Who owns Nanobiotix S.A.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of NBTX from SEC Form 13F filings across 19 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 19 institutions disclosed 5.8M shares of Nanobiotix S.A. worth $217.3M — about 12% of shares outstanding; the largest disclosed holder is JOHNSON & JOHNSON. Source: SEC Form 13F filings, parsed by EvidInvest.
19
13F holders
$217.3M
value, 2026 filers
12%
of shares outstanding (5.8M sh)
7
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of NBTX's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | JOHNSON & JOHNSON | 5.6M | $212.0M | 26.5% | 11.6% | 0.0% |
| 2 | MORGAN STANLEY | 49,789 | $1.9M | 0.0% | 0.1% | +37.3% |
| 3 | JANE STREET GROUP, LLCNEW | 32,180 | $1.2M | 0.0% | 0.1% | new |
| 4 | HRT FINANCIAL LPNEW | 27,332 | $1,030 | 0.0% | 0.1% | new |
| 5 | XTX Topco LtdNEW | 15,855 | $597,734 | 0.0% | 0% | new |
| 6 | Optiver Holding B.V. | 13,631 | $513,889 | 0.0% | 0% | +1.0% |
| 7 | MARSHALL WACE, LLP | 10,044 | $378,659 | 0.0% | 0% | +8.7% |
| 8 | CITADEL ADVISORS LLCNEW | 6,042 | $227,783 | 0.0% | 0% | new |
| 9 | BNP PARIBAS FINANCIAL MARKETS | 4,044 | $152,459 | 0.0% | 0% | +13.6% |
| 10 | UBS Group AG | 2,577 | $97,153 | 0.0% | 0% | -53.6% |
| 11 | ROYAL BANK OF CANADA | 2,189 | $83,000 | 0.0% | 0% | +19.9% |
| 12 | JPMORGAN CHASE & CONEW | 1,706 | $61,348 | 0.0% | 0% | new |
| 13 | RHUMBLINE ADVISERS | 1,502 | $56,622 | 0.0% | 0% | -34.2% |
| 14 | GAMMA Investing LLC | 985 | $37,135 | 0.0% | 0% | +19.0% |
| 15 | OSAIC HOLDINGS, INC. | 500 | $18,850 | 0.0% | 0% | 0.0% |
| 16 | WELLS FARGO & COMPANY/MN | 200 | $7,540 | 0.0% | 0% | 0.0% |
| 17 | Stone House Investment Management, LLCNEW | 76 | $2,865 | 0.0% | 0% | new |
| 18 | Federation des caisses Desjardins du QuebecNEW | 56 | $2,111 | 0.0% | 0% | new |
| 19 | NATIONAL BANK OF CANADA /FI/ | 13 | $482 | 0.0% | 0% | 0.0% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.