Whale Analyzer
SNDK Institutional Holders and 13F Ownership
Compare 8 tracked holders of SNDK, their reported positions and disclosed changes. Coverage is limited to the investors tracked by Whale Analyzer; these records do not establish all shareholders or current trades. Available original SEC filings for tracked 13F holders are linked below. Top tracked holders include Situational Awareness LP, Whale Rock Capital Management, Duquesne Family Office, and Robotti & Co.
Continue to the live SNDK dashboardTop holders
| Investor | Reported value | Shares | Change | Report date |
|---|---|---|---|---|
| Situational Awareness LP 13F holdings | $5.67B | 2.5M | Increased | 2026-06-30 |
| Whale Rock Capital Management 13F holdings | $1.36B | 596.5K | Reduced | 2026-06-30 |
| Duquesne Family Office 13F holdings | $79.4M | 34.9K | Unknown | 2026-06-30 |
| Robotti & Co 13F holdings | $6.9M | 3.0K | Reduced | 2026-06-30 |
| Maverick Capital 13F holdings | $1.3M | 575 | New | 2026-06-30 |
| PRIMECAP Management Company 13F holdings | $909.5K | 400 | Held | 2026-06-30 |
| Bridgewater Associates 13F holdings | $720.8K | 317 | Reduced | 2026-06-30 |
| Polen Capital Management 13F holdings | $438.8K | 193 | Reduced | 2026-06-30 |
Original SEC filing sources
These recorded filings support the tracked 13F rows included in the aggregate reported values on this page. See each holder profile for source coverage and context for other disclosure types.
- Situational Awareness LP SEC filing (0000935836-26-000418) · report date 2026-06-30
- Whale Rock Capital Management SEC filing (0001172661-26-003733) · report date 2026-06-30
- Duquesne Family Office SEC filing (0001536411-26-000006) · report date 2026-06-30
- Robotti & Co SEC filing (0001140361-26-031881) · report date 2026-06-30
- Maverick Capital SEC filing (0000947871-26-000793) · report date 2026-06-30
- PRIMECAP Management Company SEC filing (0000763212-26-000028) · report date 2026-06-30
- Bridgewater Associates SEC filing (0001350694-26-000003) · report date 2026-06-30
- Polen Capital Management SEC filing (0001172661-26-003035) · report date 2026-06-30
Tracked-sample concentration
Reported position value for SNDK is highly concentrated within this tracked-holder sample. These percentages are not market-wide ownership shares.
- Largest tracked holder: 79.7% of aggregate reported value in this sample
- Top 5 tracked holders: 100.0% of aggregate reported value in this sample
- Top 10 tracked holders: 100.0% of aggregate reported value in this sample
Whale activity this quarter
Across 8 tracked holders, 4 reduced, 2 increased, 2 held. Net positioning is net selling.
- Situational Awareness LP ($5.67B) (▲ 118.9% qoq shares) · modeled avg cost estimate $431.54
- Whale Rock Capital Management ($1.36B) (▼ 25.4% qoq shares)
- Duquesne Family Office ($79.4M) (▼ 8.5% qoq shares)
- Robotti & Co ($6.9M) (▼ 67.2% qoq shares)
- Maverick Capital ($1.3M) · modeled avg cost estimate $692.73
- PRIMECAP Management Company ($909.5K) (→ 0.0% qoq shares)
- Bridgewater Associates ($720.8K) (▼ 96.6% qoq shares)
- Polen Capital Management ($438.8K) (▼ 57.4% qoq shares)
Modeled cost estimate vs current price
The share-weighted modeled cost estimate across 2 covered tracked holders is $431.60 versus a current price of $835.06, so SNDK trades above that estimate (+93.5%). This model does not establish any filer's actual purchase price, unrealized gain, or investment return.
Sector positioning — Information Technology
SNDK sits within the Information Technology sector alongside 181 other tracked names. Compare reported positions across tracked peers:
How to use this page
Values are reported public positions from tracked 13F filers and disclosures — not real-time or market-wide ownership totals. Open the live SNDK dashboard for price charts and cross-investor scans, or read the SEC 13F guide.
Related stock holder pages
- MU whale holders — MICRON TECHNOLOGY INC
- BE whale holders — BLOOM ENERGY CORP
- TSM whale holders — TAIWAN SEMICONDUCTOR MANUFAC
- NBIS whale holders — NEBIUS GROUP N.V.
- CRWV whale holders — COREWEAVE INC
- CORZ whale holders — CORE SCIENTIFIC INC NEW
- STM whale holders — STMICROELECTRONICS
- APLD whale holders — APPLIED DIGITAL CORP
Learn more in Whale Analyzer Academy
Deepen your read on SNDK with these Whale Analyzer Academy guides:
Frequently asked questions
Who owns SNDK stock?
Whale Analyzer tracks 8 public-disclosure holders of SNDK with a combined reported value of $7.12B. See the holder table above for the largest tracked positions.
Which top funds are buying SNDK?
Tracked holders were net selling last quarter — 4 reduced, 2 increased, 2 held. Check the "Change" column: "New" = fresh position, "Increased" = added, "Reduced" = trimmed.
How concentrated is the tracked SNDK sample?
The top five tracked holders account for 100.0% of aggregate reported value in this tracked sample. This is not a market-wide ownership percentage.
How does SNDK compare with the modeled cost estimate?
The share-weighted modeled cost estimate across 2 covered tracked holders is $431.60 versus a current price of $835.06 (+93.5%). It is not an actual purchase price, unrealized gain, or investment return.
What does 13F ownership mean for SNDK?
These are historical reported positions from tracked filers, not real-time ownership or a complete shareholder register. Use the interactive SNDK dashboard to explore them, or read our 13F Alpha Signals Guide.