SNDK Institutional Ownership
Who owns Sandisk Corp and what the big funds did with it last quarter, from every SEC 13F filing. 1,831 funds reported holding SNDK at Jun 30, 2026, together owning 77.9% of the company.
- ▲1,258 buying vs 560 selling
- ▼Held by funds -1.8 pts
- ▲Funds holding +642
- ▼Superinvestors: 0 added, 7 cut
- ▼Put/call 0.89 to 2.12
What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.
Funds holding and ownership
7 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Q1 2026 | Change |
|---|---|---|---|
| Funds holding | 1,831 | 1,189 | +54.0% |
| In funds' top 10 | 121 | 80 | +51.2% |
| 13F shares | 111M | 113M | −2.2% |
| Held by funds | 77.9% | 79.7% | −1.8 pts |
| New positions | 728 | 489 | +48.9% |
| Increased | 530 | 331 | +60.1% |
| Reduced | 465 | 288 | +61.5% |
| Sold out | 95 | 50 | +90.0% |
| Calls (shares) | 1.5M | 3.3M | −53.3% |
| Puts (shares) | 3M | 2.5M | +18.8% |
| Put/call ratio | 2.12 | 0.89 | +137.6% |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in SNDK
All superinvestors →
Who owns SNDK
share of fund held shares- Index and passive funds40.3%
- Active managers and hedge funds39.4%
- Banks and brokers16.8%
- Pensions, insurers and other3.6%
The top 10 holders own 50.4% of all SNDK 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
771 funds changed their position- Assenagon Asset Management S.A.Trimmed−415K sh
- Amanah Holdings TrustSold out−250K sh
- Sumitomo Mitsui Trust Group, Inc.Added+284K sh
- GF Fund Management Co. Ltd.Trimmed−246K sh
- WT Asset Management LtdTrimmed−131K sh
🔒 Free account: see all 20.
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 7.24% | 10.3M | $23.4B | −108K |
| 2 | Vanguard Capital Management LLC | 6.79% | 9.7M | $22B | +142K |
| 3 | Fmr LLC | 5.53% | 7.9M | $17.9B | −5.5M |
| 4 | State Street Corp | 4.17% | 5.9M | $13.5B | +354K |
| 5 | Invesco Ltd. | 3.94% | 5.6M | $12.8B | +4.4M |
| 6 | Jpmorgan Chase & Co | 2.77% | 3.9M | $8.1B | +2.5M |
| 7 | Geode Capital Management, LLC | 2.52% | 3.6M | $8.2B | −621K |
| 8 | Vanguard Portfolio Management LLC | 2.47% | 3.5M | $8B | −61K |
| 9 | Clear Street Group Inc. | 2.10% | 3M | $6.8B | +1.8M |
| 10 | Situational Awareness LP | 1.75% | 2.5M | $5.7B | +1.4M |
- Invesco Ltd.+4.4M sh+$10.1B
- Jpmorgan Chase & Co+2.5M sh+$5.2B
- Norges Bank+2.1M sh+$4.7B
- Clear Street Group Inc.+1.8M sh+$4B
- Situational Awareness LP+1.4M sh+$3.1B
- Assenagon Asset Management S.A.+1.2M sh+$2.8B
- Exchange Traded Concepts, LLC+606K sh+$1.4B
- Wells Fargo & Company/mn+530K sh+$1.2B
- Fmr LLC−5.5M sh−$12.6B
- Renaissance Technologies LLC−795K sh−$1.8B
- Millennium Management LLC−776K sh−$1.8B
- Hrt Financial LP−773K sh−$1.8B
- Anther Capital Ltd−768K sh−$1.7B
- Susquehanna International Group, LLP−665K sh−$1.5B
- Arrowstreet Capital, Limited Partnership−655K sh−$1.5B
- Jane Street Group, LLC−630K sh−$1.4B
SNDK institutional ownership FAQ
Who owns the most SNDK stock?
In Q2 2026 13F filings the largest holder of SNDK was BlackRock, Inc., followed by Vanguard Capital Management LLC and Fmr LLC. Index fund managers are usually the biggest holders of large companies.
What percentage of SNDK is owned by institutions?
Funds that file 13F reports held 77.9% of SNDK's shares at Jun 30, 2026, compared with 79.7% a quarter earlier. That counts every manager with more than $100 million in US stocks.
Are hedge funds buying SNDK?
In Q2 2026, 1,258 funds bought SNDK (728 of them new positions) and 560 sold (95 sold out completely). Among well known investors, 0 added and 7 cut. Our fund sentiment for SNDK is neutral.
What is SNDK's institutional put/call ratio?
Funds reported $7.1B of SNDK puts against $3.4B of calls, a put/call ratio of 2.12 (0.89 the quarter before). Market makers and bank trading desks are left out, since their options are mostly hedges.
How current is this SNDK 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.