Advertisement

PTIX

Protagenic Therapeutics, Inc.

Healthcare · USD

Set alert

Price alert · PTIX

All alert types
0.64 USD -0.01 -1.53%
As of Oct 30, 2026 Extended hours 0.50 -21.63%
Bid
0.74 × 1,000
Ask
0.75 × 2,800
0.6379 Day range 0.6379
0.128 52-week range 2.57
YTD
-50.93%
1 year
-74.17%
Open
0.6379
Prev close
0.6478
Mkt cap
1.15M
Vol
118
Avg vol
11.92K
EPS
2.23
P/E
0.29
Div yield
0.00%
More statistics
Low
0.6379
High
0.6379
Forward P/E
-0.92
Beta
0.25
Short ratio
1.33
Inst. own
5.77%
Dividend
0.00
Ex-div date
Earnings
Aug 14, 2023
50-d avg
0.6005
200-d avg
0.916195
1y target
0.00

5D chart

Chart tools
Interval

Chart is warming up

The five-day price history for PTIX has not been loaded yet. Try again in a moment.

Ownership

Held by insiders 14.25%
Held by institutions 5.77%
Float held by institutions 6.73%
Institutions 11

Top institutional holders

Top institutional holders
Holder% heldSharesValueReported
Citadel Advisors Llc0.57%40,90921.87KSep 29, 2024
Vanguard Group Inc0.46%33,16617.73KSep 29, 2024
Geode Capital Management, LLC0.36%26,05413.93KSep 29, 2024
Osaic Holdings Inc0.30%21,41411.45KSep 29, 2024
State Street Corporation0.19%13,8127.38KSep 29, 2024
Virtu Financial LLC0.18%13,1187.01KSep 29, 2024

Top mutual fund holders

Top mutual fund holders
Holder% heldSharesValueReported
Vanguard Extended Market Index Fund0.45%31,99617.11KSep 29, 2024
Fidelity Extended Market Index Fund0.24%17,0599.12KOct 30, 2024
Fidelity NASDAQ Composite Index Fund0.07%5,0072.68KOct 30, 2024
Fidelity Series Total Market Index Fund0.05%3,2891.76KOct 30, 2024
PTIX insiders
InsiderRelationLatest transactionDateShares held
ARROW ALEXANDER KChief Financial OfficerPurchaseOct 11, 202345,815
Advertisement