Sienna Gestion — 13F Holdings & Portfolio
CIK 2021242 · latest 13F-HR filed 2026-08-13
Sienna Gestion manages $1.71B in 13F-reported U.S. long-equity assets across 179 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are NVDA (7.19%), AAPL (5.97%), MSFT (4.70%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 65 new positions, exited 23, added to 45, and trimmed 54.
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.
PARIS, I0 75009
$1.71B
Long-equity book
179
Distinct positions
2026-06-30
Filed 2026-08-13
+65 / −23 / ↑45 / ↓54
vs 2026-03-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- ALPHABET INC$62.9M +848.1%
- MICRON TECHNOLOGY INC$27.0M +223.0%
- NEBIUS GROUP NV$25.2M +1007.8%
- IBM-INTL BUSIN MACHINES CORP$18.0M +205.2%
- ADVANCED MICRO DEVICES INC$13.0M +132.2%
Top Trims
- ANALOG DEVICES INC-$12.2M -92.4%
- ELECTRONIC ARTS INC-$12.2M -94.9%
- HALLIBURTON CO-$11.2M -95.6%
- AMETEK INC-$9.4M -84.6%
- SPOTIFY TECHNOLOGY SA-$8.8M -90.5%
New Positions
- ALPHABET INC$28.2M
- JOHNSON & JOHNSON$20.5M
- WALMART INC$14.1M
- COSTCO WHOLESALE CORP$12.3M
- COCA-COLA EUROPACIF PTNERS PLC$10.8M
Exited Positions
- ROYAL BANK OF CANADA$14.1M
- SUN LIFE FINANCIAL INC$11.6M
- HERSHEY CO/THE$11.3M
- TORONTO-DOMINION BANK/THE$10.6M
- BAKER HUGHES CO$9.8M
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 CORP | NVDA | 67066G104 | $122.7M | 7.19% | 622,392 | SH |
| 2 | APPLE INC | AAPL | 037833100 | $102.0M | 5.97% | 357,877 | SH |
| 3 | MICROSOFT CORP | MSFT | 594918104 | $80.2M | 4.70% | 215,275 | SH |
| 4 | ALPHABET INC | GOOGL | 02079K305 | $70.3M | 4.12% | 196,701 | SH |
| 5 | BROADCOM INC | AVGO | 11135F101 | $43.5M | 2.55% | 115,411 | SH |
| 6 | MICRON TECHNOLOGY INC | MU | 595112103 | $39.1M | 2.29% | 33,732 | SH |
| 7 | TESLA INC | TSLA | 88160R101 | $30.5M | 1.79% | 73,310 | SH |
| 8 | APPLIED MATERIALS INC | AMAT | 038222105 | $29.5M | 1.73% | 41,957 | SH |
| 9 | JPMORGAN CHASE & CO | JPM | 46625H100 | $28.8M | 1.69% | 86,434 | SH |
| 10 | ALPHABET INC | GOOG | 02079K107 | $28.2M | 1.66% | 79,527 | SH |
| 11 | NEBIUS GROUP NV | NBIS | N97284108 | $27.7M | 1.62% | 104,922 | SH |
| 12 | ELI LILLY & CO | LLY | 532457108 | $26.8M | 1.57% | 21,563 | SH |
| 13 | CISCO SYSTEMS INC | CSCO | 17275R102 | $26.5M | 1.55% | 222,868 | SH |
| 14 | HOME DEPOT INC/THE | HD | 437076102 | $24.5M | 1.44% | 69,193 | SH |
| 15 | ADVANCED MICRO DEVICES INC | AMD | 007903107 | $22.8M | 1.34% | 41,833 | SH |
| 16 | MANULIFE FINANCIAL CORP | MFC | 56501R106 | $22.7M | 1.33% | 552,839 | SH |
| 17 | ATMOS ENERGY CORP | ATO | 049560105 | $20.8M | 1.22% | 117,688 | SH |
| 18 | JOHNSON & JOHNSON | JNJ | 478160104 | $20.5M | 1.20% | 78,424 | SH |
