Amplify Cybersecurity ETF
HACK
369 hedge funds and large institutions have $572M invested in Amplify Cybersecurity ETF in 2025 Q4 according to their latest regulatory filings, with 47 funds opening new positions, 99 increasing their positions, 110 reducing their positions, and 35 closing their positions.
50% more funds holding in top 10
Funds holding in top 10: 2 → 3 (+1)
34% more first-time investments, than exits
New positions opened: 47 | Existing positions closed: 35
33% more call options, than puts
Call options by funds: $1.54M | Put options by funds: $1.16M
2.94% more ownership
Funds ownership: 24.4% → 27.35% (+2.9%)
2% more funds holding
Funds holding: 363 → 369 (+6)
1% less capital invested
Capital invested by funds: $580M → $572M (-$7.95M)
10% less repeat investments, than reductions
Existing positions increased: 99 | Existing positions reduced: 110
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Thrivent Financial for Lutherans
Minneapolis,
Minnesota
|
+$28.5M |
| 2 |
Corient Private Wealth
Miami,
Florida
|
+$10M |
| 3 |
FTUS
Flow Traders U.S.
New York
|
+$4.12M |
| 4 |
MML Investors Services
Springfield,
Massachusetts
|
+$2.17M |
| 5 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
+$1.88M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
CIAS
Capital Investment Advisory Services
Raleigh,
North Carolina
|
-$4.84M |
| 2 |
OC
Oppenheimer & Co
New York
|
-$3.74M |
| 3 |
ASN
Advisory Services Network
Atlanta,
Georgia
|
-$2.92M |
| 4 |
Citadel Advisors
Miami,
Florida
|
-$1.72M |
| 5 |
FCC
Florin Court Capital
London,
United Kingdom
|
-$1.6M |
HACK Hedge Fund Activity: Q4 2025 in Review
369 of the 8,223 institutional investors tracked by Wall St. Rank reported a position in Amplify Cybersecurity ETF (HACK) for Q4 2025, worth a combined $572M — down 1.4% from $580M a quarter earlier.
Buyers outnumbered sellers: 47 funds opened new HACK positions and 35 closed out — a net gain of 12 holders — while 99 added to existing stakes and 110 trimmed.
The largest buyer was Thrivent Financial for Lutherans, opening a new position worth an estimated $28.5M. The largest seller was Capital Investment Advisory Services, cutting an estimated $4.84M.
- 369 institutional investors held Amplify Cybersecurity ETF (HACK) as of Q4 2025, up from 363 in Q3 2025.
- Funds reported $572M of Amplify Cybersecurity ETF stock for Q4 2025, down 1.4% quarter-over-quarter.
- 47 funds opened new Amplify Cybersecurity ETF positions in Q4 2025 and 35 closed out, a net change of +12 holders.
- The largest Amplify Cybersecurity ETF buyer in Q4 2025 was Thrivent Financial for Lutherans, an estimated $28.5M added.
- The largest Amplify Cybersecurity ETF seller in Q4 2025 was Capital Investment Advisory Services, an estimated $4.84M sold.
Based on aggregated 13F filings for Q4 2025.