AMIX
Autonomix Medical, Inc.Company with tickers: AMIX
CIK
1617867
CUSIP
05330T205
Shares Outstanding
11,409,344
13F Activity (30d)
13 filings
13 filers
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: $139,497
Total Shares: 357,711
Institutional Ownership Trend
Holder Concentration
Across 15 13F filers · Δ vs Dec 31, 2025Top Holder
49.1%
+17.9 pts
Top 5
89.0%
+0.0 pts
Top 10
100.0%
+0.0 pts
HHI
2,886
Highly concentrated
+997
Quarterly Activity
vs Dec 31, 2025
New
2
Increased
2
Decreased
3
Sold Out
4
Unchanged
8
Holder count:
-2
Institutional value:
+48.8%
Shares held:
+109.8%
Top Buyers
vs Dec 31, 2025| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mega GEODE CAPITAL MANAGEMENT, LLC | +152,114 | 175,621 | |
| Mega UBS Group AG | +33,370 | 33,497 |
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Large Mariner, LLC | −233 | 52,910 | |
| Small Investors Research Corp | −20 | 200 | |
| Mid Tower Research Capital LLC (TRC) | −8 | 5,841 |
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mid Virtu Financial LLC | 12,884 | $5,024 | |
| Mid Farther Finance Advisors, LLC | 10 | $3 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Small TWO SIGMA SECURITIES, LLC | 10,855 | $5,970 | |
| Mega BANK OF AMERICA CORP /DE/ | 50 | $27 | |
| Large OSAIC HOLDINGS, INC. | 10 | $5 | |
| Mid Global Retirement Partners, LLC | 10 | $5 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Mega GEODE CAPITAL MANAGEMENT, LLC | $68,491 | 49.10% | 175,621 | Shares | Defined | 2026-05-15 | ||||
| Large Mariner, LLC | $20,634 | 14.79% | 52,910 | Shares | Sole | 2026-05-13 | ||||
| Mega UBS Group AG | $13,063 | 9.36% | 33,497 | Shares | Defined | 2026-05-05 | ||||
| Mega LPL Financial LLC | $12,259 | 8.79% | 31,435 | Shares | Sole | 2026-05-06 | ||||
| Mega BANK OF MONTREAL /CAN/ Bank | $9,750 | 6.99% | 25,000 | Shares | Defined | 2026-05-13 | ||||
| Mid Ikarian Capital, LLC | $7,288 | 5.22% | 18,688 | Shares | Sole | 2026-05-15 | ||||
| Mid Virtu Financial LLC | $5,024 | 3.60% | 12,884 | Shares | Defined | 2026-05-14 | ||||
| Mid Tower Research Capital LLC (TRC) | $2,277 | 1.63% | 5,841 | Shares | Defined | 2026-05-15 | ||||
| Mega PNC FINANCIAL SERVICES GROUP, INC. | $619 | 0.44% | 1,588 | Shares | Defined | 2026-05-08 | ||||
| Small Investors Research Corp | $78 | 0.06% | 200 | Shares | Sole | 2026-04-03 | ||||
| Micro Key Capital Management, INC | $3 | 0.00% | 10 | Shares | Sole | 2026-05-07 | ||||
| Mid HARBOUR INVESTMENTS, INC. | $3 | 0.00% | 10 | Shares | Sole | 2026-05-15 | ||||
| Mid Farther Finance Advisors, LLC | $3 | 0.00% | 10 | Shares | Sole | 2026-04-07 | ||||
| Micro SWAN Capital LLC | $3 | 0.00% | 10 | Shares | Sole | 2026-05-14 | ||||
| Large NATIONAL BANK OF CANADA /FI/ Bank | $2 | 0.00% | 7 | Shares | Defined | 2026-05-15 | ||||
| No holders match your search. | ||||||||||