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Alphatec Holdings

238 hedge funds and large institutions have $1.12B invested in Alphatec Holdings in 2025 Q2 according to their latest regulatory filings, with 33 funds opening new positions, 105 increasing their positions, 65 reducing their positions, and 24 closing their positions.

New
Increased
Maintained
Reduced
Closed

627% more call options, than puts

Call options by funds: $85.6M | Put options by funds: $11.8M

62% more repeat investments, than reductions

Existing positions increased: 105 | Existing positions reduced: 65

38% more first-time investments, than exits

New positions opened: 33 | Existing positions closed: 24

3% more funds holding

Funds holding: 230238 (+8)

11.76% less ownership

Funds ownership: 80.93%69.17% (-12%)

50% less funds holding in top 10

Funds holding in top 10: 21 (-1)

58% less capital invested

Capital invested by funds: $2.64B → $1.12B (-$1.52B)

Holders
238
Holders Change
+8
Holders Change %
+3.48%
% of All Funds
3.13%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.01%
New
33
Increased
105
Reduced
65
Closed
24
Calls
$85.6M
Puts
$11.8M
Net Calls
+$73.8M
Net Calls Change
+$14.9M
Name Holding Trade Value Shares
Change
Change in
Stake
RhumbLine Advisers
76
RhumbLine Advisers
Massachusetts
$1.91M +$268K +23,293 +16%
Citadel Advisors
77
Citadel Advisors
Florida
$1.87M -$4.49M -390,916 -70%
I
78
INVST
Indiana
$1.76M
Susquehanna International Group
79
Susquehanna International Group
Pennsylvania
$1.59M +$184K +15,997 +13%
Verition Fund Management
80
Verition Fund Management
Connecticut
$1.58M +$898K +78,168 +122%
Tudor Investment Corp
81
Tudor Investment Corp
Connecticut
$1.41M -$3.34M -290,542 -70%
Legal & General Group
82
Legal & General Group
United Kingdom
$1.36M +$148K +12,911 +12%
UOC
83
UBS O'Connor
Illinois
$1.32M -$863K -75,143 -39%
AllianceBernstein
84
AllianceBernstein
Tennessee
$1.29M +$159K +13,800 +14%
HighTower Advisors
85
HighTower Advisors
Illinois
$1.13M +$595K +51,793 +103%
CS
86
Cannell & Spears
New York
$1.11M
California State Teachers Retirement System (CalSTRS)
87
California State Teachers Retirement System (CalSTRS)
California
$1.09M
Janus Henderson Group
88
Janus Henderson Group
United Kingdom
$1.06M +$522K +45,473 +91%
HWM
89
HighMark Wealth Management
Minnesota
$1.05M
ACM
90
Aquatic Capital Management
Illinois
$1.03M +$268K +23,349 +34%
CWM
91
Congress Wealth Management
Massachusetts
$1.03M -$1.22K -106 -0.1%
WWM
92
Western Wealth Management
Colorado
$1.02M +$51.2K +4,461 +5%
Jane Street
93
Jane Street
New York
$955K -$599K -52,118 -38%
IIM
94
INTECH Investment Management
Florida
$929K +$289K +25,179 +43%
Mirae Asset Global ETFs Holdings
95
Mirae Asset Global ETFs Holdings
Hong Kong
$885K +$65.6K +5,712 +8%
T. Rowe Price Associates
96
T. Rowe Price Associates
Maryland
$871K +$137K +11,901 +18%
SEI Investments
97
SEI Investments
Pennsylvania
$869K +$191K +16,645 +27%
DFCM
98
Dark Forest Capital Management
Puerto Rico
$827K -$189K -16,476 -18%
Wells Fargo
99
Wells Fargo
California
$824K +$88.3K +7,688 +12%
Stifel Financial
100
Stifel Financial
Missouri
$802K +$78.5K +6,835 +10%

ATEC Hedge Fund Activity: Q2 2025 in Review

238 of the 7,596 institutional investors tracked by Wall St. Rank reported a position in Alphatec Holdings (ATEC) for Q2 2025, worth a combined $1.12B — down 58% from $2.64B a quarter earlier.

Buyers outnumbered sellers: 33 funds opened new ATEC positions and 24 closed out — a net gain of 9 holders — while 105 added to existing stakes and 65 trimmed.

The largest buyer was Granite Investment Partners, adding an estimated $15.1M. The largest seller was Nuveen, cutting an estimated $125M.

  • 238 institutional investors held Alphatec Holdings (ATEC) as of Q2 2025, up from 230 in Q1 2025.
  • Funds reported $1.12B of Alphatec Holdings stock for Q2 2025, down 58% quarter-over-quarter.
  • 33 funds opened new Alphatec Holdings positions in Q2 2025 and 24 closed out, a net change of +9 holders.
  • The largest Alphatec Holdings buyer in Q2 2025 was Granite Investment Partners, an estimated $15.1M added.
  • The largest Alphatec Holdings seller in Q2 2025 was Nuveen, an estimated $125M sold.

Based on aggregated 13F filings for Q2 2025.