Protagenic Therapeutics

PTIX · NASDAQ

$0.75−$0.03 (−3.85%)TodayMarket closed ·
No price history for this range.

Who owns PTIX

Largest institutional holders, from their latest 13F filings

The 4 largest institutions hold 10.8% of PTIX’s shares.

  • Armen (Garo H.)6.2%
  • DRW Securities, LLC2.3%
  • FNY Investment Advisers LLC1.4%
  • Armistice Capital LLC0.9%
  • All other shareholders89.2%
Top institutional holders of PTIX
HolderShares% of shares
Armen (Garo H.)112.29K6.20%
DRW Securities, LLC41.78K2.31%
FNY Investment Advisers LLC25.00K1.38%
Armistice Capital LLC17.14K0.95%

Insider trades

Form 4 filings by officers, directors and large holders

Over the last 6 months, insiders bought $30.72K (7 trades) of PTIX on the open market, with no sales.

Latest PTIX insider transactions
InsiderTypeSharesValue
ARMEN GARO HBuy20.00K$13.00K
ARMEN GARO HBuy16.63K$9.81K
ARMEN GARO HBuy2.70K$945
ARMEN GARO HBuy2.22K$710
ARMEN GARO HBuy685$151
ARMEN GARO HBuy5.00K$1.29K
ARMEN GARO HBuy26.29K$4.81K

Short interest

Settled Sep 30, 2026

Shares short
12.97K
Days to cover
1.19
% of shares outstanding
0.72%
Average daily volume
10.94K
Change since last report
+0.4%

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