11-14
2025-06-30	$22,874,158	2,060,735	+22.8%	Shares	Sole	2025-08-14
2025-03-31	$17,021,794	1,678,678	+70.9%	Shares	Sole	2025-05-14
2024-12-31	$9,015,613	982,093	+2.4%	Shares	Sole	2025-02-13
2024-09-30	$5,332,217	959,032	-39.8%	Shares	Sole	2024-11-14
2024-06-30	$16,660,570	1,594,313	+0.6%	Shares	Sole	2024-08-14
2024-03-31	$21,856,115	1,584,925	-19.8%	Shares	Sole	2024-05-14
2023-12-31	$29,843,292	1,975,069	+2.1%	Shares	Sole	2024-02-14
2023-09-30	$25,081,736	1,933,827	+8.3%	Shares	Sole	2023-11-14
2023-06-30	$32,099,226	1,785,274	-15.3%	Shares	Sole	2023-08-14
2023-03-31	$32,891,929	2,108,457	-9.1%	Shares	Sole	2023-05-12
2022-12-31	$28,654,013	2,320,163	+21.1%	Shares	Sole	2023-02-14
2022-09-30	$16,750,376	1,916,519	+14.6%	Shares	Sole	2022-11-14
2022-06-30	$10,940,340	1,672,835	-21.4%	Shares	Sole	2022-08-12
2022-03-31	$24,465,962	2,127,475	+8.4%	Shares	Sole	2022-05-13
2021-12-31	$22,427,374	1,962,150	+8.4%	Shares	Sole	2022-02-14
2021-09-30	$22,067,520	1,810,297	+15.9%	Shares	Sole	2021-11-12
2021-06-30	$23,925,044	1,561,687	-11.6%	Shares	Sole	2021-08-13
2021-03-31	$27,899,477	1,766,908	+4.6%	Shares	Sole	2021-05-14
2020-12-31	$24,522,377	1,688,869	+181.0%	Shares	Sole	2021-02-12
2020-09-30	$3,990,646	601,001	-66.2%	Shares	Sole	2020-11-13
2020-03-31	$6,142,107	1,780,321	—	Shares	Sole	2020-05-14
No filing history on record for this holder in this stock.