Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in IPOD held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | ARISTEIA CAPITAL LLC | 1.1M | $11.4M | 0.0% | 7.595% | 0.25% |
| 2 | TENOR CAPITAL MANAGEMENT Co., L.P. | 1.0M | $10.3M | 0.0% | 6.905% | 0.16% |
| 3 | Magnetar Financial LLC | 850K | $8.8M | 0.0% | 5.869% | 0.09% |
| 4 | Vivaldi Asset Management, LLC | 700K | $7.2M | 0.0% | 4.833% | 0.38% |
| 5 | Westchester Capital Management, LLC | 666K | $6.9M | 0.0% | 4.602% | 0.33% |
| 6 | BERKLEY W R CORP | 649K | $6.7M | +29.8% | 4.481% | 0.36% |
| 7 | D. E. Shaw & Co., Inc. | 598K | $6.2M | 0.0% | 4.129% | 0.01% |
| 8 | Polar Asset Management Partners Inc. | 575K | $5.9M | +4.5% | 3.970% | 0.13% |
| 9 | WOLVERINE ASSET MANAGEMENT LLC | 570K | $5.9M | -18.1% | 3.938% | 0.10% |
| 10 | CNH PARTNERS LLC | 545K | $5.6M | -3.7% | 3.763% | 0.09% |
| 11 | TWO SIGMA INVESTMENTS, LP | 453K | $4.7M | 0.0% | 3.129% | 0.00% |
| 12 | MANGROVE PARTNERS | 450K | $4.6M | 0.0% | 3.107% | 0.38% |
| 13 | Radcliffe Capital Management, L.P. | 425K | $4.4M | 0.0% | 2.932% | 0.33% |
| 14 | WHITEBOX ADVISORS LLC | 400K | $4.1M | 0.0% | 2.762% | 0.06% |
| 15 | PICTON MAHONEY ASSET MANAGEMENT | 350K | $3.6M | 0.0% | 2.417% | 0.04% |
| 16 | COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | 350K | $3.6M | -12.5% | 2.417% | 0.02% |
| 17 | RIVERNORTH CAPITAL MANAGEMENT, LLC | 338K | $3.5M | 0.0% | 2.332% | 0.17% |
| 18 | Shaolin Capital Management LLC | 281K | $2.9M | +2.1% | 1.940% | 0.12% |
| 19 | O'Connor Alternative Investments LLC | 250K | $2.6M | — | 1.726% | 0.22% |
| 20 | Bulldog Investors, LLP | 250K | $2.6M | -1.3% | 1.724% | 0.58% |
| 21 | GOLDMAN SACHS GROUP INC | 206K | $2.1M | 0.0% | 1.423% | 0.00% |
| 22 | Verition Fund Management LLC | 200K | $2.1M | 0.0% | 1.381% | 0.01% |
| 23 | Hudson Bay Capital Management LP | 200K | $2.1M | 0.0% | 1.381% | 0.02% |
| 24 | MIZUHO SECURITIES USA LLC | 187K | $1.9M | +0.0% | 1.294% | 0.05% |
| 25 | Clear Street Group Inc. | 180K | $1.9M | -26.5% | 1.243% | 0.01% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in IPOD — a direct measure of their conviction.
Filings activity in IPOD during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new IPOD position in Q1 2026
Institutions that fully closed their IPOD position in Q1 2026
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 45 | +9.8% | 89.79% | +1.79 pp | $136M | +2.0% |
| Q4 2025 | 41 | +14% | 88.00% | +10.99 pp | $133M | +14% |
| Q3 2025 | 36 | +16% | 77.01% | +17.09 pp | $116M | +29% |
| Q2 2025 | 31 | +3000% | 59.92% | +59.26 pp | $90M | +8951% |
| Q2 2024 | 1 | 99% | 0.66% | 199.33 pp | $1M | 100% |
| Q2 2021 | 98 | +3.2% | 199.99% | +0.00 pp | $5.40B | 5.1% |
| Q1 2021 | 95 | +56% | 199.99% | +18.79 pp | $5.69B | +1980% |
| Q4 2020 | 61 | — | 181.20% | — | $273M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying IPOD stock.
Based on Q1 2026 13F filings, institutional ownership of Dune Acquisition Corporation II stands at 89.8%, held across 45 reporting institutions.
ARISTEIA CAPITAL LLC is the largest reported institutional holder of IPOD, with approximately 1,100,000 shares worth $0.01B as of Q1 2026.
Yes — 1 widely-followed marquee investor appear among the top 25 institutional holders of IPOD, including TWO SIGMA INVESTMENTS, LP.
Our composite Smart Money Score for IPOD is 67 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
6 institutions opened new positions in IPOD during Q1 2026, while 2 fully exited. 31 added to existing positions and 8 trimmed.
IPOD institutional ownership rose by 1.79 percentage points quarter-over-quarter, with a net change of +4 holders.
The top 10 institutions account for 55.3% of all reported 13F value in IPOD, and the top 25 account for 89.7%.
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.
Dune Acquisition Corporation II (IPOD) Institutional Ownership