Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in IMNN held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | ARMISTICE CAPITAL, LLC | 348K | $1.0M | +30.5% | 13.816% | 0.03% |
| 2 | Riverview Capital Advisers, LLC | 34K | $248K | 0.0% | 1.363% | 0.08% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 48K | $141K | — | 1.906% | 0.00% |
| 4 | GEODE CAPITAL MANAGEMENT, LLC | 33K | $98K | +56.5% | 1.317% | 0.00% |
| 5 | VANGUARD FIDUCIARY TRUST CO | 13K | $39K | — | 0.526% | 0.00% |
| 6 | BlackRock, Inc. | 4K | $13K | 0.0% | 0.177% | 0.00% |
| 7 | WELLS FARGO & COMPANY/MN | 3K | $10K | -2.8% | 0.133% | 0.00% |
| 8 | MORGAN STANLEY | 3K | $9K | +2.4% | 0.120% | 0.00% |
| 9 | Tower Research Capital LLC (TRC) | 2K | $5K | +3558.8% | 0.074% | 0.00% |
| 10 | SBI Securities Co., Ltd. | 1K | $3K | +0.1% | 0.041% | 0.00% |
| 11 | UBS Group AG | 575 | $2K | -64.0% | 0.023% | 0.00% |
| 12 | HRT FINANCIAL LP | 12K | $35 | — | 0.478% | 0.00% |
| 13 | GROUP ONE TRADING, L.P. | 6 | $18 | -33.3% | 0.000% | 0.00% |
| 14 | Federation des caisses Desjardins du Quebec | 5 | $15 | 0.0% | 0.000% | 0.00% |
| 15 | ADVISOR GROUP HOLDINGS, INC. | 2 | $5 | +100.0% | 0.000% | 0.00% |
| 16 | Steigerwald, Gordon & Koch Inc. | 1 | $3 | 0.0% | 0.000% | 0.00% |
| 17 | FMR LLC | 1 | $3 | 0.0% | 0.000% | 0.00% |
| 18 | Game Plan Financial Advisors, LLC | 1 | $3 | 0.0% | 0.000% | 0.00% |
| 19 | ROYAL BANK OF CANADA | 1 | $0 | 0.0% | 0.000% | 0.00% |
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 IMNN — a direct measure of their conviction.
Filings activity in IMNN during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new IMNN position in Q1 2026
Institutions that fully closed their IMNN 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 | 19 | +0.0% | 31.26% | +1.05 pp | $2M | +3.5% |
| Q4 2025 | 19 | +19% | 30.21% | +18.49 pp | $2M | +158% |
| Q3 2025 | 16 | 41% | 11.72% | 22.22 pp | $1M | 65% |
| Q2 2025 | 27 | +35% | 33.94% | +26.87 pp | $2M | +380% |
| Q1 2025 | 20 | 17% | 7.07% | 0.50 pp | $0M | 6.6% |
| Q4 2024 | 24 | +4.3% | 7.57% | 13.26 pp | $0M | 64% |
| Q3 2024 | 23 | +21% | 20.83% | +6.58 pp | $1M | +46% |
| Q2 2024 | 19 | — | 14.25% | — | $1M | — |
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 IMNN stock.
Based on Q1 2026 13F filings, institutional ownership of Imunon, Inc. stands at 31.3%, held across 19 reporting institutions.
ARMISTICE CAPITAL, LLC is the largest reported institutional holder of IMNN, with approximately 348,330 shares worth $0.00B as of Q1 2026.
No marquee "smart money" managers (Berkshire, Burry, ARK, Tiger Global, Pershing Square, Baupost, etc.) currently appear among the top 25 institutional holders of IMNN.
Our composite Smart Money Score for IMNN is 47 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
3 institutions opened new positions in IMNN during Q1 2026, while 3 fully exited. 4 added to existing positions and 10 trimmed.
IMNN institutional ownership rose by 1.05 percentage points quarter-over-quarter, with a net change of +0 holders.
The top 10 institutions account for 99.9% of all reported 13F value in IMNN, 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.
Imunon, Inc. (IMNN) Institutional Ownership