SIO Institutional Ownership
Who owns SIO and what the big funds did with it last quarter, from every SEC 13F filing. 19 funds reported holding SIO at Jun 30, 2026.
- ▲12 buying vs 4 selling
- ▲Shares held by funds +4.7%
- ▲Funds holding +2
- ▼Superinvestors: 0 added, 1 cut
- ●Put/call not meaningful
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 | 19 | 17 | +11.8% |
| In funds' top 10 | 0 | 1 | −100.0% |
| 13F shares | 9.5M | 9.1M | +4.7% |
| Held by funds | – | – | – |
| New positions | 3 | 2 | +50.0% |
| Increased | 9 | 9 | 0.0% |
| Reduced | 4 | 4 | 0.0% |
| Sold out | 0 | 2 | −100.0% |
| Calls (shares) | 0 | 0 | – |
| Puts (shares) | 0 | 0 | – |
| Put/call ratio | – | – | – |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in SIO
All superinvestors →
Who owns SIO
share of fund held shares- Index and passive funds0.0%
- Active managers and hedge funds90.5%
- Banks and brokers7.4%
- Pensions, insurers and other2.2%
The top 10 holders own 99.2% of all SIO shares that funds reported. Groups are our own grouping of filers by name.
Filed so far for Q3 2026
16 funds changed their position- Fort Washington Investment Advisors Inc /oh/Added+880K sh
- Raymond James Financial IncAdded+380K sh
- Thrivent Financial for LutheransAdded+138K sh
- Janney Montgomery Scott LLCAdded+34K sh
- Flynn Zito Capital Management, LLCNew+21K sh
🔒 Free account: see all 16.
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | Fort Washington Investment Advisors Inc /oh/ | – | 5.8M | $148M | +59K |
| 2 | Thrivent Financial for Lutherans | – | 1.7M | $44.3M | +99K |
| 3 | Raymond James Financial Inc | – | 643K | $16.5M | +2,773 |
| 4 | Janney Montgomery Scott LLC | – | 449K | $11.5M | +88K |
| 5 | Envestnet Asset Management Inc | – | 279K | $7.2M | +262K |
| 6 | Ffg Retirement Advisors LLC | – | 209K | $5.4M | +8,932 |
| 7 | Brookwood Investment Group LLC | – | 158K | $4M | −4,663 |
| 8 | Huntleigh Advisors, Inc. | – | 105K | $2.7M | +105K |
| 9 | Victory Financial Group, LLC | – | 75K | $1.9M | +5,411 |
| 10 | Jane Street Group, LLC | – | 57K | $1.5M | +57K |
- Envestnet Asset Management Inc+262K sh+$6.7M
- Huntleigh Advisors, Inc.+105K sh+$2.7M
- Thrivent Financial for Lutherans+99K sh+$2.5M
- Janney Montgomery Scott LLC+88K sh+$2.3M
- Fort Washington Investment Advisors Inc /oh/+59K sh+$1.5M
- Jane Street Group, LLC+57K sh+$1.5M
- Ffg Retirement Advisors LLC+8,932 sh+$229K
- Victory Financial Group, LLC+5,411 sh+$139K
- Citadel Advisors LLC−14K sh−$358K
- Brookwood Investment Group LLC−4,663 sh−$120K
- Acorn Wealth Advisors, LLC−3,267 sh−$84K
- Wells Fargo & Company/mn−52 sh−$1K
SIO institutional ownership FAQ
Who owns the most SIO stock?
In Q2 2026 13F filings the largest holder of SIO was Fort Washington Investment Advisors Inc /oh/, followed by Thrivent Financial for Lutherans and Raymond James Financial Inc. Index fund managers are usually the biggest holders of large companies.
What percentage of SIO is owned by institutions?
19 funds reported holding 9.5M SIO shares at Jun 30, 2026.
Are hedge funds buying SIO?
In Q2 2026, 12 funds bought SIO (3 of them new positions) and 4 sold (0 sold out completely). Among well known investors, 0 added and 1 cut. Our fund sentiment for SIO is bullish.
What is SIO's institutional put/call ratio?
Too few option positions were reported for a meaningful ratio.
How current is this SIO 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.