Who owns Cybin (CYBN)
Which tracked institutional funds hold CYBN, how they are positioned, and who is buying versus exiting — from SEC Form 13F-HR filings. See CYBN company fundamentals →
Ownership as of the 2026-Q2 13F filings (latest filed 2026-08-17). 13F is disclosed up to 45 days after quarter-end, so the most recent quarter fills in over the following weeks.
How the tape is positioned
The tracked-fund tape on CYBN is one-sided between 2026-Q1 and 2026-Q2: 32 added or opened and 5 trimmed or exited — on balance accumulating.
A prompt to read the filings, not a verdict. 13F is a quarter-end snapshot disclosed up to 45 days late; a fund adds or exits for mandate, benchmark, and timing reasons that have nothing to do with a view on the stock. This is a starting question, not a signal to trade.
Conviction spread
CYBN’s largest tracked holder by dollar value, Venrock Adviser, LLC, sizes it at 0.8% of its own reported 13F book, while the median holder sizes it at 0.0% of theirs — a 0.8pp conviction gap — its largest holder concentrates the name more heavily than the typical one.
Book-share is each fund’s reported value in CYBN divided by its whole reported 13F book, so it is comparable across funds of different sizes and is unaffected by stock splits. A higher share means a fund has committed more of its book to the name — a starting question about conviction, not a verdict or a signal to trade.
Institutional & insider positioning
Between 2026-Q1 and 2026-Q2, across 96 tracked filers holding CYBN, 59 increased or opened the position and 26 reduced or closed it; over the same quarter, there were no open-market insider Form 4s.
This fuses two public signals for the same quarter — how tracked institutions changed their positions and whether insiders bought or sold in the open market. It describes what was filed; it is a starting question, not a verdict or a signal to trade.
New buyers & exits
Funds opening or closing a position in CYBN between the 2026-Q1 and 2026-Q2 13F filings, and the largest changes among funds holding it in both. New buyers and exits are counted on fund presence (split-invariant); adds and trims are measured on reported value.
New buyers 10
- Sio Capital Management, LLC$9M
- Logos Global Management LP$5M
- Walleye Capital LLC$3M
- BANK OF AMERICA CORP /DE/$2M
- SUPERSTRING CAPITAL MANAGEMENT LP$1M
- DIADEMA PARTNERS LP$1M
Full exits 3
- EVENTIDE ASSET MANAGEMENT, LLC$7M
- Deep Track Capital, LP$6M
- HRT FINANCIAL LP$897K
Largest adds
- ADAGE CAPITAL PARTNERS GP, L.L.C.$17M
- Venrock Adviser, LLC$7M
- DCF Advisers, LLC$6M
- SPHERA FUNDS MANAGEMENT LTD.$6M
- MILLENNIUM MANAGEMENT LLC$6M
- Rosalind Advisors, Inc.$6M
Largest trims
- MORGAN STANLEY$2M
- SUSQUEHANNA INTERNATIONAL GROUP, LLP$537K
Institutional holders
One row per tracked fund, largest reported value first. “% of value” is the fund’s share of this security’s tracked institutional value — not of shares outstanding. Rows marked stale are from an earlier filing than the security’s latest quarter — that fund is absent from the newest snapshot (position exited, or reported under a different name).
| Fund | Shares | Reported value | % of value | Quarter |
|---|---|---|---|---|
| Venrock Adviser, LLC | 3,851,654 | $25M | 11.2% | 2026-Q2 |
| ORBIMED ADVISORS LLC trimmed | 3,271,400 | $22M | 9.5% | 2026-Q2 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. added | 3,060,000 | $20M | 8.9% | 2026-Q2 |
| MILLENNIUM MANAGEMENT LLC added | 2,632,156 | $17M | 7.7% | 2026-Q2 |
| Rosalind Advisors, Inc. added | 1,956,814 | $13M | 5.7% | 2026-Q2 |
| SPHERA FUNDS MANAGEMENT LTD. added | 1,620,753 | $11M | 4.7% | 2026-Q2 |
| ACORN CAPITAL ADVISORS, LLC | 1,540,266 | $10M | 4.5% | 2026-Q2 |
