Arcadia Biosciences, Inc. (RKDA) Ownership
RKDA ownership summary
as of October 18, 2026- Institutions
- 18.7% of shares outstanding
- Insiders
- 15.87% of shares outstanding
- Shares outstanding
- 2.4M
- Float
- 2.2M shares available to trade
- Short interest
- 3.69% 89K shares short
- Days to cover
- 0.04 short interest up 824.0% vs prior month
- Institutions 18.68%
- Insiders 15.87%
- Other investors 65.45%
RKDA top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | HRT FINANCIAL LLC | 3.67% | 88K | $14,584 | +88,386 (0.0%) | June 30, 2026 |
| 2 | Citadel Advisors Llc | 0.99% | 24K | $3,917 | +23,738 (0.0%) | June 30, 2026 |
| 3 | Virtu Financial LLC | 0.90% | 22K | $3,595 | +21,786 (0.0%) | June 30, 2026 |
| 4 | Geode Capital Management, LLC | 0.67% | 16K | $2,662 | −15,608 (−49.2%) | June 30, 2026 |
| 5 | XTX Topco Ltd | 0.64% | 15K | $2,553 | +15,475 (0.0%) | June 30, 2026 |
| 6 | StoneX Group Inc | 0.57% | 14K | $2,258 | +13,682 (0.0%) | June 30, 2026 |
| 7 | State Street Corp | 0.50% | 12K | $2,004 | — | June 30, 2026 |
| 8 | Jane Street Group LLC | 0.43% | 10K | $1,690 | +10,245 (0.0%) | June 30, 2026 |
| 9 | Vanguard Capital Management, LLC | 0.40% | 9,644 | $1,591 | — | June 30, 2026 |
| 10 | SBI Securities Co Ltd | 0.01% | 120 | $20 | — | June 30, 2026 |
| 11 | TD Waterhouse Canada Inc | <0.01% | 70 | $12 | +70 (0.0%) | June 30, 2026 |
| 12 | UBS Group AG | <0.01% | 35 | $6 | −772 (−95.7%) | June 30, 2026 |
| 13 | Group One Trading, LLC | <0.01% | 18 | $3 | — | June 30, 2026 |
| 14 | Morgan Stanley - Brokerage Accounts | <0.01% | 2 | $0 | — | June 30, 2026 |
| 15 | Southern Michigan Bank & Trust | <0.01% | 2 | $0 | — | June 30, 2026 |
| 16 | Caitong International Asset Management Co., Limited. | 0.00% | 1 | $0 | +1 (0.0%) | June 30, 2026 |
| 17 | Susquehanna International Group, LLP | 0.00% | — | — | −12,614 (−100.0%) | June 30, 2026 |
| 18 | Tower Research Capital LLC | 0.00% | — | — | −3,940 (−100.0%) | June 30, 2026 |
| 19 | Advisor Group Holdings, Inc. | 0.00% | — | — | −75 (−100.0%) | March 31, 2026 |
| 20 | HARBOUR INVESTMENTS, INC. | 0.00% | — | — | −1 (−100.0%) | March 31, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 8 holders added 173K shares and 6 cut 33K.
RKDA top mutual fund and ETF holders
3 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Fidelity Extended Market Index | 0.51% | 12K | $2,042 | — | August 31, 2026 |
| 2 | Fidelity Series Total Market Index | 0.07% | 1,716 | $283 | — | August 31, 2026 |
| 3 | Fidelity Total Market Index | 0.07% | 1,626 | $268 | — | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
RKDA insider transactions
latest 5| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2025-02-03 | Mark Kawakami | Buy | $2.49 | 700 | $1,743 |
| 2024-08-01 | Mark Kawakami | Buy | $2.06 | 700 | $1,442 |
| 2024-02-01 | Thomas J Schaefer | Buy | $2.06 | 700 | $1,442 |
| 2023-08-04 | Thomas J Schaefer | Buy | $3.67 | 649 | $2,382 |
| 2023-05-30 | Stanley Jacot Jr | Buy | $4.31 | 5,000 | $21,550 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
RKDA shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns RKDA
Institutional investors own 18.7% of Arcadia Biosciences's shares and insiders 15.87%. The largest holder is HRT FINANCIAL LLC with 3.67% of the shares (88K), as of June 30, 2026. Among the top 20 institutions, 8 added shares and 6 reduced their stake in the latest filings. Short interest is 3.69% of the float, or 0.04 days of average trading volume. The share count fell 28.0% since 2014.
Related: RKDA analyst forecast, RKDA key metrics. See the RKDA stock overview for the latest quote and news.
RKDA ownership FAQ
Who owns the most Arcadia Biosciences stock?
The largest shareholders of Arcadia Biosciences are HRT FINANCIAL LLC (3.67%), Citadel Advisors Llc (0.99%), Virtu Financial LLC (0.90%), Geode Capital Management, LLC (0.67%), XTX Topco Ltd (0.64%).
What percentage of Arcadia Biosciences is owned by institutions?
Institutions hold 18.7% of Arcadia Biosciences's shares outstanding; insiders hold 15.87%.
Which funds own Arcadia Biosciences?
The largest fund holders of Arcadia Biosciences are Fidelity Extended Market Index (0.51%), Fidelity Series Total Market Index (0.07%), Fidelity Total Market Index (0.07%).
What is Arcadia Biosciences's short interest?
89K shares of Arcadia Biosciences were sold short, 3.69% of the float; at the average daily volume it would take 0.04 days to cover.
Are insiders buying or selling Arcadia Biosciences?
Of the latest 5 reported insider transactions in Arcadia Biosciences (since May 30, 2023), 5 were purchases and 0 were sales.
How many shares of Arcadia Biosciences are outstanding?
Arcadia Biosciences has 2.4M shares outstanding, of which 2.2M are in the public float.