Amplify Blockchain Technology ETF
BLOK
253 hedge funds and large institutions have $428M invested in Amplify Blockchain Technology ETF in 2025 Q4 according to their latest regulatory filings, with 41 funds opening new positions, 86 increasing their positions, 63 reducing their positions, and 39 closing their positions.
37% more call options, than puts
Call options by funds: $2.1M | Put options by funds: $1.53M
37% more repeat investments, than reductions
Existing positions increased: 86 | Existing positions reduced: 63
1.55% more ownership
Funds ownership: 37.12% → 38.67% (+1.6%)
5% more first-time investments, than exits
New positions opened: 41 | Existing positions closed: 39
0% more funds holding in top 10
Funds holding in top 10: 3 → 3 (0)
0% less funds holding
Funds holding: 254 → 253 (-1)
20% less capital invested
Capital invested by funds: $535M → $428M (-$107M)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Morgan Stanley
New York
|
+$12.3M |
| 2 |
GI
Gradient Investments
Arden Hills,
Minnesota
|
+$4.04M |
| 3 |
D.E. Shaw & Co
New York
|
+$3.78M |
| 4 |
P
&Partners
Nashville,
Tennessee
|
+$2.86M |
| 5 |
LPL Financial
San Diego,
California
|
+$2.58M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
CIA
Concurrent Investment Advisors
Tampa,
Florida
|
-$39.2M |
| 2 |
Jane Street
New York
|
-$8.89M |
| 3 |
OC
Oppenheimer & Co
New York
|
-$6.57M |
| 4 |
PCA
Prosperity Capital Advisors
Westlake,
Ohio
|
-$5.96M |
| 5 |
AIP
Almanack Investment Partners
Wayne,
Pennsylvania
|
-$3.65M |
BLOK Hedge Fund Activity: Q4 2025 in Review
253 of the 8,284 institutional investors tracked by Wall St. Rank reported a position in Amplify Blockchain Technology ETF (BLOK) for Q4 2025, worth a combined $428M — down 20% from $535M a quarter earlier.
Buyers outnumbered sellers: 41 funds opened new BLOK positions and 39 closed out — a net gain of 2 holders — while 86 added to existing stakes and 63 trimmed.
The largest buyer was Morgan Stanley, adding an estimated $12.3M. The largest seller was Concurrent Investment Advisors, exiting entirely with an estimated $39.2M sold.
- 253 institutional investors held Amplify Blockchain Technology ETF (BLOK) as of Q4 2025, down from 254 in Q3 2025.
- Funds reported $428M of Amplify Blockchain Technology ETF stock for Q4 2025, down 20% quarter-over-quarter.
- 41 funds opened new Amplify Blockchain Technology ETF positions in Q4 2025 and 39 closed out, a net change of +2 holders.
- The largest Amplify Blockchain Technology ETF buyer in Q4 2025 was Morgan Stanley, an estimated $12.3M added.
- The largest Amplify Blockchain Technology ETF seller in Q4 2025 was Concurrent Investment Advisors, an estimated $39.2M sold.
Based on aggregated 13F filings for Q4 2025.