Amkor Technology
AMKR
348 hedge funds and large institutions have $2.37B invested in Amkor Technology in 2025 Q2 according to their latest regulatory filings, with 55 funds opening new positions, 140 increasing their positions, 118 reducing their positions, and 50 closing their positions.
50% more funds holding in top 10
Funds holding in top 10: 2 → 3 (+1)
21% more capital invested
Capital invested by funds: $1.96B → $2.37B (+$408M)
19% more repeat investments, than reductions
Existing positions increased: 140 | Existing positions reduced: 118
10% more first-time investments, than exits
New positions opened: 55 | Existing positions closed: 50
1.71% more ownership
Funds ownership: 44% → 45.72% (+1.7%)
0% more funds holding
Funds holding: 347 → 348 (+1)
91% less call options, than puts
Call options by funds: $21.5M | Put options by funds: $230M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
+$69M |
| 2 |
EARNEST Partners
Atlanta,
Georgia
|
+$38.6M |
| 3 |
GAM
Gotham Asset Management
New York
|
+$21.9M |
| 4 |
AQR Capital Management
Greenwich,
Connecticut
|
+$18.2M |
| 5 |
Millennium Management
New York
|
+$17.2M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AllianceBernstein
Nashville,
Tennessee
|
-$54.6M |
| 2 |
Vanguard Group
Malvern,
Pennsylvania
|
-$17.2M |
| 3 |
Invesco
Atlanta,
Georgia
|
-$15.5M |
| 4 |
Fidelity Investments
Boston,
Massachusetts
|
-$9.81M |
| 5 |
HF
HRT Financial
New York
|
-$9.61M |
AMKR Hedge Fund Activity: Q2 2025 in Review
348 of the 7,613 institutional investors tracked by Wall St. Rank reported a position in Amkor Technology (AMKR) for Q2 2025, worth a combined $2.37B — up 21% from $1.96B a quarter earlier.
Buyers outnumbered sellers: 55 funds opened new AMKR positions and 50 closed out — a net gain of 5 holders — while 140 added to existing stakes and 118 trimmed.
The largest buyer was BlackRock, adding an estimated $69M. The largest seller was AllianceBernstein, cutting an estimated $54.6M.
- 348 institutional investors held Amkor Technology (AMKR) as of Q2 2025, up from 347 in Q1 2025.
- Funds reported $2.37B of Amkor Technology stock for Q2 2025, up 21% quarter-over-quarter.
- 55 funds opened new Amkor Technology positions in Q2 2025 and 50 closed out, a net change of +5 holders.
- The largest Amkor Technology buyer in Q2 2025 was BlackRock, an estimated $69M added.
- The largest Amkor Technology seller in Q2 2025 was AllianceBernstein, an estimated $54.6M sold.
Based on aggregated 13F filings for Q2 2025.