Amg Rr Smid Val-i
$10.92+0.2%
+$436.1K
Net Activity
+1.33% total shares
Institutions Holding
6
Popularity Rank
#11354
Avg Weight
0.81%
Total Value
$33.2M
6 institutions currently hold ARIMX, with 3 net buyers and 1 net sellers this quarter.
Institutional Moves (Q2 2026)
Significantly Increased
Based on recent trading activity
Net Selling Institutions
1
Net Buying Institutions
3
Top 5 by Value
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Across its top 6 institutional holders, ARIMX's holder base skews toward low-concentration, low-turnover investors on average (avg. concentration score 13/100, avg. turnover score 22/100).
ARIMX ranks #11354 out of 37503 tracked stocks by institutional interest, inside the more closely watched half of our coverage.
6 institutions disclose a position in ARIMX, but none treat it as a major bet — even Hemenway Trust Co LLC, its most concentrated holder, allocates just 1.4% of its own portfolio to it.
Elefante Mark B has added to its ARIMX position for two straight quarters, increasing it by $417.9K to reach $832.3K today.
+$442.6K
Total Buy Value
$6.5K
Total Sell Value
3
Net Buyers
1
Net Sellers
ARIMX
Q2 2026
Top 5 Institutional Movers
+$1.6M
+$525.3K
+$197.1K
+$196.7K
+$184.5K
ARIMX does not currently have enough recent insider (Form 4) trading activity to compute a convergence signal against its 13F institutional flows.
13F data as of 2026-06-30 quarterly filings. Note: many large institutions file close to the 45-day post-quarter deadline, so early-quarter flow figures can shift substantially as more filings arrive.
No Form 144 planned sale filings in the last 90 days
No Schedule 13D/13G filings for this ticker
No Form 8-K filings for this ticker
00171A878
The most-added stocks by 13F institutions this quarter
Institutions Holding
6,243
Total reported value
$2.2T
3231 13F institutions increased their position this quarter
Institutions Holding
5,991
Total reported value
$3.6T
3034 13F institutions increased their position this quarter
Institutions Holding
6,154
Total reported value
$1.8T
2973 13F institutions increased their position this quarter
The most widely held stocks tracked across all 13F institutions
Institutions Holding
4,247
Total reported value
$320.5B
Held by 4247 institutions — one of the most-tracked stocks on AlphaSMO
Institutions Holding
4,232
Total reported value
$346.4B
Held by 4232 institutions — one of the most-tracked stocks on AlphaSMO
Institutions Holding
4,126
Total reported value
$257.5B
Held by 4126 institutions — one of the most-tracked stocks on AlphaSMO
Access ARIMX's institutional ownership data programmatically:
REST API
curl https://alphasmo.com/api/v1/market/stock/ARIMXCLI
npx alphasmo stocks get ARIMX