Boussard & Gavaudan Investment Management LLP
Boussard & Gavaudan Investment Management LLP reported 84 US-listed holdings worth $1.04 billion in its 13F for the quarter ended 31 March 2026, filed 15 May 2026. Its largest: Western Digital Corp. (17.9%), Warner Bros. Discovery, Inc. (6.0%) and Advanced Energy Inds (5.5%). Against the quarter before, it opened 32 positions, added to 16, trimmed 15 and sold out of 37.
Its latest 13F is for the quarter ended 31 March 2026; it has not filed one for a later quarter.
The 14 largest of its 84 positions, each sized by its share of the reported holdings, coloured by the change in shares against Q4 2025.
What the fund reported holding at each quarter's end; hover a bar for the number of positions
What it did on the quarter
Its positions against its 13F for the quarter to 31 December 2025; a change under 0.1% of a position counts as held
Opened 32
- Bridgebio Pharma Inc.$46.2 million
- Guardant Health Inc.$38.3 million
- White Mtns Ins Group Ltd WTM$31.0 million
- Granite Construction Inc.$24.5 million
- Lci Inds$18.9 million
- Irhythm Technologies Inc.$12.0 million
- MKS Inc.$10.1 million
- Alussa Energy Acquisit Corp. ALUB$7.0 million
and 24 more in the table below
Added to 16
- Warner Bros. Discovery, Inc. WBD+1.6 million shares · +217%
- Equinox Gold Corp.+11,900 shares · +128%
- Electronic Arts Inc EA+137,310 shares · +113%
- Osi Systems Inc.+11,200 shares · +115%
- Alnylam Pharmaceuticals Inc.+11,046 shares · +53%
- Post Hldgs Inc.+10,525 shares · +245%
- Norfolk Southern Corp. NSC+32,516 shares · +31%
- Ascendis Pharma A/s+4,400 shares · +52%
and 8 more in the table below
Trimmed 15
- Seagate HDD Cayman-54,625 shares · -87%
- Burlington Stores Inc.-15,781 shares · -81%
- Ionis Pharmaceuticals in-11,750 shares · -92%
- Snowflake Inc.-14,000 shares · -46%
- Ormat Technologies Inc.-11,009 shares · -78%
- Western Digital Corp.-2,049 shares · -7%
- Ani Pharmaceuticals Inc.-5,150 shares · -28%
- Jd.com Inc.-6,000 shares · -80%
and 7 more in the table below
Sold out of 37
- Blackstone Inc. BX$41.0 million last quarter
- Apple Inc. AAPL$32.5 million last quarter
- Box Inc.$32.1 million last quarter
- Intel Corp. INTC$27.2 million last quarter
- Costco Wholesale Corp. COST$26.0 million last quarter
- Avidity Biosciences Inc. RNA$23.7 million last quarter
- Cyberark Software Ltd CYBR$22.7 million last quarter
- Axalta Coating Systems Ltd. AXTA$21.0 million last quarter
What it holds
| Company | Shares | Value | Of its book | Change in shares |
|---|---|---|---|---|
| Western Digital Corp. | 27,450 | $186.1 million | 17.87% | -2,049 |
| Warner Bros. Discovery, Inc. WBD | 2,299,611 | $62.5 million | 6.01% | +1,573,286 |
| Advanced Energy Inds | 24,962 | $56.8 million | 5.45% | +2,184 |
| Electronic Arts Inc EA | 258,844 | $52.5 million | 5.04% | +137,310 |
| Equinox Gold Corp. | 21,225 | $50.2 million | 4.82% | +11,900 |
