HolderBook

EFFECTOR THERAPEUTICS INC (EFTR)

Institutional ownership reported to the SEC as of Q2 2026, across 14 quarters.

1
Reporting holders
$0
Reported value
0.0%
Held as options
-2
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
PROATHLETE WEALTH MANAGEMENT LLC$0120.00%newNEW

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$0121000.0%
Q3 20243$4.3K114,2010010.0%
Q2 202416$346.0K827,88972230.6%
Q1 202418$13.9M942,06416022.6%
Q4 202326$10.9M11,803,27067350.3%
Q3 202328$14.0M23,425,2935810.4%
Q2 202334$19.8M23,486,49911232.1%
Q1 202324$8.3M23,430,7724440.4%
Q4 202226$10.3M23,943,7354220.4%
Q3 202227$13.7M23,952,4897420.4%
Q2 202223$34.0M24,110,4007600.4%
Q1 202218$90.1M22,473,2054330.4%
Q4 202117$174.2M21,401,9718220.0%
Q3 202112$187.9M13,427,86012000.0%