SAM Institutional Ownership
Who owns Boston Beer Co Inc and what the big funds did with it last quarter, from every SEC 13F filing. 331 funds reported holding SAM at Jun 30, 2026.
- ▼154 buying vs 195 selling
- ▲Shares held by funds +10.6%
- ▼Funds holding -40
- ▲Superinvestors: 3 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 | 331 | 371 | −10.8% |
| In funds' top 10 | 1 | 1 | 0.0% |
| 13F shares | 8.6M | 7.8M | +10.6% |
| Held by funds | – | – | – |
| New positions | 43 | 68 | −36.8% |
| Increased | 111 | 127 | −12.6% |
| Reduced | 114 | 90 | +26.7% |
| Sold out | 81 | 45 | +80.0% |
| Calls (shares) | 33K | 0 | – |
| Puts (shares) | 16K | 1,000 | +1480.0% |
| Put/call ratio | 0.47 | – | – |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in SAM
All superinvestors →
Who owns SAM
share of fund held shares- Index and passive funds37.2%
- Active managers and hedge funds49.2%
- Banks and brokers12.7%
- Pensions, insurers and other0.9%
The top 10 holders own 52.9% of all SAM 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
81 funds changed their position- Creative PlanningAdded+18K sh
- Principal Financial Group IncAdded+18K sh
- CenterBook Partners LPSold out−14K sh
- Oak Thistle LLCSold out−12K sh
- Skylands Capital, LLCAdded+9,116 sh
🔒 Free account: see all 20.
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | – | 1M | $180M | +245K |
| 2 | Vanguard Portfolio Management LLC | – | 609K | $108M | −25K |
| 3 | AQR Capital Management LLC | – | 540K | $95.6M | −112K |
| 4 | UBS Group AG | – | 435K | $76.9M | +216K |
| 5 | American Century Companies Inc | – | 385K | $68.2M | +97K |
| 6 | Vanguard Capital Management LLC | – | 346K | $61.2M | +4,919 |
| 7 | Arrowstreet Capital, Limited Partnership | – | 321K | $56.8M | +76K |
| 8 | Dimensional Fund Advisors LP | – | 321K | $56.8M | +47K |
| 9 | State Street Corp | – | 315K | $55.8M | +60K |
| 10 | Millennium Management LLC | – | 284K | $50.2M | +187K |
- BlackRock, Inc.+245K sh+$43.4M
- UBS Group AG+216K sh+$38.2M
- Millennium Management LLC+187K sh+$33.1M
- T. Rowe Price Investment Management, Inc.+121K sh+$21.4M
- Global Alpha Capital Management Ltd.+120K sh+$21.3M
- Neuberger Berman Group LLC+118K sh+$20.9M
- American Century Companies Inc+97K sh+$17.2M
- Arrowstreet Capital, Limited Partnership+76K sh+$13.4M
- Gotham Asset Management, LLC−167K sh−$29.6M
- Fmr LLC−135K sh−$23.9M
- Quantinno Capital Management LP−128K sh−$22.7M
- Woodson Capital Management, LP−90K sh−$20.7M
- AQR Capital Management LLC−112K sh−$19.8M
- Man Group plc−78K sh−$17.9M
- Invesco Ltd.−57K sh−$10.1M
- Crawford Fund Management, LLC−39K sh−$9.1M
SAM institutional ownership FAQ
Who owns the most SAM stock?
In Q2 2026 13F filings the largest holder of SAM was BlackRock, Inc., followed by Vanguard Portfolio Management LLC and AQR Capital Management LLC. Index fund managers are usually the biggest holders of large companies.
What percentage of SAM is owned by institutions?
331 funds reported holding 8.6M SAM shares at Jun 30, 2026.
Are hedge funds buying SAM?
In Q2 2026, 154 funds bought SAM (43 of them new positions) and 195 sold (81 sold out completely). Among well known investors, 3 added and 1 cut. Our fund sentiment for SAM is neutral.
What is SAM's institutional put/call ratio?
Funds reported $2.8M of SAM puts against $5.9M of calls, a put/call ratio of 0.47. Market makers and bank trading desks are left out, since their options are mostly hedges.
How current is this SAM 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.