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, 67 reducing their positions, and 34 closing their positions.
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)
21.17% more ownership
Funds ownership: 59.75% → 80.93% (+21%)
21% more repeat investments, than reductions
Existing positions increased: 81 | Existing positions reduced: 67
21% more first-time investments, than exits
New positions opened: 41 | Existing positions closed: 34
1% more funds holding
Funds holding: 228 → 230 (+2)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Nuveen
Charlotte,
North Carolina
|
+$116M |
| 2 |
MIM
MetLife Investment Management
Whippany,
New Jersey
|
+$12.4M |
| 3 |
DCM
Driehaus Capital Management
Chicago,
Illinois
|
+$11M |
| 4 |
MFWM
Motley Fool Wealth Management
Alexandria,
Virginia
|
+$9.6M |
| 5 |
American Century Companies
Kansas City,
Missouri
|
+$9.03M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Artisan Partners
Milwaukee,
Wisconsin
|
-$10.8M |
| 2 |
Millennium Management
New York
|
-$7.82M |
| 3 |
MF
Magnetar Financial
Evanston,
Illinois
|
-$6.52M |
| 4 |
Goldman Sachs
New York
|
-$3.45M |
| 5 |
BlackRock
New York
|
-$2.53M |
ATEC Hedge Fund Activity: Q1 2025 in Review
230 of the 7,472 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 67 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.