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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
TCM
226
TD Capital Management
Tennessee
$436 +$462 +43 New
IA
227
IFP Advisors
Florida
$416 – – –
SC
228
Stephens Consulting
Michigan
$406 +$429 +40 New
HCP
229
Hexagon Capital Partners
Arkansas
$193 +$204 +19 New
Artisan Partners
230
Artisan Partners
Wisconsin
– -$10.8M -1,180,693 Closed
MF
231
Magnetar Financial
Illinois
– -$6.52M -710,576 Closed
ACM
232
Altium Capital Management
New York
– -$2.43M -264,562 Closed
Alyeska Investment Group
233
Alyeska Investment Group
Illinois
– -$2.28M -248,846 Closed
GCP
234
GSA Capital Partners
United Kingdom
– -$1.43M -155,850 Closed
DSCM
235
Divisadero Street Capital Management
Florida
– -$1.1M -119,348 Closed
BFM
236
Boothbay Fund Management
New York
– -$976K -106,309 Closed
SAM
237
Soviero Asset Management
New York
– -$918K -100,000 Closed
Jennison Associates
238
Jennison Associates
New York
– -$765K -83,303 Closed
GCM
239
Graham Capital Management
Connecticut
– -$487K -53,069 Closed
BCM
240
Bayesian Capital Management
New York
– -$454K -49,500 Closed
IMC Chicago
241
IMC Chicago
Illinois
– -$385K -35,866 Closed
Group One Trading
242
Group One Trading
Illinois
– -$322K -30,030 Closed
Man Group
243
Man Group
United Kingdom
– -$251K -27,330 Closed
XT
244
XTX Topco
Cayman Islands
– -$246K -26,746 Closed
PA
245
PharVision Advisers
Florida
– -$201K -21,895 Closed
LF
246
Lee Financial
Texas
– -$188K -20,431 Closed
Pathstone Holdings
247
Pathstone Holdings
New Jersey
– -$172K -18,736 Closed
PD
248
Point72 (DIFC)
United Arab Emirates
– -$172K -18,689 Closed
M&T Bank
249
M&T Bank
New York
– -$170K -18,488 Closed
OR
250
Olympiad Research
Connecticut
– -$160K -17,401 Closed
7 8 9
10
11

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.