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Super Investors Sienna Gestion
SG

Sienna Gestion

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$1.71B
Positions
178
Quarter ended
June 30, 2026
Filed
August 13, 2026

Reported portfolio value by quarter (10 quarters reported)

$1.71B $1.13B
Q1 24 Q3 24 Q1 25 Q3 25 Q1 26 Q2 26

$1.16B in Q1 2024 → $1.71B now. Hover for any quarter.

Holdings

As reported for the quarter ended June 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
Nvidia Corp 7.2% Trimmed 11% 622,392 $123M
Apple Inc 6.0% Trimmed 6.5% 357,877 $102M
Microsoft Corp 4.7% Trimmed 7.0% 215,275 $80.2M
Alphabet Inc 4.1% Added 630% 196,701 $70.3M
Broadcom Inc 2.5% Trimmed 6.6% 115,411 $43.5M
Micron Technology Inc 2.3% Trimmed 9.6% 33,732 $39.1M
Tesla Inc 1.8% Trimmed 7.5% 73,310 $30.5M
Applied Materials Inc 1.7% Trimmed 29% 41,957 $29.5M
Jpmorgan Chase & Co 1.7% Trimmed 8.6% 86,434 $28.8M
Alphabet Inc 1.7% New 79,527 $28.2M
Nebius Group Nv 1.6% Added 290% 104,922 $27.7M
Intel Corp 1.6% Added 335% 160,096 $26.8M
EL Eli Lilly & Co 1.6% Trimmed 9.1% 21,563 $26.8M
Cisco Systems Inc 1.6% Trimmed 34% 222,868 $26.5M
HD Home Depot Inc/the 1.4% Trimmed 3.1% 69,193 $24.5M
Advanced Micro Devices Inc 1.3% Trimmed 16% 41,833 $22.8M
Manulife Financial Corp 1.3% Trimmed 8.5% 552,839 $22.7M
Atmos Energy Corp 1.2% Trimmed 7.3% 117,688 $20.8M
Johnson & Johnson 1.2% New 78,424 $20.5M
Lam Research Corp 1.2% Trimmed 5.3% 49,012 $20.4M
Blackrock Inc 1.2% Trimmed 7.4% 21,173 $20.3M
Mastercard Inc 1.2% Trimmed 4.4% 38,910 $20.1M
P& Procter & Gamble Co/the 1.2% Trimmed 3.9% 132,617 $19.9M
State Street Corp 1.1% Trimmed 10% 111,011 $19.1M
Citigroup Inc 1.1% Added 47% 127,242 $18.3M
Trane Technologies PLC 1.0% Trimmed 4.3% 36,319 $17.6M
AH Aercap Holdings Nv 1.0% Trimmed 38% 111,189 $16.6M
Western Digital Corp 0.9% Trimmed 66% 23,164 $15.3M
W Wabtec Corp 0.9% Trimmed 12% 55,581 $15.1M
Walmart Inc 0.8% New 121,903 $14.1M
Verizon Communications Inc 0.8% Trimmed 27% 313,745 $14M
CI Canadian Imperial Bank Of Comm 0.8% Added 4.3% 121,221 $13.9M
General Dynamics Corp 0.8% Trimmed 20% 38,612 $13.6M
TC Travelers Cos Inc/the 0.8% Trimmed 9.3% 40,090 $13.5M
Ameriprise Financial Inc 0.8% Trimmed 11% 29,403 $13.3M
Accenture PLC 0.8% Added 30% 104,137 $13.1M
Ge Vernova Inc 0.8% Added 16% 11,516 $12.8M
T Rowe Price Group Inc 0.8% Trimmed 1.8% 110,989 $12.8M
Valero Energy Corp 0.7% Trimmed 15% 46,818 $12.6M
Costco Wholesale Corp 0.7% New 12,872 $12.3M
BN Bank Ny Mellon Corp 0.7% Trimmed 37% 83,074 $12.1M
Williams-sonoma Inc 0.7% Trimmed 7.8% 49,561 $12M
Agnico Eagle Mines Ltd 0.7% Trimmed 6.6% 77,400 $12M
Emcor Group Inc 0.7% Trimmed 1.9% 14,412 $11.9M
Prologis Inc 0.7% Added 3.0% 84,347 $11.8M
Arista Networks Inc 0.7% Trimmed 12% 71,011 $11.8M
Consolidated Edison Inc 0.7% Added 34% 103,283 $11.7M
Visa Inc 0.7% Added 535% 33,812 $11.7M
Booking Holdings Inc 0.7% Added 2167% 61,956 $11.4M
Cardinal Health Inc 0.6% Added 4.0% 46,425 $11.1M
F5 Inc 0.6% Trimmed 39% 26,537 $11M
Uber Technologies Inc 0.6% Trimmed 0.6% 141,714 $10.8M
CE Coca-cola Europacif Ptners PLC 0.6% New 105,268 $10.8M
Veeva Systems Inc 0.6% Trimmed 23% 56,819 $10.1M
Phillips 66 0.6% Trimmed 19% 57,230 $10.1M
Mcdonald S Corp 0.6% Trimmed 5.8% 37,056 $10M
Thermo Fisher Scientific Inc 0.6% New 19,200 $9.83M
Ebay Inc 0.6% Trimmed 30% 87,693 $9.82M
Howmet Aerospace Inc 0.6% Added 4.3% 35,817 $9.73M
Edwards Lifesciences Corp 0.6% Added 1.4% 104,272 $9.61M

