ASX Institutional Ownership
Who owns ASE Technology Holding Co., Ltd. and what the big funds did with it last quarter, from every SEC 13F filing. 487 funds reported holding ASX at Jun 30, 2026.
- ▲299 buying vs 175 selling
- ▼Shares held by funds -2.5%
- ▲Funds holding +114
- ▼Superinvestors: 1 added, 3 cut
- ▲Put/call 0.07 to 0.06
What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.
Funds holding and ownership
8 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Q1 2026 | Change |
|---|---|---|---|
| Funds holding | 487 | 373 | +30.6% |
| In funds' top 10 | 4 | 1 | +300.0% |
| 13F shares | 153M | 157M | −2.5% |
| Held by funds | – | – | – |
| New positions | 151 | 75 | +101.3% |
| Increased | 148 | 129 | +14.7% |
| Reduced | 139 | 114 | +21.9% |
| Sold out | 36 | 25 | +44.0% |
| Calls (shares) | 1.2M | 871K | +36.0% |
| Puts (shares) | 70K | 59K | +19.5% |
| Put/call ratio | 0.06 | 0.07 | −12.0% |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in ASX
All superinvestors →
Who owns ASX
share of fund held shares- Index and passive funds20.1%
- Active managers and hedge funds44.4%
- Banks and brokers35.1%
- Pensions, insurers and other0.4%
The top 10 holders own 56.5% of all ASX shares that funds reported. Groups are our own grouping of filers by name.
Put/call ratio
funds' options, market makers left outAbove 1 means funds hold more puts than calls, a sign of hedging or bets on a fall. Options are valued at the underlying shares.
Filed so far for Q3 2026
161 funds changed their position- Carrhae Capital LLPNew+1.5M sh
- Ninety One UK LtdAdded+589K sh
- TT International Asset Management LTDTrimmed−298K sh
- Y-Intercept (Hong Kong) LtdNew+233K sh
- Mackenzie Financial CorpTrimmed−220K sh
🔒 Free account: see all 20.
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | – | 26.3M | $1.2B | +4.1M |
| 2 | Bank of America Corp /de/ | – | 9.4M | $424M | +2.6M |
| 3 | Goldman Sachs Group Inc | – | 8.3M | $375M | +2.5M |
| 4 | Lazard Asset Management LLC | – | 8M | $360M | −5.6M |
| 5 | UBS Group AG | – | 7.8M | $351M | −1.5M |
| 6 | Morgan Stanley | – | 5.8M | $262M | −932K |
| 7 | Rafferty Asset Management, LLC | – | 5.5M | $249M | +1.9M |
| 8 | American Century Companies Inc | – | 5.3M | $241M | −495K |
| 9 | Jpmorgan Chase & Co | – | 5.3M | $224M | +2.7M |
| 10 | Acadian Asset Management LLC | – | 4.9M | $222M | −2.5M |
- BlackRock, Inc.+4.1M sh+$184M
- Man Group plc+3.5M sh+$158M
- Bank of America Corp /de/+2.6M sh+$115M
- Jpmorgan Chase & Co+2.7M sh+$112M
- Goldman Sachs Group Inc+2.5M sh+$111M
- Rafferty Asset Management, LLC+1.9M sh+$87.6M
- TT International Asset Management LTD+865K sh+$39M
- Citigroup Inc+802K sh+$36.2M
- Lazard Asset Management LLC−5.6M sh−$251M
- Acadian Asset Management LLC−2.5M sh−$111M
- Cullen Capital Management, LLC−1.9M sh−$86.7M
- Jane Street Group, LLC−3.1M sh−$68.2M
- UBS Group AG−1.5M sh−$67.5M
- HSBC Holdings PLC−1.3M sh−$60.3M
- Marshall Wace, LLP−992K sh−$44.7M
- Morgan Stanley−932K sh−$42M
ASX institutional ownership FAQ
Who owns the most ASX stock?
In Q2 2026 13F filings the largest holder of ASX was BlackRock, Inc., followed by Bank of America Corp /de/ and Goldman Sachs Group Inc. Index fund managers are usually the biggest holders of large companies.
What percentage of ASX is owned by institutions?
487 funds reported holding 153M ASX shares at Jun 30, 2026.
Are hedge funds buying ASX?
In Q2 2026, 299 funds bought ASX (151 of them new positions) and 175 sold (36 sold out completely). Among well known investors, 1 added and 3 cut. Our fund sentiment for ASX is neutral.
What is ASX's institutional put/call ratio?
Funds reported $3.2M of ASX puts against $53.4M of calls, a put/call ratio of 0.06 (0.07 the quarter before). Market makers and bank trading desks are left out, since their options are mostly hedges.
How current is this ASX ownership data?
13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.