| 19 | LAM RESEARCH CORP | LRCX | 512807306 | $20.4M | 1.19% | 49,012 | SH |
| 20 | BLACKROCK INC | BLK | 00924D105 | $20.3M | 1.19% | 21,173 | SH |
| 21 | MASTERCARD INC | MA | 57636Q104 | $20.1M | 1.17% | 38,910 | SH |
| 22 | PROCTER & GAMBLE CO/THE | PG | 742718109 | $19.9M | 1.17% | 132,617 | SH |
| 23 | STATE STREET CORP | STT | 857477103 | $19.1M | 1.12% | 111,011 | SH |
| 24 | CITIGROUP INC | C | 172967424 | $18.3M | 1.07% | 127,242 | SH |
| 25 | TRANE TECHNOLOGIES PLC | TT | G8994E103 | $17.6M | 1.03% | 36,319 | SH |
| 26 | AERCAP HOLDINGS NV | AER | N00985106 | $16.6M | 0.97% | 111,189 | SH |
| 27 | INTEL CORP | INTC | 458140100 | $16.4M | 0.96% | 122,879 | SH |
| 28 | WESTERN DIGITAL CORP | WDC | 958102105 | $15.3M | 0.89% | 23,164 | SH |
| 29 | WABTEC CORP | WAB | 929740108 | $15.1M | 0.88% | 55,581 | SH |
| 30 | WALMART INC | WMT | 931142103 | $14.1M | 0.83% | 121,903 | SH |
| 31 | VERIZON COMMUNICATIONS INC | VZ | 92343V104 | $14.0M | 0.82% | 313,745 | SH |
| 32 | CANADIAN IMPERIAL BANK OF COMM | CM | 136069101 | $13.9M | 0.82% | 121,221 | SH |
| 33 | GENERAL DYNAMICS CORP | GD | 369550108 | $13.6M | 0.80% | 38,612 | SH |
| 34 | TRAVELERS COS INC/THE | TRV | 89417E109 | $13.5M | 0.79% | 40,090 | SH |
| 35 | AMERIPRISE FINANCIAL INC | AMP | 03076C106 | $13.3M | 0.78% | 29,403 | SH |
| 36 | ACCENTURE PLC | ACN | G1151C101 | $13.1M | 0.77% | 104,137 | SH |
| 37 | GE VERNOVA INC | GEV | 36828A101 | $12.8M | 0.75% | 11,516 | SH |
| 38 | T ROWE PRICE GROUP INC | TROW | 74144T108 | $12.8M | 0.75% | 110,989 | SH |
| 39 | VALERO ENERGY CORP | VLO | 91913Y100 | $12.6M | 0.74% | 46,818 | SH |
| 40 | COSTCO WHOLESALE CORP | COST | 22160K105 | $12.3M | 0.72% | 12,872 | SH |
| 41 | BANK NY MELLON CORP | BNY | 064058100 | $12.1M | 0.71% | 83,074 | SH |
| 42 | WILLIAMS-SONOMA INC | WSM | 969904101 | $12.0M | 0.71% | 49,561 | SH |
| 43 | AGNICO EAGLE MINES LTD | AEM | 008474108 | $12.0M | 0.70% | 77,400 | SH |
| 44 | EMCOR GROUP INC | EME | 29084Q100 | $11.9M | 0.70% | 14,412 | SH |
| 45 | PROLOGIS INC | PLD | 74340W103 | $11.8M | 0.69% | 84,347 | SH |
| 46 | ARISTA NETWORKS INC | ANET | 040413205 | $11.8M | 0.69% | 71,011 | SH |
| 47 | CONSOLIDATED EDISON INC | ED | 209115104 | $11.7M | 0.69% | 103,283 | SH |
| 48 | VISA INC | V | 92826C839 | $11.7M | 0.68% | 33,812 | SH |
| 49 | BOOKING HOLDINGS INC | BKNG | 09857L108 | $11.4M | 0.67% | 61,956 | SH |
| 50 | CARDINAL HEALTH INC | CAH | 14149Y108 | $11.1M | 0.65% | 46,425 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-13 | $1.71B | 179 | 0000945621-26-001042 |
| 2026-03-31 | 2026-05-15 | $1.53B | 136 | 0000945621-26-000712 |
| 2025-12-31 | 2026-02-13 | $1.68B | 150 | 0000945621-26-000314 |
| 2025-09-30 | 2025-11-13 | $1.43B | 159 | 0000945621-25-001073 |