| DCF Advisers, LLC added | 1,434,988 | $9M | 4.2% | 2026-Q2 |
| Sio Capital Management, LLC new | 1,300,000 | $9M | 3.8% | 2026-Q2 |
| Nan Fung Group Holdings Ltd added | 987,222 | $7M | 2.9% | 2026-Q2 |
| Boxer Capital Management, LLC added | 790,000 | $5M | 2.3% | 2026-Q2 |
| Logos Global Management LP added | 750,000 | $5M | 2.2% | 2026-Q2 |
| CITADEL ADVISORS LLC trimmed | 620,959 | $4M | 1.8% | 2026-Q2 |
| DAFNA Capital Management LLC added | 514,061 | $3M | 1.5% | 2026-Q2 |
| Walleye Capital LLC added | 502,554 | $3M | 1.5% | 2026-Q2 |
| MORGAN STANLEY trimmed | 461,886 | $3M | 1.3% | 2026-Q2 |
| Knott David M Jr added | 370,000 | $2M | 1.1% | 2026-Q2 |
| BANK OF AMERICA CORP /DE/ added | 337,435 | $2M | 1.0% | 2026-Q2 |
| AdvisorShares Investments LLC added | 292,711 | $2M | 0.9% | 2026-Q2 |
| JANE STREET GROUP, LLC added | 280,903 | $2M | 0.8% | 2026-Q2 |
| JPMORGAN CHASE & CO added | 237,828 | $2M | 0.7% | 2026-Q2 |
| ROYCE & ASSOCIATES LP added | 232,078 | $2M | 0.7% | 2026-Q2 |
| UBS Group AG trimmed | 218,726 | $1M | 0.6% | 2026-Q2 |
| SUPERSTRING CAPITAL MANAGEMENT LP new | 204,424 | $1M | 0.6% | 2026-Q2 |
| DIADEMA PARTNERS LP new | 200,000 | $1M | 0.6% | 2026-Q2 |
| BALYASNY ASSET MANAGEMENT L.P. new | 191,193 | $1M | 0.6% | 2026-Q2 |
| Pale Fire Capital SE | 153,505 | $1M | 0.4% | 2026-Q2 |
| PDT Partners, LLC new | 150,297 | $993K | 0.4% | 2026-Q2 |
| Eversept Partners, LP new | 146,403 | $968K | 0.4% | 2026-Q2 |
| Stonepine Capital Management, LLC added | 330,530 | $966K | 0.4% | 2026-Q2 |
| Ikarian Capital, LLC | 132,153 | $874K | 0.4% | 2026-Q2 |
| Point72 Asset Management, L.P. added | 106,457 | $704K | 0.3% | 2026-Q2 |
| ADAR1 Capital Management, LLC added | 81,278 | $537K | 0.2% | 2026-Q2 |
| BlackRock, Inc. added | 80,719 | $534K | 0.2% | 2026-Q2 |
| WELLINGTON MANAGEMENT GROUP LLP new | 78,215 | $517K | 0.2% | 2026-Q2 |
| Altshuler Shaham Ltd new | 72,000 | $476K | 0.2% | 2026-Q2 |
| Independent Advisor Alliance new | 69,933 | $462K | 0.2% | 2026-Q2 |
| D. E. Shaw & Co., Inc. new | 61,782 | $408K | 0.2% | 2026-Q2 |
| Blue Owl Capital Holdings LP new | 59,911 | $396K | 0.2% | 2026-Q2 |
| Persistent Asset Partners Ltd new | 50,979 | $337K | 0.1% | 2026-Q2 |
| Quadrature Capital Ltd trimmed | 46,789 | $309K | 0.1% | 2026-Q2 |
| PEAK6 LLC trimmed | 43,417 | $287K | 0.1% | 2026-Q2 |
| Fore Capital, LLC | 36,421 | $241K | 0.1% | 2026-Q2 |
| ROYAL BANK OF CANADA added | 35,537 | $234K | 0.1% | 2026-Q2 |
| PDS Planning, Inc | 30,344 | $201K | 0.1% | 2026-Q2 |
| BOOTHBAY FUND MANAGEMENT, LLC | 29,404 | $194K | 0.1% | 2026-Q2 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP trimmed | 26,116 | $173K | 0.1% | 2026-Q2 |
| Graham Capital Management, L.P. added | 23,376 | $155K | 0.1% | 2026-Q2 |
| Invesco Ltd. new | 23,130 | $153K | 0.1% | 2026-Q2 |
| GOLDMAN SACHS GROUP INC trimmed | 19,805 | $131K | 0.1% | 2026-Q2 |
| Jump Financial, LLC added | 19,453 | $129K | 0.1% | 2026-Q2 |
| Verdad Advisers, LP new | 18,500 | $122K | 0.1% | 2026-Q2 |
| Rockefeller Capital Management L.P. new | 15,000 | $99K | 0.0% | 2026-Q2 |
| GEODE CAPITAL MANAGEMENT, LLC added | 14,372 | $95K | 0.0% | 2026-Q2 |
| Scientech Research LLC new | 14,081 | $93K | 0.0% | 2026-Q2 |
| AXQ CAPITAL, LP trimmed | 11,315 | $75K | 0.0% | 2026-Q2 |
| Millington Financial Advisors, LLC | 10,000 | $72K | 0.0% | 2026-Q2 |
| Mayflower Financial Advisors, LLC | 10,290 | $68K | 0.0% | 2026-Q2 |
| LPL Financial LLC trimmed | 10,071 | $67K | 0.0% | 2026-Q2 |
| Formidable Asset Management, LLC trimmed | 10,217 | $49K | 0.0% | 2026-Q2 |
| China Universal Asset Management Co., Ltd. trimmed | 6,000 | $40K | 0.0% | 2026-Q2 |
| Caitlin John, LLC new | 5,000 | $33K | 0.0% | 2026-Q2 |
