Alphatec Holdings

ATEC • NASDAQ

Alphatec Holdings is a medical - devices company in the healthcare sector on NASDAQ, led by Terry M. Rich, with a market cap of $3.0B. As of Q3 2025, 73% of shares are held by 267 institutional investors, with BlackRock, Inc. as the largest holder at 7.01%.

Not specifiedTerry M. Rich

Market Cap$3.0B

Medical - Devices

Healthcare

Employees839.0

Websiteatecspine.com

Country

United States of America

Overview

Overview of institutional ownership in ATEC as of Q3 2025 with a market cap of $2.2B

All Institutions

Institutions: 267
Value Held: $1.6B
Shares Held: 108.0M
Avg Position: $5.9M
Median Position: $600.4K

Hedge Funds

Hedge Funds: 46
Value Held: $259.2M
Shares Held: 17.8M
Avg Position: $5.6M
Median Position: $1.6M

Ownership Breakdown

Institutional (non-HF)

60.95%

$1.3B

Hedge Funds

12.05%

$259.2M

Retail & Other

27.0%

$580.9M

Based on market cap of $2.2B as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in ATEC as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
B BlackRock, Inc. Institution	-	$150.8M 0.00% of portfolio	7.01% 10.4M shares	Q1 2017 Held for 8y 8m	$5.67T
VANGUARD GROUP INC Institution	Salim Ramji CEO	$99.1M 0.00% of portfolio	4.61% 6.8M shares	≤ Q2 2013 Held for 12y 5m+	$6.69T
A AMERICAN CENTURY COMPANIES INC Institution	-	$92.1M 0.05% of portfolio	4.28% 6.3M shares	Q2 2023 Held for 2y 5m	$195.93B
R ROYAL BANK OF CANADA Institution	-	$72.9M 0.01% of portfolio	3.39% 5.0M shares	≤ Q2 2013 Held for 12y 5m+	$542.04B
MORGAN STANLEY RIA/Wealth	Jed Finn CEO	$51.7M 0.00% of portfolio	2.40% 3.6M shares	Q4 2015 Held for 9y 11m	$1.65T
B BNP Paribas Investment Partners S.A. Institution	-	$47.3M 0.12% of portfolio	2.20% 3.3M shares	Q4 2023 Held for 1y 11m	$37.9B
$DEUTSCHE BANK AG\ logo$ DEUTSCHE BANK AG\ Institution	Kevin G. Burke CEO	$45.4M 0.02% of portfolio	2.11% 3.1M shares	Q2 2019 Held for 6y 5m	$298.06B
N Nuveen, LLC Institution	-	$42.3M 0.01% of portfolio	1.97% 2.9M shares	Q1 2025 Held for 8 months	$377.89B
GEODE CAPITAL MANAGEMENT LLC ETF Provider	David Kenneth Lane CEO	$40.7M 0.00% of portfolio	1.89% 2.8M shares	≤ Q2 2013 Held for 12y 5m+	$1.57T
STATE STREET CORP Institution	Ronald P. O'Hanley CEO	$39.5M 0.00% of portfolio	1.83% 2.7M shares	Q2 2019 Held for 6y 5m	$2.88T

Net Capital Flow

Institutional buying and selling activity for ATEC in Q3 2025

Traded: +$123.3M
Buyers: 146
Sellers: 108
Total Bought: +$231.9M
Total Sold: −$108.6M
Avg Position: $5.4M

Biggest Buyers

Institution	Net Bought	Current Position
MORGAN STANLEY RIA/Wealth	+$23.9M +1.6M shares	$51.7M 3.6M shares
$DEUTSCHE BANK AG\ logo$ DEUTSCHE BANK AG\ Institution	+$17.9M +1.2M shares	$45.4M 3.1M shares
PRUDENTIAL FINANCIAL INC Institution	+$13.1M +902.8K shares	$15.8M 1.1M shares
B BlackRock, Inc. Institution	+$12.4M +854.3K shares	$150.8M 10.4M shares
TUDOR INVESTMENT CORP ET AL Hedge Fund•Multi-Strategy	+$11.2M +773.4K shares	$13.1M 900.5K shares
A Assenagon Asset Management S.A. Institution	+$10.8M +740.0K shares	$10.9M 750.4K shares
TWO SIGMA INVESTMENTS LLC Hedge Fund•Multi-Strategy	+$9.7M +665.6K shares	$26.1M 1.8M shares
R ROYAL BANK OF CANADA Institution	+$8.1M +560.1K shares	$72.9M 5.0M shares
Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy	+$7.3M +500.5K shares	$24.5M 1.7M shares
TWO SIGMA ADVISERS, LLC Hedge Fund•Multi-Strategy	+$7.2M +497.8K shares	$18.3M 1.3M shares

