HolderBook

ARIDIS PHARMACEUTICALS INC (ARDS)

Institutional ownership reported to the SEC as of Q2 2026, across 24 quarters.

1
Reporting holders
$0
Reported value
0.0%
Held as options
+0
Holder change

Options share is the part of reported value carried in derivative lines rather than shares. A high figure means institutions are expressing a view on this security without owning much of it.

Holders

FilerValueShares Their book Held Change
Strengthening Families & Communities, LLC$03,0000.00%2qHELD

Five percent filings

Anyone crossing 5% of a company must say so within days - far sooner than the next quarterly holdings report. A 13D declares an intent to influence the company; a 13G is the passive version. See all activist filings →

FiledFormFiler % of class
2026-08-1413G/AArmistice Capital, LLCwith 1 co-filers11.4%

Quarter by quarter

Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.

QuarterHoldersValue SharesNewAdded TrimmedOptions
Q2 20261$03,0000000.0%
Q1 20261$13,0001000.0%
Q3 20251$33,0001000.0%
Q4 20231$101501000.0%
Q3 20231$1.4K14,0770000.0%
Q2 202314$227.5K1,015,5182311.8%
Q1 202318$1.1M3,426,8046040.9%
Q4 202213$3.7M3,154,5204220.2%
Q3 202216$1.8M1,926,6051540.6%
Q2 202219$2.1M1,868,8713450.5%
Q1 202221$3.4M1,922,2016520.0%
Q4 202120$3.4M1,324,27510509.7%
Q3 202117$7.3M1,991,3947410.0%
Q2 202113$7.9M1,077,0253520.0%
Q1 202110$6.0M1,011,8363510.0%
Q4 202011$4.5M741,2134210.0%
Q3 20207$1.3M182,6041310.0%
Q2 20206$710.7K107,0342200.0%
Q1 20206$556.0K96,3642110.0%
Q4 20195$411.0K92,4970130.0%
Q3 20197$747.0K111,2453110.0%
Q2 20195$477.0K46,9802110.0%
Q1 20194$642.0K58,3791020.0%
Q4 20184$161.0K14,5960000.0%