Hedge Funds Similar to GAM Holding AG

13F Portfolio OverlapQ4 2025GAM Holding AG portfolio →
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Most similar hedge funds by 13F overlap

GAM Holding AG is an institutional investor managing $1.6B across 288 U.S. equity positions as of Q4 2025. Based on the overlap of conviction holdings in their latest 13F filings, the hedge funds with portfolios most similar to GAM Holding AG are SIH Partners, LLLP, Banque Cantonale Vaudoise, Zurcher Kantonalbank (Zurich Cantonalbank), with shared positions in $UBS, $AMRZ, $ALC, $RACE, $LOGI, $AMAT. The full ranking of 25 similar funds is below.

Some overlap · 6 shared positions
$7.6B
291 positions
Some overlap · 6 shared positions
$2.7B
875 positions
Some overlap · 5 shared positions
$46.0B
2,544 positions
Some overlap · 7 shared positions
$489M
32 positions
Some overlap · 5 shared positions
$29.1B
1,188 positions
Some overlap · 5 shared positions
$1.0B
154 positions
Some overlap · 4 shared positions
$6.1B
217 positions
Some overlap · 4 shared positions
$8.1B
454 positions
Some overlap · 3 shared positions
$277M
94 positions
Some overlap · 3 shared positions
$106M
8 positions
Some overlap · 5 shared positions
$8.2B
283 positions
Some overlap · 5 shared positions
$319M
206 positions
Some overlap · 5 shared positions
$5.8B
280 positions
Some overlap · 4 shared positions
$4.1B
77 positions
Some overlap · 5 shared positions
$703M
79 positions
Some overlap · 4 shared positions
$19.5B
179 positions
Some overlap · 4 shared positions
$4.8B
484 positions
#18InvesTrustPassive
Some overlap · 4 shared positions
$238M
91 positions
Some overlap · 4 shared positions
$157M
36 positions
Some overlap · 3 shared positions
$6.7B
204 positions
Some overlap · 4 shared positions
$127M
60 positions
#22Boston PartnersPassive
Some overlap · 4 shared positions
$95.5B
767 positions
Some overlap · 4 shared positions
$220M
80 positions
Some overlap · 4 shared positions
$230M
108 positions
Some overlap · 4 shared positions
$333M
46 positions

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Similarity is derived from each fund’s latest 13F-HR filing with the SEC. Funds are ranked by the overlap of distinctive conviction holdings; near-universal mega-cap positions are excluded so the ranking reflects shared strategy, not common index exposure. Data is informational only and not investment advice.