Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in STAK held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | JANE STREET GROUP, LLC | 54K | $54K | β | 0.543% | 0.00% |
| 2 | MORGAN STANLEY | 50K | $50K | β | 0.500% | 0.00% |
| 3 | UBS Group AG | 8K | $8K | +434.3% | 0.081% | 0.00% |
| 4 | Tower Research Capital LLC (TRC) | 3K | $3K | β | 0.029% | 0.00% |
| 5 | WELLS FARGO & COMPANY/MN | 3K | $3K | β | 0.025% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in STAK β a direct measure of their conviction.
Filings activity in STAK during Q1 2026, grouped by how each filer changed its position.
5 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 5 | +25% | 0.15% | +0.10 pp | $0M | +203% |
| Q4 2025 | 4 | +33% | 0.05% | 0.03 pp | $0M | 34% |
| Q3 2025 | 3 | +0.0% | 0.08% | +0.05 pp | $0M | +166% |
| Q2 2025 | 3 | +50% | 0.03% | +0.02 pp | $0M | +346% |
| Q1 2025 | 2 | β | 0.01% | β | $0M | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying STAK stock.
Based on Q1 2026 13F filings, institutional ownership of STAK Inc. Ordinary Shares stands at 0.1%, held across 5 reporting institutions.
JANE STREET GROUP, LLC is the largest reported institutional holder of STAK, with approximately 54,403 shares worth $0.00B as of Q1 2026.
Yes β 1 widely-followed marquee investor appear among the top 25 institutional holders of STAK, including JANE STREET GROUP, LLC.
Our composite Smart Money Score for STAK is 51 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
4 institutions opened new positions in STAK during Q1 2026, while 3 fully exited. 1 added to existing positions and 0 trimmed.
STAK institutional ownership rose by 0.10 percentage points quarter-over-quarter, with a net change of +1 holders.
The top 10 institutions account for 100.0% of all reported 13F value in STAK, and the top 25 account for 100.0%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
STAK Inc. Ordinary Shares (STAK) Institutional Ownership