AZTR
Azitra, Inc.Company with tickers: AZTR
CIK
1701478
CUSIP
05479L302
Shares Outstanding
16,192,438
13F Activity (30d)
6 filings
6 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: 7
Total Value: $126,470
Total Shares: 540,487
Institutional Ownership Trend
Holder Concentration
Across 7 13F filers · Δ vs Dec 31, 2025Top Holder
86.9%
+52.5 pts
Top 5
99.8%
+6.5 pts
Top 10
100.0%
0.0 pts
HHI
7,615
Highly concentrated
+5,303
Quarterly Activity
vs Dec 31, 2025
New
4
Increased
3
Decreased
0
Sold Out
6
Unchanged
0
Holder count:
-2
Institutional value:
+111.7%
Shares held:
+139.8%
Top Buyers
vs Dec 31, 2025| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mega GEODE CAPITAL MANAGEMENT, LLC | +392,266 | 469,878 | |
| Mega UBS Group AG | +29,207 | 30,205 | |
| Mid Tower Research Capital LLC (TRC) | +14,986 | 15,085 |
Top Sellers
vs Dec 31, 2025No qualifying movers this quarter.
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Small StoneX Group Inc. | 22,464 | $5,256 | |
| Mega CITIGROUP INC | 1,705 | $398 | |
| Micro Dauntless Investment Group, LLC | 1,000 | $234 | |
| Mega FMR LLC | 150 | $35 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mid DRW Securities, LLC | 61,823 | $16,383 | |
| Mid XTX Topco Ltd | 28,231 | $7,481 | |
| Mega JANE STREET GROUP, LLC | 22,248 | $5,895 | |
| Mega TWO SIGMA INVESTMENTS, LP | 20,291 | $5,377 | |
| Micro Sassicaia Capital Advisers LLC | 14,059 | $3,725 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Mega GEODE CAPITAL MANAGEMENT, LLC | $109,951 | 86.94% | 469,878 | Shares | Defined | 2026-05-15 | ||||
| Mega UBS Group AG | $7,067 | 5.59% | 30,205 | Shares | Defined | 2026-05-05 | ||||
| Small StoneX Group Inc. | $5,256 | 4.16% | 22,464 | Shares | Defined | 2026-05-14 | ||||
| Mid Tower Research Capital LLC (TRC) | $3,529 | 2.79% | 15,085 | Shares | Other | 2026-05-15 | ||||
| Mega CITIGROUP INC | $398 | 0.31% | 1,705 | Shares | Defined | 2026-05-11 | ||||
| Micro Dauntless Investment Group, LLC | $234 | 0.19% | 1,000 | Shares | Sole | 2026-05-14 | ||||
| Mega FMR LLC | $35 | 0.03% | 150 | Shares | Defined | 2026-05-15 | ||||
| No holders match your search. | ||||||||||