Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in CLGN held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | VILLERE ST DENIS J & CO LLC | 607K | $326K | 0.0% | 4.969% | 0.04% |
| 2 | PINNACLE ASSOCIATES LTD | 550K | $295K | -1.3% | 4.502% | 0.00% |
| 3 | BROWN ADVISORY INC | 119K | $64K | 0.0% | 0.971% | 0.00% |
| 4 | ARMISTICE CAPITAL, LLC | 64K | $34K | β | 0.524% | 0.00% |
| 5 | Pathstone Holdings, LLC | 57K | $31K | +235.3% | 0.466% | 0.00% |
| 6 | CITADEL ADVISORS LLC | 32K | $17K | β | 0.263% | 0.00% |
| 7 | Legacy Wealth Managment, LLC/ID | 23K | $12K | +567.6% | 0.190% | 0.01% |
| 8 | RENAISSANCE TECHNOLOGIES LLC | 17K | $9K | -4.5% | 0.137% | 0.00% |
| 9 | XTX Topco Ltd | 15K | $8K | +2.9% | 0.121% | 0.00% |
| 10 | WATERS PARKERSON & CO., LLC | 13K | $7K | 0.0% | 0.108% | 0.00% |
| 11 | TWO SIGMA SECURITIES, LLC | 11K | $6K | β | 0.093% | 0.00% |
| 12 | GROUP ONE TRADING, L.P. | 1K | $749 | -71.4% | 0.011% | 0.00% |
| 13 | ADVISOR GROUP HOLDINGS, INC. | 345 | $184 | +3.0% | 0.003% | 0.00% |
| 14 | WELLS FARGO & COMPANY/MN | 300 | $161 | -85.0% | 0.003% | 0.00% |
| 15 | SBI Securities Co., Ltd. | 200 | $107 | 0.0% | 0.002% | 0.00% |
| 16 | SIMPLEX TRADING, LLC | 118 | $63 | β | 0.001% | 0.00% |
| 17 | UBS Group AG | 95 | $51 | β | 0.001% | 0.00% |
| 18 | Virtu Financial LLC | 13K | $7 | +6.7% | 0.103% | 0.00% |
| 19 | FNY Investment Advisers, LLC | 5K | $2 | +0.9% | 0.043% | 0.00% |
| 20 | MORGAN STANLEY | 1 | $1 | 0.0% | 0.000% | 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 CLGN β a direct measure of their conviction.
Filings activity in CLGN during Q1 2026, grouped by how each filer changed its position.
8 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 | 20 | +18% | 19.54% | 26.37 pp | $1M | 57% |
| Q4 2025 | 17 | +0.0% | 45.91% | 51.92 pp | $2M | 53% |
| Q3 2025 | 17 | +0.0% | 97.83% | +36.79 pp | $4M | +60% |
| Q2 2025 | 17 | +6.3% | 61.04% | 19.21 pp | $3M | 24% |
| Q1 2025 | 16 | +14% | 80.25% | 30.16 pp | $3M | 27% |
| Q4 2024 | 14 | +7.7% | 110.41% | 53.11 pp | $5M | 32% |
| Q3 2024 | 13 | 19% | 163.52% | 9.71 pp | $7M | 5.6% |
| Q2 2024 | 16 | β | 173.23% | β | $7M | 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 CLGN stock.
Based on Q1 2026 13F filings, institutional ownership of CollPlant Biotechnologies Ltd. stands at 19.5%, held across 20 reporting institutions.
VILLERE ST DENIS J & CO LLC is the largest reported institutional holder of CLGN, with approximately 607,300 shares worth $0.00B as of Q1 2026.
Yes β 3 widely-followed marquee investors appear among the top 25 institutional holders of CLGN, including CITADEL ADVISORS LLC, RENAISSANCE TECHNOLOGIES LLC, TWO SIGMA SECURITIES, LLC.
Our composite Smart Money Score for CLGN is 57 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
5 institutions opened new positions in CLGN during Q1 2026, while 2 fully exited. 2 added to existing positions and 13 trimmed.
CLGN institutional ownership fell by 26.37 percentage points quarter-over-quarter, with a net change of +3 holders.
The top 10 institutions account for 99.1% of all reported 13F value in CLGN, 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.