| Bridgebio Pharma Inc. | 26,000 | $46.2 million | 4.44% | new |
| Alnylam Pharmaceuticals Inc. | 32,000 | $40.8 million | 3.92% | +11,046 |
| Norfolk Southern Corp. NSC | 135,885 | $38.5 million | 3.70% | +32,516 |
| Guardant Health Inc. | 23,200 | $38.3 million | 3.67% | new |
| Seagate HDD Cayman | 8,322 | $37.4 million | 3.59% | -54,625 |
| Chefs' Warehouse Inc | 22,976 | $33.6 million | 3.23% | +500 |
| Osi Systems Inc. | 20,900 | $32.1 million | 3.09% | +11,200 |
| White Mtns Ins Group Ltd WTM | 13,975 | $31.0 million | 2.97% | new |
| Granite Construction Inc. | 15,000 | $24.5 million | 2.36% | new |
| Snowflake Inc. | 16,500 | $20.0 million | 1.92% | -14,000 |
| Lci Inds | 15,750 | $18.9 million | 1.81% | new |
| Ascendis Pharma A/s | 12,900 | $18.8 million | 1.81% | +4,400 |
| On Semiconductor Corp. | 13,800 | $17.3 million | 1.66% | +4,500 |
| Live Nation Entertainment in | 11,000 | $16.6 million | 1.60% | -1,500 |
| Ani Pharmaceuticals Inc. | 13,350 | $16.5 million | 1.58% | -5,150 |
| Post Hldgs Inc. | 14,827 | $16.1 million | 1.54% | +10,525 |
| Irhythm Technologies Inc. | 11,000 | $12.0 million | 1.15% | new |
| MKS Inc. | 6,300 | $10.1 million | 0.97% | new |
| Qnity Electronics, Inc. Q | 81,658 | $9.0 million | 0.87% | +26,360 |
| Rithm Acquisition Corp. RAC | 768,000 | $8.0 million | 0.77% | no change |
| Oaktree Acquisition Corp. III OACC | 720,000 | $7.6 million | 0.73% | no change |
| Agriculture & Nat Sol Acq Co. ANSC | 672,000 | $7.6 million | 0.73% | no change |
| Alussa Energy Acquisit Corp. ALUB | 700,000 | $7.0 million | 0.67% | new |
| Waters Corp. WAT | 20,845 | $6.2 million | 0.60% | new |
| Burlington Stores Inc. | 3,687 | $6.0 million | 0.58% | -15,781 |
| Solstice Advanced Materials Inc. SOLS | 81,164 | $6.0 million | 0.57% | -58,030 |
| Penumbra Inc. PEN | 18,147 | $5.9 million | 0.57% | new |
| Versant Media Group, Inc. VSNT | 152,952 | $5.6 million | 0.53% | new |
| TransMedics Group Inc | 4,000 | $5.2 million | 0.50% | new |
| Bain Cap GSS Invt Corp. BCSS | 500,000 | $5.0 million | 0.48% | no change |
| Liberty Broadband Corp. LBRDA | 101,035 | $5.0 million | 0.48% | +8,937 |
| DuPont de Nemours, Inc. DD | 104,826 | $4.7 million | 0.45% | +24,125 |
| Liberty Live Hldgs Inc. LLYVK | 48,397 | $4.4 million | 0.42% | no change |
| Centuri Holdings Inc. CTRI | 154,273 | $4.4 million | 0.42% | -63,527 |
| Coursera Inc. COUR | 731,788 | $4.3 million | 0.41% | new |
| Ormat Technologies Inc. | 3,110 | $4.1 million | 0.39% | -11,009 |
| Estee Lauder Companies Inc. EL | 57,824 | $4.0 million | 0.38% | new |
| Liberty Live Holdings Inc. Com Ser A LLYVA | 41,916 | $3.7 million | 0.36% | no change |
| Southern Co. | 3,300 | $3.7 million | 0.35% | new |
| Magnum Ice Cream Co. NV MICC | 226,500 | $3.3 million | 0.32% | new |
| Synaptics Inc. | 3,000 | $3.0 million | 0.29% | -5,876 |
