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Alphatec Holdings
ATEC

230 hedge funds and large institutions have $2.64B invested in Alphatec Holdings in 2025 Q1 according to their latest regulatory filings, with 41 funds opening new positions, 81 increasing their positions, 66 reducing their positions, and 34 closing their positions.

New
Increased
Maintained
Reduced
Closed

636% more call options, than puts

Call options by funds: $68.1M | Put options by funds: $9.26M

239% more capital invested

Capital invested by funds: $778M → $2.64B (+$1.86B)

100% more funds holding in top 10

Funds holding in top 10: 1 → 2 (+1)

23% more repeat investments, than reductions

Existing positions increased: 81 | Existing positions reduced: 66

21.17% more ownership

Funds ownership: 59.75% → 80.93% (+21%)

21% more first-time investments, than exits

New positions opened: 41 | Existing positions closed: 34

1% more funds holding

Funds holding: 228 → 230 (+2)

Holders
230
Holders Change
+2
Holders Change %
+0.88%
% of All Funds
3.08%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.03%
New
41
Increased
81
Reduced
66
Closed
34
Calls
$68.1M
Puts
$9.26M
Net Calls
+$58.9M
Net Calls Change
+$47.1M

Top Buyers

1
N
Nuveen
North Carolina
+$116M
2
MIM
MetLife Investment Management
New Jersey
+$12.4M
3
DCM
Driehaus Capital Management
Illinois
+$11M
4
MFWM
Motley Fool Wealth Management
Virginia
+$9.6M
5
American Century Companies
American Century Companies
Missouri
+$9.03M

Top Sellers

1
Artisan Partners
Artisan Partners
Wisconsin
-$10.8M
2
Millennium Management
Millennium Management
New York
-$7.82M
3
MF
Magnetar Financial
Illinois
-$6.52M
4
Goldman Sachs
Goldman Sachs
New York
-$3.45M
5
BlackRock
BlackRock
New York
-$2.53M
Name Holding Trade Value Shares
Change 		Change in
Stake
LCG
51
Lisanti Capital Growth
New York
$3.52M +$3.73M +347,280 New
Russell Investments Group
52
Russell Investments Group
United Kingdom
$3.41M +$1.47M +136,577 +68%
Millennium Management
53
Millennium Management
New York
$3.4M -$7.82M -728,884 -69%
GLA
54
Great Lakes Advisors
Illinois
$3.3M -$579K -53,960 -14%
PNC Financial Services Group
55
PNC Financial Services Group
Pennsylvania
$3.17M – – –
D.E. Shaw & Co
56
D.E. Shaw & Co
New York
$3.08M +$3.26M +303,397 New
Two Sigma Advisers
57
Two Sigma Advisers
New York
$3.05M +$1.66M +155,000 +106%
Mercer Global Advisors
58
Mercer Global Advisors
Colorado
$3.04M +$120K +11,177 +4%
UBS Group
59
UBS Group
Switzerland
$3.02M -$1.89M -175,993 -37%
DIG
60
DeepCurrents Investment Group
New York
$2.73M +$2.89M +269,226 New
RSCM
61
Rock Springs Capital Management
Maryland
$2.71M +$725K +67,500 +34%
UBS AM
62
UBS AM
Illinois
$2.7M +$443K +41,264 +18%
Balyasny Asset Management
63
Balyasny Asset Management
Illinois
$2.67M -$885K -82,405 -24%
MCM
64
Marathon Capital Management
Maryland
$2.42M -$18.2K -1,700 -0.7%
BNP Paribas Financial Markets
65
BNP Paribas Financial Markets
France
$2.38M -$1.57M -146,399 -38%
ZBNA
66
Zions Bancorporation, National Association
Utah
$2.24M +$2.37M +220,941 New
Renaissance Technologies
67
Renaissance Technologies
New York
$2.19M -$812K -75,632 -26%
EGM
68
Engineers Gate Manager
New York
$2.14M +$2.27M +211,333 New
Swiss National Bank
69
Swiss National Bank
Switzerland
$2.1M – – –
First Trust Advisors
70
First Trust Advisors
Illinois
$2.07M +$2.19M +204,187 New
JF
71
Jump Financial
Illinois
$2.06M +$33.3K +3,105 +2%
UOC
72
UBS O'Connor
Illinois
$1.97M -$40.3K -3,755 -2%
Squarepoint
73
Squarepoint
New York
$1.96M +$1.53M +142,562 +280%
PCM
74
Perkins Capital Management
Minnesota
$1.83M -$11.3K -1,050 -0.6%
Prudential Financial
75
Prudential Financial
New Jersey
$1.76M +$1.86M +173,103 New
1 2
3
4 5

ATEC Hedge Fund Activity: Q1 2025 in Review

230 of the 7,457 institutional investors tracked by Wall St. Rank reported a position in Alphatec Holdings (ATEC) for Q1 2025, worth a combined $2.64B — up 239% from $778M a quarter earlier.

Buyers outnumbered sellers: 41 funds opened new ATEC positions and 34 closed out — a net gain of 7 holders — while 81 added to existing stakes and 66 trimmed.

The largest buyer was Nuveen, adding an estimated $116M. The largest seller was Artisan Partners, exiting entirely with an estimated $10.8M sold.

  • 230 institutional investors held Alphatec Holdings (ATEC) as of Q1 2025, up from 228 in Q4 2024.
  • Funds reported $2.64B of Alphatec Holdings stock for Q1 2025, up 239% quarter-over-quarter.
  • 41 funds opened new Alphatec Holdings positions in Q1 2025 and 34 closed out, a net change of +7 holders.
  • The largest Alphatec Holdings buyer in Q1 2025 was Nuveen, an estimated $116M added.
  • The largest Alphatec Holdings seller in Q1 2025 was Artisan Partners, an estimated $10.8M sold.

Based on aggregated 13F filings for Q1 2025.