Alphatec Holdings
ATEC
274 hedge funds and large institutions have $1.57B invested in Alphatec Holdings in 2025 Q3 according to their latest regulatory filings, with 61 funds opening new positions, 87 increasing their positions, 90 reducing their positions, and 23 closing their positions.
594% more call options, than puts
Call options by funds: $119M | Put options by funds: $17.1M
400% more funds holding in top 10
Funds holding in top 10: 1 → 5 (+4)
165% more first-time investments, than exits
New positions opened: 61 | Existing positions closed: 23
41% more capital invested
Capital invested by funds: $1.12B → $1.57B (+$454M)
15% more funds holding
Funds holding: 238 → 274 (+36)
3.97% more ownership
Funds ownership: 69.17% → 73.14% (+4%)
3% less repeat investments, than reductions
Existing positions increased: 87 | Existing positions reduced: 90
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Morgan Stanley
New York
|
+$22.8M |
| 2 |
Deutsche Bank
Frankfurt Am Main Ge,
Germany
|
+$17.1M |
| 3 |
Prudential Financial
Newark,
New Jersey
|
+$12.6M |
| 4 |
BlackRock
New York
|
+$11.9M |
| 5 |
Tudor Investment Corp
Stamford,
Connecticut
|
+$10.8M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
B
Braidwell
Stamford,
Connecticut
|
-$29.5M |
| 2 |
Marshall Wace
London,
United Kingdom
|
-$11.7M |
| 3 |
BNP Paribas Asset Management
Paris,
France
|
-$10.5M |
| 4 |
Balyasny Asset Management
Chicago,
Illinois
|
-$7.99M |
| 5 |
GIP
Granite Investment Partners
El Segundo,
California
|
-$4.75M |
ATEC Hedge Fund Activity: Q3 2025 in Review
274 of the 7,640 institutional investors tracked by Wall St. Rank reported a position in Alphatec Holdings (ATEC) for Q3 2025, worth a combined $1.57B — up 41% from $1.12B a quarter earlier.
Buyers outnumbered sellers: 61 funds opened new ATEC positions and 23 closed out — a net gain of 38 holders — while 87 added to existing stakes and 90 trimmed.
The largest buyer was Morgan Stanley, adding an estimated $22.8M. The largest seller was Braidwell, cutting an estimated $29.5M.
- 274 institutional investors held Alphatec Holdings (ATEC) as of Q3 2025, up from 238 in Q2 2025.
- Funds reported $1.57B of Alphatec Holdings stock for Q3 2025, up 41% quarter-over-quarter.
- 61 funds opened new Alphatec Holdings positions in Q3 2025 and 23 closed out, a net change of +38 holders.
- The largest Alphatec Holdings buyer in Q3 2025 was Morgan Stanley, an estimated $22.8M added.
- The largest Alphatec Holdings seller in Q3 2025 was Braidwell, an estimated $29.5M sold.
Based on aggregated 13F filings for Q3 2025.