Biggest Sellers

Institution	Net Sold	Current Position
B BRAIDWELL LP Hedge Fund•Multi-Strategy	−$30.8M −2.1M shares	$22.0M 1.5M shares
B BNP Paribas Investment Partners S.A. Institution	−$10.9M −752.1K shares	$47.3M 3.3M shares
BALYASNY ASSET MANAGEMENT LLC Hedge Fund•Multi-Strategy	−$8.0M −719.5K shares	Sold Off 0 shares
Granite Investment Partners, LLC Long Only Manager	−$5.0M −340.9K shares	$20.1M 1.4M shares
ENVESTNET ASSET MANAGEMENT INC Long Only Manager	−$3.7M −255.2K shares	$1.8M 121.8K shares
J Jump Financial, LLC Institution	−$3.5M −240.8K shares	$5.4M 368.9K shares
MetLife Investment Advisors, LLC Insurance Manager	−$3.2M −221.7K shares	$16.0M 1.1M shares
BANK OF AMERICA CORP /DE/ Institution	−$2.9M −201.9K shares	$37.6M 2.6M shares
C Cubist Systematic Strategies, LLC Institution	−$2.9M −200.8K shares	$9.9M 679.1K shares
UBS GLOBAL ASSET MANAGEMENT AMERICAS INC Long Only Manager	−$2.8M −195.9K shares	$4.0M 271.9K shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited ATEC in Q3 2025

New Positions: 26
New Value: $8.8M
Exited Positions: 22
Exited Value: $15.9M

New Positions

Institution	Position Value
O OSSIAM Institution	$2.8M 192.1K shares
C Colony Group, LLC Institution	$1.2M 9.5K shares
LEUCADIA NATIONAL CORP Institution	$799.7K 55.0K shares
SUMMIT WEALTH GROUP LLC / CO RIA/Wealth	$518.6K 40.0K shares
O OMERS ADMINISTRATION Corp Institution	$447.8K 30.8K shares
NAVELLIER & ASSOCIATES INC RIA/Wealth	$429.7K 29.6K shares
Gotham Asset Management, LLC Hedge Fund•Long/Short	$368.9K 25.4K shares
Voleon Capital Management LP Hedge Fund•Quant	$290.5K 20.0K shares
Rhenman & Partners Asset Management AB RIA/Wealth	$261.7K 18.0K shares
CONTRAVISORY INVESTMENT MANAGEMENT, INC. Long Only Manager	$257.1K 17.7K shares

Exited Positions

Institution	Previous Position
BALYASNY ASSET MANAGEMENT LLC Hedge Fund•Multi-Strategy	$8.0M 719.5K shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$1.6M 143.0K shares
UBS OCONNOR LLC Long Only Manager	$1.3M 119.1K shares
VOLORIDGE INVESTMENT MANAGEMENT, LLC Hedge Fund•Multi-Strategy	$782.0K 70.5K shares
M Manatuck Hill Partners, LLC Hedge Fund•Long/Short	$777.0K 70.0K shares
D Dynamic Technology Lab Private Ltd Institution	$662.0K 59.6K shares
F FOX RUN MANAGEMENT, L.L.C. Hedge Fund•Quant	$470.8K 42.4K shares
Numerai GP LLC Hedge Fund•Quant	$347.9K 31.3K shares
O OPTIONS SOLUTIONS, LLC Hedge Fund•Sector	$235.9K 21.3K shares
Mount Yale Investment Advisors, LLC RIA/Wealth	$229.2K 20.7K shares

Options Activity

Institutions with the largest Call and Put options positions in ATEC as of Q3 2025

