Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in COLL held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 5.1M | $169.8M | +0.7% | 15.829% | 0.00% |
| 2 | JANUS HENDERSON GROUP PLC | 1.8M | $60.4M | +26.0% | 5.629% | 0.03% |
| 3 | Invesco Ltd. | 1.6M | $52.6M | +35.5% | 4.908% | 0.01% |
| 4 | FULLER & THALER ASSET MANAGEMENT, INC. | 1.5M | $49.6M | -0.0% | 4.623% | 0.17% |
| 5 | RENAISSANCE TECHNOLOGIES LLC | 1.5M | $48.6M | -9.1% | 4.531% | 0.08% |
| 6 | STATE STREET CORP | 1.4M | $47.1M | +8.7% | 4.392% | 0.00% |
| 7 | EVENTIDE ASSET MANAGEMENT, LLC | 1.4M | $47.1M | -24.1% | 4.391% | 0.78% |
| 8 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 1.4M | $45.2M | +4.1% | 4.211% | 0.02% |
| 9 | VANGUARD CAPITAL MANAGEMENT LLC | 1.3M | $44.1M | — | 4.113% | 0.00% |
| 10 | PRINCIPAL FINANCIAL GROUP INC | 1.3M | $42.8M | -1.4% | 3.993% | 0.02% |
| 11 | Rubric Capital Management LP | 1.3M | $42.3M | -14.5% | 3.945% | 0.52% |
| 12 | DIMENSIONAL FUND ADVISORS LP | 833K | $27.6M | +0.3% | 2.569% | 0.01% |
| 13 | GEODE CAPITAL MANAGEMENT, LLC | 819K | $27.1M | -1.2% | 2.526% | 0.00% |
| 14 | MARSHALL WACE, LLP | 749K | $24.8M | +52.1% | 2.309% | 0.03% |
| 15 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 704K | $23.3M | +29.4% | 2.169% | 0.01% |
| 16 | VANGUARD PORTFOLIO MANAGEMENT LLC | 680K | $22.5M | — | 2.098% | 0.00% |
| 17 | VICTORY CAPITAL MANAGEMENT INC | 625K | $20.7M | +36.7% | 1.928% | 0.01% |
| 18 | Qube Research & Technologies Ltd | 622K | $20.6M | +131.9% | 1.918% | 0.02% |
| 19 | TWO SIGMA INVESTMENTS, LP | 590K | $19.5M | +61.2% | 1.819% | 0.02% |
| 20 | GOLDMAN SACHS GROUP INC | 575K | $19.0M | -11.2% | 1.773% | 0.00% |
| 21 | D. E. Shaw & Co., Inc. | 531K | $17.6M | -18.8% | 1.636% | 0.02% |
| 22 | MORGAN STANLEY | 515K | $17.0M | -24.8% | 1.588% | 0.00% |
| 23 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 495K | $16.4M | +10.7% | 1.526% | 0.00% |
| 24 | AMERICAN CENTURY COMPANIES INC | 461K | $15.2M | +122.5% | 1.421% | 0.01% |
| 25 | EMERALD ADVISERS, LLC | 403K | $13.3M | -36.0% | 1.242% | 0.42% |
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 COLL — a direct measure of their conviction.
Filings activity in COLL during Q1 2026, grouped by how each filer changed its position.
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 | 264 | 3.6% | 108.50% | 40.05 pp | $1.22B | 27% |
| Q4 2025 | 274 | +14% | 148.55% | +35.62 pp | $1.67B | +32% |
| Q3 2025 | 240 | +8.1% | 112.93% | +20.97 pp | $1.27B | +23% |
| Q2 2025 | 222 | 6.7% | 91.96% | 1.07 pp | $1.03B | 1.2% |
| Q1 2025 | 238 | 0.4% | 93.03% | +1.38 pp | $1.05B | +1.5% |
| Q4 2024 | 239 | 3.2% | 91.65% | 36.59 pp | $1.03B | 29% |
| Q3 2024 | 247 | +8.8% | 128.24% | +18.45 pp | $1.44B | +17% |
| Q2 2024 | 227 | — | 109.79% | — | $1.23B | — |
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 COLL stock.
Based on Q1 2026 13F filings, institutional ownership of Collegium Pharmaceutical, Inc. stands at 108.5%, held across 264 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of COLL, with approximately 5,134,027 shares worth $0.17B as of Q1 2026.
Yes — 2 widely-followed marquee investors appear among the top 25 institutional holders of COLL, including RENAISSANCE TECHNOLOGIES LLC, TWO SIGMA INVESTMENTS, LP.
Our composite Smart Money Score for COLL is 39 out of 100 (Bearish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
43 institutions opened new positions in COLL during Q1 2026, while 53 fully exited. 48 added to existing positions and 172 trimmed.
COLL institutional ownership fell by 40.05 percentage points quarter-over-quarter, with a net change of -10 holders.
The top 10 institutions account for 49.8% of all reported 13F value in COLL, and the top 25 account for 76.6%.
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.
Collegium Pharmaceutical, Inc. (COLL) Institutional Ownership