Dimensional Fund Advisors’s American Shared Hospital Services AMS Stock Holding History

Dimensional Fund Advisors’s Portfolio AMS Stock Details AMS Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$161K	Sell	102,140 -102,980	-50%	-$152K	﹤0.01%	3099
2026 Q1	$297K	Sell	205,120 -1,294	-0.6%	-$2.71K	﹤0.01%	3012
2025 Q4	$436K	Sell	206,414 -3,545	-2%	-$7.77K	﹤0.01%	2989
2025 Q3	$588K	Hold	209,959	–	–	﹤0.01%	2964
2025 Q2	$506K	Hold	209,959	–	–	﹤0.01%	2991
2025 Q1	$584K	Hold	209,959	–	–	﹤0.01%	2980
2024 Q4	$670K	Buy	209,959 +603	+0.3%	+$1.93K	﹤0.01%	2990
2024 Q3	$639K	Buy	209,356 +29,719	+17%	+$92.1K	﹤0.01%	2996
2024 Q2	$574K	Buy	179,637 +8,436	+5%	+$26.7K	﹤0.01%	3007
2024 Q1	$505K	Buy	171,201 +5,145	+3%	+$13.7K	﹤0.01%	3041
2023 Q4	$395K	Hold	166,056	–	–	﹤0.01%	3077
2023 Q3	$410K	Hold	166,056	–	–	﹤0.01%	3082
2023 Q2	$424K	Hold	166,056	–	–	﹤0.01%	3098
2023 Q1	$467K	Buy	166,056 +7,375	+5%	+$22.7K	﹤0.01%	3043
2022 Q4	$465	Buy	158,681 +5,899	+4%	+$16.3K	﹤0.01%	3048
2022 Q3	$395K	Buy	152,782 +1,254	+0.8%	+$3.19K	﹤0.01%	3097
2022 Q2	$337K	Buy	151,528 +1,767	+1%	+$4.04K	﹤0.01%	3158
2022 Q1	$350K	Hold	149,761	–	–	﹤0.01%	3224
2021 Q4	$355K	Sell	149,761 -1,701	-1%	-$4.57K	﹤0.01%	3236
2021 Q3	$418K	Sell	151,462 -69,377	-31%	-$192K	﹤0.01%	3217
2021 Q2	$647K	Sell	220,839 -23,884	-10%	-$66.2K	﹤0.01%	3109
2021 Q1	$678K	Buy	244,723 +63,294	+35%	+$165K	﹤0.01%	3083
2020 Q4	$403K	Sell	181,429 -24,951	-12%	-$48.6K	﹤0.01%	3128
2020 Q3	$374K	Sell	206,380 -38,488	-16%	-$78.1K	﹤0.01%	3119
2020 Q2	$524K	Sell	244,868 -1,121	-0.5%	-$2.01K	﹤0.01%	3071
2020 Q1	$381K	Hold	245,989	–	–	﹤0.01%	3103
2019 Q4	$600K	Hold	245,989	–	–	﹤0.01%	3109
2019 Q3	$617K	Buy	245,989 +1,000	+0.4%	+$2.75K	﹤0.01%	3109
2019 Q2	$703K	Hold	244,989	–	–	﹤0.01%	3127
2019 Q1	$681K	Hold	244,989	–	–	﹤0.01%	3110
2018 Q4	$583K	Hold	244,989	–	–	﹤0.01%	3123
2018 Q3	$857K	Buy	244,989 +3,914	+2%	+$11.7K	﹤0.01%	3094
2018 Q2	$663K	Buy	241,075 +4,864	+2%	+$12.6K	﹤0.01%	3082
2018 Q1	$602K	Hold	236,211	–	–	﹤0.01%	3076
2017 Q4	$613K	Hold	236,211	–	–	﹤0.01%	3069
2017 Q3	$673K	Hold	236,211	–	–	﹤0.01%	3064
2017 Q2	$933K	Hold	236,211	–	–	﹤0.01%	2992
2017 Q1	$1.03M	Buy	236,211 +6,257	+3%	+$25.3K	﹤0.01%	2971
2016 Q4	$770K	Hold	229,954	–	–	﹤0.01%	3021
2016 Q3	$713K	Hold	229,954	–	–	﹤0.01%	3002
2016 Q2	$467K	Hold	229,954	–	–	﹤0.01%	3064
2016 Q1	$510K	Hold	229,954	–	–	﹤0.01%	3042
2015 Q4	$423K	Hold	229,954	–	–	﹤0.01%	3124
2015 Q3	$442K	Hold	229,954	–	–	﹤0.01%	3135
2015 Q2	$584K	Hold	229,954	–	–	﹤0.01%	3115
2015 Q1	$584K	Hold	229,954	–	–	﹤0.01%	3081
2014 Q4	$655K	Sell	229,954 -2,300	-1%	-$5.51K	﹤0.01%	3094
2014 Q3	$513K	Hold	232,254	–	–	﹤0.01%	3148
2014 Q2	$604K	Sell	232,254 -143	-0.1%	-$386	﹤0.01%	3144
2014 Q1	$746K	Hold	232,397	–	–	﹤0.01%	3105
2013 Q4	$644K	Sell	232,397 -433	-0.2%	-$1.09K	﹤0.01%	3130
2013 Q3	$596K	Sell	232,830 -1,267	-0.5%	-$3.48K	﹤0.01%	3161
2013 Q2	$513K	Buy	+234,097	New	+$444K	﹤0.01%	3171

Other funds holding AMS

LPL Financial San Diego, California $445B AUM 25.58% 1-Year Est. Return

Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

JIR

James Investment Research Alpha, Ohio $984M AUM 36.03% 1-Year Est. Return

NewEdge Advisors New Orleans, Louisiana $33.6B AUM 31.03% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

VFT

Vanguard Fiduciary Trust Malvern, Pennsylvania $454B AUM

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Dimensional Fund Advisors's AMS Position: Q2 2026 in Review

Dimensional Fund Advisors reduced its American Shared Hospital Services (AMS) stake by 50% in Q2 2026, selling an estimated $152K and leaving 102,140 shares worth $161K. The position accounts for ﹤0.01% of the portfolio, ranked #3099.

Dimensional Fund Advisors first reported a position in AMS in Q2 2013 and has held it in 53 quarters since. The position peaked at $1.03M in Q1 2017. 14 funds tracked by Wall St. Rank hold AMS as of Q2 2026.

Dimensional Fund Advisors held 102,140 shares of American Shared Hospital Services worth $161K as of Q2 2026.
Dimensional Fund Advisors sold 102,980 American Shared Hospital Services shares in Q2 2026, an estimated $152K.
American Shared Hospital Services made up ﹤0.01% of Dimensional Fund Advisors's portfolio in Q2 2026, its #3099 holding.
Dimensional Fund Advisors first reported a position in American Shared Hospital Services in Q2 2013 and has held it in 53 quarters since.
Dimensional Fund Advisors's American Shared Hospital Services position peaked at $1.03M in Q1 2017.
14 funds tracked by Wall St. Rank held American Shared Hospital Services as of Q2 2026.

Based on Dimensional Fund Advisors's 13F filing for Q2 2026, filed 11 Aug 2026.