Alphatec Holdings
ATEC
285 hedge funds and large institutions have $1.23B invested in Alphatec Holdings in 2026 Q1 according to their latest regulatory filings, with 57 funds opening new positions, 108 increasing their positions, 78 reducing their positions, and 50 closing their positions.
250% more call options, than puts
Call options by funds: $67.6M | Put options by funds: $19.3M
38% more repeat investments, than reductions
Existing positions increased: 108 | Existing positions reduced: 78
14% more first-time investments, than exits
New positions opened: 57 | Existing positions closed: 50
1% more funds holding
Funds holding: 283 → 285 (+2)
5.62% less ownership
Funds ownership: 80.36% → 74.74% (-5.6%)
51% less capital invested
Capital invested by funds: $2.51B → $1.23B (-$1.28B)
67% less funds holding in top 10
Funds holding in top 10: 6 → 2 (-4)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
B
Braidwell
Stamford,
Connecticut
|
+$31.6M |
| 2 |
Point72 Asset Management
Stamford,
Connecticut
|
+$20.3M |
| 3 |
HRCM
Hood River Capital Management
Palm Beach Gardens,
Florida
|
+$16.9M |
| 4 |
Raymond James Financial
St Petersburg,
Florida
|
+$14.1M |
| 5 |
OAM
Oberweis Asset Management
Lisle,
Illinois
|
+$13.2M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
DCM
Driehaus Capital Management
Chicago,
Illinois
|
-$60.1M |
| 2 |
Morgan Stanley
New York
|
-$39.2M |
| 3 |
Deutsche Bank
Frankfurt Am Main Ge,
Germany
|
-$29.7M |
| 4 |
Walleye Capital
New York
|
-$20.8M |
| 5 |
WSL
Western Standard LLC
Los Angeles,
California
|
-$17.9M |
ATEC Hedge Fund Activity: Q1 2026 in Review
285 of the 8,187 institutional investors tracked by Wall St. Rank reported a position in Alphatec Holdings (ATEC) for Q1 2026, worth a combined $1.23B — down 51% from $2.51B a quarter earlier.
Buyers outnumbered sellers: 57 funds opened new ATEC positions and 50 closed out — a net gain of 7 holders — while 108 added to existing stakes and 78 trimmed.
The largest buyer was Braidwell, opening a new position worth an estimated $31.6M. The largest seller was Driehaus Capital Management, exiting entirely with an estimated $60.1M sold.
- 285 institutional investors held Alphatec Holdings (ATEC) as of Q1 2026, up from 283 in Q4 2025.
- Funds reported $1.23B of Alphatec Holdings stock for Q1 2026, down 51% quarter-over-quarter.
- 57 funds opened new Alphatec Holdings positions in Q1 2026 and 50 closed out, a net change of +7 holders.
- The largest Alphatec Holdings buyer in Q1 2026 was Braidwell, an estimated $31.6M added.
- The largest Alphatec Holdings seller in Q1 2026 was Driehaus Capital Management, an estimated $60.1M sold.
Based on aggregated 13F filings for Q1 2026.