Call Positions: 12
Call Value: $113.6M
Put Positions: 8
Put Value: $16.9M

Call Positions

Institution	Position Value
UBS Group AG Institution	$75.8M 52.1K contracts
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$14.6M 10.0K contracts
Caption Management, LLC Hedge Fund•Long/Short	$8.0M 5.5K contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$4.0M 2.7K contracts
P PEAK6 LLC Institution	$3.0M 2.1K contracts
J JANE STREET GROUP, LLC Institution	$3.0M 2.1K contracts
R ROYAL BANK OF CANADA Institution	$2.9M 2.0K contracts
$DEUTSCHE BANK AG\ logo$ DEUTSCHE BANK AG\ Institution	$1.3M 900.0 contracts
P Parallax Volatility Advisers, LLC Hedge Fund•Vol Arbitrage	$727.0K 500.0 contracts
Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy	$181.8K 125.0 contracts

Put Positions

Institution	Position Value
Intrinsic Edge Capital Management LLC Hedge Fund•Multi-Strategy	$12.8M 8.8K contracts
R ROYAL BANK OF CANADA Institution	$1.5M 1.0K contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$1.2M 822.0 contracts
J JANE STREET GROUP, LLC Institution	$660.1K 454.0 contracts
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$629.6K 433.0 contracts
P PEAK6 LLC Institution	$68.3K 47.0 contracts
Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy	$61.1K 42.0 contracts
W WOLVERINE TRADING, LLC Institution	- - contracts

Most Committed Institutions

Institutions with ATEC as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
Western Standard, LLC Hedge Fund•Long/Short	Eric David Andersen Managing Partner	9.76% $18.3M	0.85% 1.3M shares	Q4 2024 Held for 11 months	$187.0M
K Kopp Family Office, LLC Institution	-	3.45% $5.3M	0.25% 365.1K shares	Q1 2025 Held for 8 months	$153.6M
Intrinsic Edge Capital Management LLC Hedge Fund•Multi-Strategy	Mark David Coe Managing Partner	2.85% $18.8M	0.87% 1.3M shares	Q1 2023 Held for 2y 8m	$658.6M
NEXT CENTURY GROWTH INVESTORS LLC Long Only Manager	Thomas Leigh Press CEO	2.45% $33.1M	1.54% 2.3M shares	Q2 2019 Held for 6y 5m	$1.4B
PERKINS CAPITAL MANAGEMENT INC RIA/Wealth	Harry Allen Lee Lindberg President	2.22% $2.5M	0.12% 173.3K shares	Q3 2020 Held for 5y 2m	$113.5M
PENN CAPITAL MANAGEMENT CO INC Long Only Manager	Pamela Marie Lawrence President	1.75% $22.8M	1.06% 1.6M shares	Q1 2019 Held for 6y 8m	$1.3B
Granite Investment Partners, LLC Long Only Manager	Peter Orlando Lopez Managing Partner	1.14% $20.1M	0.93% 1.4M shares	Q1 2024 Held for 1y 8m	$1.8B
Parkman Healthcare Partners LLC Hedge Fund•Long/Short	Gregory Arthur Martinez CIO	1.11% $10.1M	0.47% 697.0K shares	Q1 2024 Held for 1y 8m	$910.1M
M Motley Fool Wealth Management, LLC Institution	-	0.96% $14.1M	0.65% 967.9K shares	Q1 2025 Held for 8 months	$1.5B
B BRAIDWELL LP Hedge Fund•Multi-Strategy	Brian James Kreiter CEO	0.89% $22.0M	1.02% 1.5M shares	Q2 2024 Held for 1y 5m	$2.5B

Hedge Fund Spotlight

Discover hedge funds investing in ATEC

AIGEN INVESTMENT MANAGEMENT, LP

Hedge Fund • Long/Short

Portfolio ManagerJuhua Zhu

Portfolio Value: $646.1M
Positions: 764
Last Reported: Q3 2025

Sector Allocation

Position in Alphatec Holdings

Market Value: $198.8K
Shares Held: 13.7K
Portfolio Weight: 0.03%
Owned Since: 2025-Q3

Top Holding	Sector	Market Value	Weight
1 Meta Platforms, Inc. META	Internet Content & Information Communication Services	$7.1M	1.10%
2 Honeywell International HON	Conglomerates Industrials	$7.1M	1.10%
3 Boston Scientific BSX	Medical - Devices Healthcare	$6.7M	1.04%