| Quent Capital, LLC | 4,453 | $29K | 0.0% | 2026-Q2 |
| NATIONAL BANK OF CANADA /FI/ added | 5,357 | $25K | 0.0% | 2026-Q2 |
| Federation des caisses Desjardins du Quebec added | 3,684 | $24K | 0.0% | 2026-Q2 |
| OSAIC HOLDINGS, INC. added | 3,548 | $23K | 0.0% | 2026-Q2 |
| North Star Investment Management Corp. | 3,380 | $22K | 0.0% | 2026-Q2 |
| Global Retirement Partners, LLC trimmed | 2,977 | $20K | 0.0% | 2026-Q2 |
| IAG Wealth Partners, LLC | 2,750 | $18K | 0.0% | 2026-Q2 |
| Integrated Wealth Concepts LLC new | 2,481 | $16K | 0.0% | 2026-Q2 |
| Farther Finance Advisors, LLC added | 2,221 | $15K | 0.0% | 2026-Q2 |
| CITIGROUP INC trimmed | 1,847 | $12K | 0.0% | 2026-Q2 |
| HARBOUR INVESTMENTS, INC. added | 1,250 | $8K | 0.0% | 2026-Q2 |
| Ancora Advisors LLC added | 663 | $4K | 0.0% | 2026-Q2 |
| Quarry LP new | 658 | $4K | 0.0% | 2026-Q2 |
| IFP Advisors, Inc | 200 | $1K | 0.0% | 2026-Q2 |
| Kentucky Trust Co new | 200 | $1K | 0.0% | 2026-Q2 |
| Avalon Trust Co | 197 | $1K | 0.0% | 2026-Q2 |
| Atlantic Edge Private Wealth Management, LLC | 137 | $906 | 0.0% | 2026-Q2 |
| Tidemark, LLC | 131 | $866 | 0.0% | 2026-Q2 |
| AMERIFLEX GROUP, INC. | 131 | $866 | 0.0% | 2026-Q2 |
| Aspect Partners, LLC new | 118 | $780 | 0.0% | 2026-Q2 |
| Hilton Head Capital Partners, LLC | 117 | $773 | 0.0% | 2026-Q2 |
| NewEdge Advisors, LLC | 95 | $628 | 0.0% | 2026-Q2 |
| TD Waterhouse Canada Inc. trimmed | 83 | $521 | 0.0% | 2026-Q2 |
| NVWM, LLC | 59 | $390 | 0.0% | 2026-Q2 |
| Caitong International Asset Management Co., Ltd added | 29 | $192 | 0.0% | 2026-Q2 |
| CENTRAL TRUST Co | 26 | $172 | 0.0% | 2026-Q2 |
| MCDONALD PARTNERS LLC new | 26 | $172 | 0.0% | 2026-Q2 |
| Westside Investment Management, Inc. | 26 | $172 | 0.0% | 2026-Q2 |
| City State Bank | 25 | $165 | 0.0% | 2026-Q2 |
| Allworth Financial LP | 20 | $133 | 0.0% | 2026-Q2 |
| Arax Advisory Partners | 13 | $86 | 0.0% | 2026-Q2 |
| CoreCap Advisors, LLC added | 6 | $40 | 0.0% | 2026-Q2 |
| CNB Bank | 4 | $26 | 0.0% | 2026-Q2 |
| MCGUIRE CAPITAL ADVISORS INC | 1 | $7 | 0.0% | 2026-Q2 |
| EVENTIDE ASSET MANAGEMENT, LLC added | 1,410,815 | $7M | 3.0% | 2026-Q1 stale (1 quarter behind) |
| Deep Track Capital, LP trimmed | 1,313,137 | $6M | 2.8% | 2026-Q1 stale (1 quarter behind) |
| Spruce Street Capital LP new | 770,000 | $6M | 2.8% | 2025-Q4 stale (2 quarters behind) |
| TANG CAPITAL MANAGEMENT LLC | 1,830,097 | $11M | 4.8% | 2025-Q3 stale (3 quarters behind) |
Ownership over time
Tracked institutional holder count and total shares held by filing quarter (independent scales). The curated-era tail and any mid-ingest latest quarter are handled honestly — a partial quarter is not drawn as a collapse.
Reading this table
Funds hold the same stock for different reasons — an index fund “holds” almost everything, an active manager sizes a name to a mandate and a benchmark, and each fund entered at its own price and time. Because 13F is filed up to 45 days after quarter-end, every row is a backward-looking snapshot; a manager may have traded since. Share-class siblings (a company’s A and C shares) are rolled up to one line so a dual-class name is never double-counted. Compare like-for-like. A large holder is not an endorsement, and a fund exiting is not a warning — this is a starting question, not a verdict.
About 13F filings
A Form 13F is a quarterly disclosure that institutional investment managers with over $100 million in US-listed equities must file with the SEC. In plain English: it is a snapshot of the long stock positions a fund held at the end of a quarter. It covers long US-listed equities only — not short positions, options, cash, or private holdings — and the funds shown are the large sample we track, not the complete 13F universe.