DOSSIER · 13F Holders · Q2 2026
ARIMX

AMG RIVER ROAD SMALL-MID CAP V

6 institutions still hold AMG RIVER ROAD SMALL-MID CAP V as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 00171A878·6 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$33M
visible holders
Holders
6
filers reporting
Concentration
58.66%
Hemenway Trust Co LLC #1
top holder share
AI Holders Summary · Q2 2026

6 institutions reported ARIMX in Q2 2026. Hemenway Trust Co LLC leads at 58.7% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
Hemenway Trust Co LLC
CIK 0001494234
$19M1.8M1.36%Q2 2026
02
Broderick Brian C
CIK 0001314376
$7M673K1.10%Q2 2026
03
SOMERVILLE KURT F
CIK 0001215208
$3M260K0.66%Q2 2026
04
Dempze Nancy E
CIK 0001592614
$3M253K1.28%Q2 2026
05
Elefante Mark B
CIK 0001661535
$832K79K0.36%Q2 2026
06
Delaney Dennis R
CIK 0001661536
$382K36K0.12%Q2 2026