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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
PCM
251
Prelude Capital Management
New York
– -$128K -13,920 Closed
Lido Advisors
252
Lido Advisors
California
– -$112K -12,247 Closed
SI
253
Stephens Inc
Arkansas
– -$96.5K -10,513 Closed
WC
254
Wexford Capital
Florida
– -$94.9K -10,341 Closed
AG
255
AlTi Global
New York
– -$91.8K -10,000 Closed
AIS
256
AM Investment Strategies
Tennessee
– -$92K -10,000 Closed
ERWM
257
Elk River Wealth Management
Colorado
– -$91.8K -10,000 Closed
SOW
258
State of Wyoming
Wyoming
– -$86K -9,369 Closed
RS
259
R Squared
Hong Kong
– -$29.4K -3,200 Closed
AIM
260
Arcadia Investment Management
Michigan
– -$23.4K -2,545 Closed
CAS
261
Coppell Advisory Solutions
Texas
– -$20.7K -1,827 Closed
ACM
262
Aster Capital Management
United Arab Emirates
– -$11.9K -1,294 Closed
C
263
Covestor
United Kingdom
– -$86 -8 -42%
EC
264
Elequin Capital
New York
– -$37 -4 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.