RKDA
Arcadia Biosciences, Inc.
$0.72
-0.01 (-1.77%)
At close · Jul 6
Market Cap
$1.45M
Shares
2,056,884
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 15
Total Value: $482,135
Total Shares: 349,380
Institutional Ownership Trend
13 quarters
Holder Concentration
Across 15 13F filers · Δ vs Dec 31, 2025Top Holder
45.6%
+9.7 pts
Top 5
94.6%
−4.8 pts
Top 10
100.0%
−0.0 pts
HHI
3,275
Highly concentrated+263
Quarterly Activity
vs Dec 31, 2025
New
6
Increased
3
Decreased
0
Sold Out
4
Unchanged
6
Holder count:
+2
Institutional value:
+522.6%
Shares held:
+793.2%
Top Buyers
vs Dec 31, 2025| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mega GEODE CAPITAL MANAGEMENT, LLC | +21,088 | 31,743 | |
| Mid Tower Research Capital LLC (TRC) | +2,464 | 3,940 | |
| Mega UBS Group AG | +242 | 807 |
Top Sellers
vs Dec 31, 2025No qualifying movers this quarter.
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mid ARMISTICE CAPITAL, LLC | 159,390 | $219,958 | |
| Micro SABBY MANAGEMENT, LLC | 114,554 | $158,084 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | 12,614 | $17,407 | |
| Mega VANGUARD CAPITAL MANAGEMENT LLC | 9,644 | $13,308 | |
| Mega VANGUARD FIDUCIARY TRUST CO | 4,394 | $6,063 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mega VANGUARD GROUP INC | 14,038 | $27,795 | |
| Large OSAIC HOLDINGS, INC. | 75 | $148 | |
| Mega BANK OF AMERICA CORP /DE/ | 12 | $22 | |
| Mid HARBOUR INVESTMENTS, INC. | 1 | $1 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Mid ARMISTICE CAPITAL, LLC | $219,958 | 45.62% | 159,390 | Shares | Sole | 2026-05-15 | ||||
| Micro SABBY MANAGEMENT, LLC | $158,084 | 32.79% | 114,554 | Shares | Defined | 2026-05-15 | ||||
| Mega GEODE CAPITAL MANAGEMENT, LLC | $43,804 | 9.09% | 31,743 | Shares | Defined | 2026-05-15 | ||||
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $17,407 | 3.61% | 12,614 | Shares | Other | 2026-05-15 | ||||
| Mega STATE STREET CORP | $16,761 | 3.48% | 12,146 | Shares | Defined | 2026-05-15 | ||||
| Mega VANGUARD CAPITAL MANAGEMENT LLC | $13,308 | 2.76% | 9,644 | Shares | Defined | 2026-05-15 | ||||
| Mega VANGUARD FIDUCIARY TRUST CO Bank | $6,063 | 1.26% | 4,394 | Shares | Defined | 2026-05-08 | ||||
| Mid Tower Research Capital LLC (TRC) | $5,437 | 1.13% | 3,940 | Shares | Defined | 2026-05-15 | ||||
| Mega UBS Group AG | $1,113 | 0.23% | 807 | Shares | Defined | 2026-05-05 | ||||
| Mid SBI Securities Co., Ltd. Broker-Dealer | $165 | 0.03% | 120 | Shares | Defined | 2026-04-28 | ||||
| Mid GROUP ONE TRADING LLC | $24 | 0.00% | 18 | Shares | Sole | 2026-05-13 | ||||
| Large ASSETMARK, INC | $6 | 0.00% | 5 | Shares | Sole | 2026-05-06 | ||||
| Mega MORGAN STANLEY | $2 | 0.00% | 2 | Shares | Defined | 2026-05-15 | ||||
| Micro SOUTHERN MICHIGAN BANK & TRUST Bank | $2 | 0.00% | 2 | Shares | Sole | 2026-04-27 | ||||
| Mega CITIGROUP INC | $1 | 0.00% | 1 | Shares | Defined | 2026-05-11 | ||||
| No holders match your search. | ||||||||||