Showing top 60 of 178 positions.

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q2 2026

quarter ended June 30, 2026 · filed August 13, 2026

Company Action Shares changed Value of change % of portfolio
Alphabet Inc Added +169,774 +$60.7M 4.1%
Western Digital Corp Trimmed −44,090 −$29.1M 0.9%
Alphabet Inc New +79,527 +$28.2M 1.7%
Intel Corp Added +123,316 +$20.7M 1.6%
Nebius Group Nv Added +78,013 +$20.6M 1.6%
Johnson & Johnson New +78,424 +$20.5M 1.2%
Analog Devices Inc Trimmed −40,806 −$16.2M 0.1%
Nvidia Corp Trimmed −79,918 −$15.8M 7.2%
Royal Bank Of Canada Exited −88,945 −$14.1M —
Walmart Inc New +121,903 +$14.1M 0.8%

Showing the 10 largest of 196 changes.

Q1 2026

quarter ended March 31, 2026 · filed May 15, 2026

Company Action Shares changed Value of change % of portfolio
Apple Inc Added +348,650 +$86.6M 6.2%
Amazon Com Inc Exited −286,195 −$66.2M —
Johnson & Johnson Exited −129,646 −$26.7M —
Tesla Inc Added +71,815 +$25.7M 1.9%
Blackrock Inc Exited −22,859 −$24.6M —
Blackrock Inc New +22,859 +$21.5M 1.4%
Mastercard Inc Added +39,022 +$19.4M 1.3%
Micron Technology Inc Trimmed −56,675 −$18.4M 0.8%
Visa Inc Trimmed −59,983 −$18.1M 0.1%
Applied Materials Inc Trimmed −51,542 −$16.8M 1.2%

Showing the 10 largest of 103 changes.

Q4 2025

quarter ended December 31, 2025 · filed February 13, 2026

Company Action Shares changed Value of change % of portfolio
Blackrock Inc New +22,859 +$24.6M 1.5%
Blackrock Inc Exited −22,859 −$24.3M —
Accenture PLC New +80,326 +$21.6M 1.3%
Trane Technologies PLC New +37,952 +$14.8M 0.9%
AH Aercap Holdings Nv New +99,498 +$14.3M 0.8%
Pentair PLC New +129,969 +$13.7M 0.8%
IB Ibm-intl Busin Machines Corp New +36,780 +$11.1M 0.7%
IB Intl Business Machines Corp Exited −36,780 −$9.46M —
Servicenow Inc Added +30,600 +$4.7M 0.3%
Nvidia Corp Trimmed −22,663 −$4.23M 7.7%

Showing the 10 largest of 134 changes.

