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GAM Holding AG — 13F Holdings & Portfolio

CIK 1438848 · latest 13F-HR filed 2026-08-14

Backtest portfolio

GAM Holding AG manages $1.31B in 13F-reported U.S. long-equity assets across 299 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are NVDA (3.63%), MSFT (3.32%), GOOGL (3.16%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 41 new positions and exited 44; 95 existing positions rose in reported value and 97 fell.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

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AUM
$1.31B

Long-equity book

Holdings
299

Distinct positions

Period
2026-06-30

Filed 2026-08-14

Q/Q Activity
+41 / −44 / ↑95 / ↓97

vs 2026-03-31

Portfolio charts

Latest quarter's book, what changed, and how the portfolio has evolved across filings.

Portfolio map

Q2 26
NVDA5.4% · -4%GOOGL5.1% · +8%MSFT4.0% · +2%AAPL3.9% · -6%AMZN3.2% · -4%UBS2.9% · +8%AVGO2.8% · +27%META2.5% · +18%LLY2.1% · +1%AMAT2.1% · -4%URTH2.1% · -7%TSM1.9% · +25%AZN1.7% · newV1.4% · -20%MU1.1% · +131%JNJ1.1% · -1%HLT1.1% · -6%CSCO1.1% · -3%RACE1.0% · -16%TPR1.0% · +4%JPM1.0% · -6%VIK1.0% · -3%CRH0.9% · +11%MA0.9% · +27%MAR0.9% · +26%LOGI0.9% · -1%AMRZ0.9% · -0%MRK0.9% · -1%ZGN0.9% · -18%SW0.7% · +13%CAT0.7% · -5%WMT0.7% · -2%KLAC0.7% · +1112%GOOG0.7% · -6%IEMG0.7% · -12%ETN0.6% · +16%RL0.6% · -30%VOO0.6% · 0%SN0.6% · +67%XOM0.6% · -28%COST0.6% · -3%ALC0.6% · +0%KO0.6% · -2%GE0.6% · +69%WFC0.6% · -3%PG0.6% · -36%UNH0.5% · -29%AS0.5% · -8%MELI0.5% · -3%AMD0.5% · -25%MKL0.5% · -0%XP0.5% · +18%LTH0.5% · newABBV0.5% · +126%RCL0.5% · -25%DIS0.5% · +1%NFLX0.4% · +6%OSW0.4% · +13%LEVI0.4% · +66%CARG0.4% · +201%

Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.

Sector mix

% of 13F value

Sectors from each company's SIC code; funds and ETFs grouped separately.

Biggest buys and sells

Q1 26 → Q2 26

Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.

13F assets and positions

4 quarters

Total reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.

Top positions over time

reported value

The eight largest current positions, valued at each quarter end.

Concentration

top 10 = 34%

Cumulative share of the portfolio held in the largest N positions.

Firm Profile & Key People

Name Title / Status Ownership Type

Quarter-over-quarter changes

Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.

GAM Holding AG Holdings (2026-06-30)

