AmpliTech
AMPG
42 hedge funds and large institutions have $28M invested in AmpliTech in 2025 Q4 according to their latest regulatory filings, with 14 funds opening new positions, 15 increasing their positions, 8 reducing their positions, and 3 closing their positions.
8,306% more call options, than puts
Call options by funds: $1.51M | Put options by funds: $18K
367% more first-time investments, than exits
New positions opened: 14 | Existing positions closed: 3
108% more capital invested
Capital invested by funds: $13.4M → $28M (+$14.6M)
88% more repeat investments, than reductions
Existing positions increased: 15 | Existing positions reduced: 8
35% more funds holding
Funds holding: 31 → 42 (+11)
19.49% more ownership
Funds ownership: 16.8% → 36.29% (+19%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Vanguard Group
Malvern,
Pennsylvania
|
+$1.56M |
| 2 |
Renaissance Technologies
New York
|
+$535K |
| 3 |
GCP
GSA Capital Partners
London,
United Kingdom
|
+$522K |
| 4 |
SEI Investments
Oaks,
Pennsylvania
|
+$360K |
| 5 |
Jane Street
New York
|
+$334K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
IWC
Integrated Wealth Concepts
Waltham,
Massachusetts
|
-$752K |
| 2 |
Morgan Stanley
New York
|
-$669K |
| 3 |
BA
Bard Associates
Chicago,
Illinois
|
-$77.7K |
| 4 |
Squarepoint
New York
|
-$24.4K |
| 5 |
Millennium Management
New York
|
-$20.4K |
AMPG Hedge Fund Activity: Q4 2025 in Review
42 of the 8,281 institutional investors tracked by Wall St. Rank reported a position in AmpliTech (AMPG) for Q4 2025, worth a combined $28M — up 108% from $13.4M a quarter earlier.
Buyers outnumbered sellers: 14 funds opened new AMPG positions and 3 closed out — a net gain of 11 holders — while 15 added to existing stakes and 8 trimmed.
The largest buyer was Vanguard Group, adding an estimated $1.56M. The largest seller was Integrated Wealth Concepts, exiting entirely with an estimated $752K sold.
- 42 institutional investors held AmpliTech (AMPG) as of Q4 2025, up from 31 in Q3 2025.
- Funds reported $28M of AmpliTech stock for Q4 2025, up 108% quarter-over-quarter.
- 14 funds opened new AmpliTech positions in Q4 2025 and 3 closed out, a net change of +11 holders.
- The largest AmpliTech buyer in Q4 2025 was Vanguard Group, an estimated $1.56M added.
- The largest AmpliTech seller in Q4 2025 was Integrated Wealth Concepts, an estimated $752K sold.
Based on aggregated 13F filings for Q4 2025.