Q3 2025

quarter ended September 30, 2025 · filed November 13, 2025

Company Action Shares changed Value of change % of portfolio
Apple Inc Trimmed −390,445 −$90.6M 0.4%
Deutsche Bank Ag Exited −1,275,537 −$34.4M —
Accenture PLC Exited −69,345 −$18.9M —
Ubs Group Ag Exited −577,949 −$17.8M —
Costco Wholesale Corp Exited −18,961 −$17.1M —
American Express Trimmed −53,805 −$16.3M —
Cummins Inc Trimmed −40,174 −$15.5M 0.1%
Cisco Systems Inc Added +230,284 +$14.4M 2.0%
Jpmorgan Chase & Co Added +47,792 +$13.7M 2.7%
CI Can Imperial Bk Of Commerce Trimmed −185,300 −$13.5M 0.7%

Showing the 10 largest of 117 changes.

Q2 2025

quarter ended June 30, 2025 · filed August 06, 2025

Company Action Shares changed Value of change % of portfolio
Deutsche Bank Ag New +1,275,537 +$34.4M 2.4%
Ubs Group Ag New +577,949 +$17.8M 1.2%
Blackrock Inc New +15,086 +$14.5M 1.0%
Blackrock Inc Exited −13,713 −$12.6M —
Nvidia Corp Added +75,114 +$10.8M 7.1%
IB Ibm-intl Busin Machines Corp New +36,780 +$9.9M 0.7%
Capital One Financial Corp New +50,047 +$9.72M 0.7%
Microsoft Corp Added +17,635 +$8.01M 6.6%
IB Ibm-intl Busin Machines Corp Exited −33,124 −$8.01M —
Discover Financial Services Exited −44,601 −$7.4M —

Showing the 10 largest of 110 changes.

Q1 2025

quarter ended March 31, 2025 · filed May 13, 2025

Company Action Shares changed Value of change % of portfolio
Blackrock Inc Exited −15,325 −$15.7M —
Blackrock Inc New +13,713 +$12.6M 1.0%
Apple Inc Trimmed −41,058 −$8.87M 6.8%
Microsoft Corp Trimmed −23,098 −$8.43M 5.7%
Nvidia Corp Trimmed −68,259 −$7.19M 5.4%
Amazon Com Inc Trimmed −25,094 −$4.64M 3.4%
AC Alphabet Inc Cl C Exited −15,550 −$2.96M —
Broadcom Inc Trimmed −14,147 −$2.3M 1.8%
HD Home Depot Inc/the Trimmed −6,172 −$2.2M 1.8%
Accenture PLC Trimmed −6,614 −$2.01M 1.5%

Showing the 10 largest of 174 changes.

Q4 2024

quarter ended December 31, 2024 · filed February 10, 2025

Company Action Shares changed Value of change % of portfolio
Apple Inc Added +385,419 +$96.5M 7.3%
IB Intl Business Machines Corp Trimmed −272,789 −$52.5M 0.5%
AC Alphabet Inc Cl A Trimmed −272,126 −$51.5M 0.3%
Amazon.com Inc Added +227,691 +$49.9M 3.8%
Tesla Inc Trimmed −76,867 −$31M 0.3%
Netflix Inc Trimmed −21,479 −$19.1M 0.1%
Blackrock Inc Exited −17,814 −$16.9M —
Blackrock Inc New +15,325 +$15.7M 1.1%
Simon Property Group Inc Trimmed −82,532 −$14.2M 0.1%
MI Mastercard Inc-cl A Trimmed −26,883 −$14.2M 0.1%

Showing the 10 largest of 95 changes.

Q3 2024

quarter ended September 30, 2024 · filed November 14, 2024

Company Action Shares changed Value of change % of portfolio
Broadcom Inc Added +141,094 +$24.3M 1.8%
Microsoft Corp Added +50,014 +$21.5M 6.7%
Nvidia Corp Added +146,640 +$17.8M 5.6%
Alphabet Inc Added +68,480 +$11.3M 3.3%
Apple Inc Added +27,327 +$6.35M 0.7%
Applied Materials Inc Added +28,209 +$5.69M 1.9%
P& Procter & Gamble Co/the Added +32,907 +$5.69M 1.7%
HD Home Depot Inc/the Added +13,087 +$5.29M 1.9%
Johnson & Johnson Added +30,024 +$4.85M 1.4%
Tesla Inc Added +18,168 +$4.74M 1.5%

Showing the 10 largest of 178 changes.

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