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 NVIDIA CORPORATION NVDA 67066G104 $47.4M 3.63% 236,783 SH
2 MICROSOFT CORP MSFT 594918104 $43.4M 3.32% 116,242 SH
3 ALPHABET INC GOOGL 02079K305 $41.3M 3.16% 115,604 SH
4 APPLE INC AAPL 037833100 $38.7M 2.96% 133,744 SH
5 UBS GROUP AG UBS H42097107 $37.9M 2.90% 762,272 SH
6 META PLATFORMS INC META 30303M102 $28.8M 2.21% 51,211 SH
7 ISHARES INC URTH 464286392 $27.2M 2.08% 134,058 SH
8 ALPHABET INC GOOGL 02079K305 $25.8M 1.97% 72,061 SH
9 NVIDIA CORPORATION NVDA 67066G104 $23.0M 1.76% 114,839 SH
10 BROADCOM INC AVGO 11135F101 $22.5M 1.73% 59,689 SH
11 AMAZON COM INC AMZN 023135106 $22.2M 1.70% 92,947 SH
12 AMAZON COM INC AMZN 023135106 $19.6M 1.50% 82,102 SH
13 APPLIED MATLS INC AMAT 038222105 $18.5M 1.42% 25,642 SH
14 ELI LILLY & CO LLY 532457108 $18.1M 1.39% 15,089 SH
15 ASTRAZENECA PLC AZN G0593M107 $17.4M 1.33% 92,923 SH
16 MICRON TECHNOLOGY INC MU 595112103 $14.8M 1.14% 12,838 SH
17 TAIWAN SEMICONDUCTOR MANUFAC TSM 874039100 $14.8M 1.13% 30,912 SH
18 JOHNSON & JOHNSON JNJ 478160104 $14.6M 1.12% 57,382 SH
19 BROADCOM INC AVGO 11135F101 $14.3M 1.10% 37,877 SH
20 CISCO SYS INC CSCO 17275R102 $14.2M 1.09% 120,677 SH
21 FERRARI N V RACE N3167Y103 $13.5M 1.03% 36,387 SH
22 TAPESTRY INC TPR 876030107 $13.4M 1.02% 91,300 SH
23 VIKING HOLDINGS LTD VIK G93A5A101 $12.4M 0.95% 118,711 SH
24 CRH PLC CRH G25508105 $12.3M 0.94% 114,960 SH
25 APPLE INC AAPL 037833100 $12.2M 0.94% 42,333 SH
26 MARRIOTT INTL INC NEW MAR 571903202 $12.2M 0.93% 32,920 SH
27 LOGITECH INTL S A LOGI H50430232 $12.2M 0.93% 129,449 SH
28 AMRIZE LTD AMRZ H2927K103 $12.1M 0.93% 228,199 SH
29 MERCK & CO INC MRK 58933Y105 $12.1M 0.92% 93,799 SH
30 JPMORGAN CHASE & CO JPM 46625H100 $11.2M 0.86% 34,252 SH
31 ERMENEGILDO ZEGNA N V ZGN N30577105 $11.2M 0.86% 857,873 SH
32 HILTON WORLDWIDE HLDGS INC HLT 43300A203 $11.1M 0.85% 33,567 SH
33 VISA INC V 92826C839 $9.9M 0.76% 28,904 SH
34 SMURFIT WESTROCK PLC SW G8267P108 $9.6M 0.73% 206,576 SH
35 CATERPILLAR INC CAT 149123101 $9.4M 0.72% 8,858 SH
36 TAIWAN SEMICONDUCTOR MANUFAC TSM 874039100 $9.4M 0.72% 19,729 SH
37 ELI LILLY & CO LLY 532457108 $9.3M 0.71% 7,754 SH
38 WALMART INC WMT 931142103 $9.3M 0.71% 82,035 SH
39 KLA CORP KLAC 482480100 $9.0M 0.69% 29,953 SH
40 ALPHABET INC GOOG 02079K107 $9.0M 0.69% 25,539 SH
41 VISA INC V 92826C839 $8.9M 0.69% 26,073 SH
42 APPLIED MATLS INC AMAT 038222105 $8.8M 0.67% 12,187 SH
43 ISHARES INC IEMG 46434G103 $8.6M 0.66% 104,249 SH
44 MICROSOFT CORP MSFT 594918104 $8.5M 0.65% 22,874 SH
45 EATON CORP PLC ETN G29183103 $8.4M 0.64% 19,718 SH
46 RALPH LAUREN CORP RL 751212101 $8.3M 0.64% 20,660 SH
47 VANGUARD INDEX FDS VOO 922908363 $8.2M 0.63% 12,000 SH
48 SHARKNINJA INC SN G8068L108 $8.2M 0.63% 54,094 SH
49 EXXON MOBIL CORP XOM 30231G102 $8.0M 0.61% 58,571 SH
50 COSTCO WHOLESALE CORPORATION COST 22160K105 $7.9M 0.61% 8,478 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-14 $1.31B 299 0001172661-26-003710
2026-03-31 2026-08-13 $1.14B 309 0001172661-26-003350
2025-12-31 2026-02-17 $1.57B 380 0001172661-26-001215
2025-09-30 2025-10-21 $1.62B 373 0001172661-25-004340
Filer Information
Address
HARDSTRASSE 201
P.O. BOX
ZURICH, V8 8037
Phone
01141584263030
Filing Manager
GAM Holding AG
Zurich, V8
Signatory
David Kemp
Group Head Legal & Compliance