Arcadia Biosciences, Inc.
Arcadia Biosciences, Inc. (RKDA) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · RKDA · as of Sep 30, 2025
Ownership Breakdown
16
Institutional Holders
▲ 2 vs Q2
$227,175
Total Inst. Value
▼ $31,958 vs Q2
1.55M
Shares Outstanding
freeFloat 114.50%
65,469
13F Shares Held
▲ 6,240 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
RKDA largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC agricultural production-crops | 14.0K | 1.03% | 1.03% | $48.71M | Nov 7, 2025 | — held |
GEODE CAPITAL MANAGEMENT, LLC agricultural production-crops | 13.0K | 95.10% | 95.10% | $45.11M | Nov 12, 2025 | ▲ 206 |
MARINER, LLC agricultural production-crops | 12.3K | 89.71% | 89.71% | $42.56M | Nov 14, 2025 | ▼ 2.2K |
STATE STREET CORP agricultural production-crops | 12.1K | 88.85% | 88.85% | $42.15M | Nov 14, 2025 | — held |
DRW SECURITIES, LLC agricultural production-crops | 10.0K | 73.38% | 73.38% | $34.81M | Nov 14, 2025 | NEW |
TOWER RESEARCH CAPITAL LLC (TRC) agricultural production-crops | 1.7K | 12.34% | 12.34% | $5.85M | Nov 14, 2025 | ▼ 228 |
UBS GROUP AG agricultural production-crops | 1.1K | 8.04% | 8.04% | $3.81M | Nov 13, 2025 | ▼ 1.4K |
MORGAN STANLEY agricultural production-crops | 608 | 4.45% | 4.45% | $2.11M | May 27, 2026 | ▼ 179 |
CITIGROUP INC agricultural production-crops | 356 | 2.60% | 2.60% | $1.24M | Nov 10, 2025 | NEW |
SBI SECURITIES CO., LTD. agricultural production-crops | 122 | 0.89% | 0.89% | $423,000 | Nov 5, 2025 | ▲ 2 |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
2
Increased
+208 shares3
New Positions
first time holders5
Decreased
−4.1K shares1
Sold Out
fully exitedNet shares change (top 50)
3.9K
+208 / −4.1K
Net new holders
-1
3 new / 1 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
RKDA insider trading · insider activity
Source: SEC Form 4
Insiders have been net buyers of shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
2
Buy transactions
0
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Kawakami Mark Chief Financial Officer | May 9, 2025 | Award | 12,500 | $3.88 | $48.5K | 34.0K | Form 4 ↗ |
Schaefer Thomas J. Chief Executive Officer | May 9, 2025 | Award | 12,500 | $3.88 | $48.5K | 38.0K | Form 4 ↗ |
Kawakami Mark Chief Financial Officer | Feb 3, 2025 | Purchase | 700 | $2.49 | $1.7K | 2.7K | Form 4 ↗ |
Schaefer Thomas J. Chief Executive Officer | Feb 3, 2025 | Purchase | 700 | $2.49 | $1.7K | 2.8K | Form 4 ↗ |
Yoder Amy director | Aug 19, 2024 | Award | 10,909 | $2.71 | $29.6K | 13.4K | Form 4 ↗ |
WALLER GREGORY D director | Aug 19, 2024 | Award | 10,909 | $2.71 | $29.6K | 13.3K | Form 4 ↗ |
Murray Lilian Shackelford director | Aug 19, 2024 | Award | 10,909 | $2.71 | $29.6K | 13.3K | Form 4 ↗ |
Carosella Deborah D director | Aug 19, 2024 | Award | 10,909 | $2.71 | $29.6K | 13.3K | Form 4 ↗ |
Bolles Albert D. director | Aug 19, 2024 | Award | 10,909 | $2.71 | $29.6K | 13.4K | Form 4 ↗ |
Comcowich Kevin director | Aug 19, 2024 | Award | 25,455 | $2.71 | $69.0K | 31.0K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Arcadia Biosciences, Inc. (RKDA) is primarily owned by institutional investors, who hold approximately 4.2% of total shares outstanding. Company insiders own approximately 0.00%, while retail and public investors account for the remaining 110.27%.
The largest institutional shareholder of Arcadia Biosciences, Inc. is VANGUARD GROUP INC, holding approximately 14,038 shares — equal to 1.03% of outstanding shares — as of September 30, 2025.
A total of 16 institutional investors currently hold RKDA stock, with a combined institutional value of approximately $227,175 as of the most recent 13F filing period.
Frequently asked questions
RKDA ownershipArcadia Biosciences, Inc. (RKDA) is primarily owned by institutional investors, who hold approximately 4.2% of shares. The largest shareholder is VANGUARD GROUP INC with a 1.03% stake. Company insiders hold 0.00%. Data sourced from SEC Form 13F as of September 30, 2025.