Amplify Cybersecurity ETF
HACK
364 hedge funds and large institutions have $591M invested in Amplify Cybersecurity ETF in 2025 Q3 according to their latest regulatory filings, with 23 funds opening new positions, 107 increasing their positions, 91 reducing their positions, and 25 closing their positions.
213% more call options, than puts
Call options by funds: $3.7M | Put options by funds: $1.18M
18% more repeat investments, than reductions
Existing positions increased: 107 | Existing positions reduced: 91
8% less first-time investments, than exits
New positions opened: 23 | Existing positions closed: 25
2% less funds holding
Funds holding: 372 → 364 (-8)
2.63% less ownership
Funds ownership: 27.46% → 24.84% (-2.6%)
50% less funds holding in top 10
Funds holding in top 10: 6 → 3 (-3)
56% less capital inflows, than outflows
Capital inflows: $43.4M | Capital outflows: $99.2M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Stifel Financial
St. Louis,
Missouri
|
+$3.3M |
| 2 |
Flow Traders U.S.
New York
|
+$2.98M |
| 3 |
Sowell Financial Services
North Little Rock,
Arkansas
|
+$2.61M |
| 4 |
Rockefeller Capital Management
New York
|
+$2.51M |
| 5 |
HighTower Advisors
Chicago,
Illinois
|
+$2.48M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Thrivent Financial for Lutherans
Minneapolis,
Minnesota
|
-$19.9M |
| 2 |
NSLI
Nan Shan Life Insurance
Taipei City,
Taiwan
|
-$18.9M |
| 3 |
Envestnet Asset Management
Chicago,
Illinois
|
-$16.1M |
| 4 |
Cetera Investment Advisers
Schaumburg,
Illinois
|
-$5.25M |
| 5 |
Northwestern Mutual Wealth Management
Milwaukee,
Wisconsin
|
-$3.75M |
HACK Hedge Fund Activity: Q3 2025 in Review
364 of the 7,647 institutional investors tracked by Wall St. Rank reported a position in Amplify Cybersecurity ETF (HACK) for Q3 2025, worth a combined $591M — down 9% from $649M a quarter earlier.
Sellers outnumbered buyers: 25 funds closed out of HACK and 23 opened new positions — a net loss of 2 holders — while 91 trimmed existing stakes and 107 added.
The largest buyer was Stifel Financial, adding an estimated $3.3M. The largest seller was Thrivent Financial for Lutherans, exiting entirely with an estimated $19.9M sold.
- 364 institutional investors held Amplify Cybersecurity ETF (HACK) as of Q3 2025, down from 372 in Q2 2025.
- Funds reported $591M of Amplify Cybersecurity ETF stock for Q3 2025, down 9% quarter-over-quarter.
- 23 funds opened new Amplify Cybersecurity ETF positions in Q3 2025 and 25 closed out, a net change of -2 holders.
- The largest Amplify Cybersecurity ETF buyer in Q3 2025 was Stifel Financial, an estimated $3.3M added.
- The largest Amplify Cybersecurity ETF seller in Q3 2025 was Thrivent Financial for Lutherans, an estimated $19.9M sold.
Based on aggregated 13F filings for Q3 2025.