Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in CPIX held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | Ikarian Capital, LLC | 553K | $1.8M | -0.5% | 3.692% | 0.19% |
| 2 | RENAISSANCE TECHNOLOGIES LLC | 471K | $1.5M | -0.3% | 3.141% | 0.00% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 362K | $1.2M | — | 2.414% | 0.00% |
| 4 | DIMENSIONAL FUND ADVISORS LP | 276K | $898K | +1.5% | 1.845% | 0.00% |
| 5 | PERCEPTIVE ADVISORS LLC | 197K | $640K | -42.3% | 1.315% | 0.01% |
| 6 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 163K | $531K | 0.0% | 1.091% | 0.01% |
| 7 | BOOTHBAY FUND MANAGEMENT, LLC | 128K | $415K | -0.6% | 0.852% | 0.01% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 114K | $371K | +6.5% | 0.763% | 0.00% |
| 9 | J. Goldman & Co LP | 81K | $263K | -14.3% | 0.541% | 0.01% |
| 10 | Bank of New York Mellon Corp | 58K | $190K | -19.4% | 0.390% | 0.00% |
| 11 | BlackRock, Inc. | 57K | $185K | +8.2% | 0.380% | 0.00% |
| 12 | CITADEL ADVISORS LLC | 50K | $162K | — | 0.332% | 0.00% |
| 13 | VANGUARD FIDUCIARY TRUST CO | 46K | $148K | — | 0.304% | 0.00% |
| 14 | STATE STREET CORP | 40K | $128K | +17.2% | 0.264% | 0.00% |
| 15 | Marex Group plc | 36K | $118K | — | 0.243% | 0.00% |
| 16 | XTX Topco Ltd | 24K | $78K | — | 0.160% | 0.00% |
| 17 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 20K | $66K | — | 0.135% | 0.00% |
| 18 | NORTHERN TRUST CORP | 20K | $64K | 0.0% | 0.131% | 0.00% |
| 19 | Cresset Asset Management, LLC | 19K | $63K | +11.4% | 0.130% | 0.00% |
| 20 | TWO SIGMA INVESTMENTS, LP | 11K | $36K | -54.7% | 0.074% | 0.00% |
| 21 | UBS Group AG | 5K | $17K | -66.3% | 0.035% | 0.00% |
| 22 | MORGAN STANLEY | 3K | $11K | 0.0% | 0.022% | 0.00% |
| 23 | WELLS FARGO & COMPANY/MN | 100 | $325 | — | 0.001% | 0.00% |
| 24 | ACADIAN ASSET MANAGEMENT LLC | 44K | $143 | 0.0% | 0.296% | 0.00% |
| 25 | Caitong International Asset Management Co., Ltd | 2 | $6 | — | 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 CPIX — a direct measure of their conviction.
Filings activity in CPIX during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new CPIX position in Q1 2026
Institutions that fully closed their CPIX 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 | 28 | +7.7% | 10.59% | 3.19 pp | $9M | 23% |
| Q4 2025 | 26 | 10% | 13.78% | +1.43 pp | $12M | +12% |
| Q3 2025 | 29 | 9.4% | 12.35% | 2.33 pp | $10M | 16% |
| Q2 2025 | 32 | +0.0% | 14.68% | 6.82 pp | $12M | 32% |
| Q1 2025 | 32 | +52% | 21.50% | +16.83 pp | $18M | +360% |
| Q4 2024 | 21 | 8.7% | 4.67% | +1.84 pp | $4M | +65% |
| Q3 2024 | 23 | +0.0% | 2.83% | 0.61 pp | $2M | 18% |
| Q2 2024 | 23 | — | 3.44% | — | $3M | — |
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 CPIX stock.
Based on Q1 2026 13F filings, institutional ownership of Cumberland Pharmaceuticals Inc. stands at 10.6%, held across 28 reporting institutions.
Ikarian Capital, LLC is the largest reported institutional holder of CPIX, with approximately 553,153 shares worth $0.00B as of Q1 2026.
Yes — 3 widely-followed marquee investors appear among the top 25 institutional holders of CPIX, including RENAISSANCE TECHNOLOGIES LLC, CITADEL ADVISORS LLC, TWO SIGMA INVESTMENTS, LP.
Our composite Smart Money Score for CPIX is 53 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
9 institutions opened new positions in CPIX during Q1 2026, while 7 fully exited. 0 added to existing positions and 19 trimmed.
CPIX institutional ownership fell by 3.19 percentage points quarter-over-quarter, with a net change of +2 holders.
The top 10 institutions account for 87.9% of all reported 13F value in CPIX, 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.