| American Exceptionalism Acqu AEXA | 275,000 | $3.0 million | 0.29% | no change |
| Duke Energy Corporation | 2,600 | $2.9 million | 0.28% | new |
| Rivian Automotive Inc. | 2,600 | $2.8 million | 0.27% | new |
| Halozyme Therapeutics Inc. | 2,100 | $2.7 million | 0.26% | new |
| Mister Car Wash Inc. MCW | 352,529 | $2.5 million | 0.24% | new |
| Pyrophyte Acquisition Corp. PAII | 240,000 | $2.4 million | 0.23% | no change |
| Global Business Travel Group GBTG | 430,176 | $2.4 million | 0.23% | +285,973 |
| GoDaddy Inc. GDDY | 27,809 | $2.3 million | 0.22% | new |
| Akamai Technologies, Inc. | 2,000 | $2.3 million | 0.22% | new |
| Ralliant Corp. RAL | 51,796 | $2.1 million | 0.20% | -83,645 |
| Amrize Ltd AMRZ | 34,641 | $1.9 million | 0.18% | -78,456 |
| Wec Energy Group Inc. | 1,500 | $1.9 million | 0.18% | new |
| Semtech Corp. SMTC | 20,620 | $1.5 million | 0.15% | new |
| Ionis Pharmaceuticals in | 1,000 | $1.5 million | 0.14% | -11,750 |
| Jd.com Inc. | 1,500 | $1.5 million | 0.14% | -6,000 |
| Sunbelt Rentals Holdings Inc. SUNB | 19,438 | $1.2 million | 0.12% | new |
| Atai Beckley NV ATAI | 295,264 | $1.0 million | 0.10% | new |
| Churchill Cap Corp. Xi CCXI | 100,000 | $1.0 million | 0.10% | new |
| Karbon Cap Partners Corp. KBON | 100,000 | $1.0 million | 0.10% | new |
| Global Pmts Inc. | 1,000 | $880,092 | 0.08% | -6,000 |
| MasterBrand, Inc. MBC | 93,024 | $773,029 | 0.07% | +38,699 |
| Coinbase Global Inc. | 800 | $730,490 | 0.07% | new |
| Rithm Acquisition Corp. RACWS | 266,666 | $170,666 | 0.02% | no change |
| Oaktree Acquisition Corp. III OACCW | 150,000 | $112,500 | 0.01% | no change |
| Kodiak Ai Inc. KDKRW | 100,000 | $104,500 | 0.01% | no change |
| Alussa Energy Acquisit Corp. ALUBWS | 233,333 | $83,999 | 0.01% | new |
| Agriculture & Nat Sol Acq Co. ANSCW | 350,000 | $70,000 | 0.01% | no change |
| Bain Cap GSS Invt Corp. BCSSWS | 100,000 | $62,000 | 0.01% | no change |
| Liberty Broadband Corp. LBRDK | 1,155 | $57,195 | 0.01% | no change |
| Pyrophyte Acquisition Corp. PAIIWS | 125,000 | $43,750 | 0.00% | no change |
| Karbon Cap Partners Corp. KBONW | 25,000 | $12,855 | 0.00% | new |
| Blacksky Technology Inc. BKSYWS | 237,226 | $9,489 | 0.00% | no change |
| Churchill Cap Corp. Xi CCXIW | 10,000 | $8,200 | 0.00% | new |
| Ftac Emerald Acquisition Cor FLDDW | 72,260 | $7,948 | 0.00% | no change |
| Lotus Technology Inc. LOTWW | 91,666 | $6,407 | 0.00% | no change |
| GCT Semiconductor Hldg Inc. GCTSWS | 25,000 | $4,725 | 0.00% | no change |
| Lanvin Group Holdings Limite | 62,500 | $687 | 0.00% | no change |
| Origin Materials Inc. ORGNW | 76,667 | $191 | 0.00% | no change |
Read more
Change is shares against its 13F for the quarter before; the 37 it sold out of are in the box above.Options it reported
| Company | Option | Shares under the options | Value of those shares |
|---|---|---|---|
| SPDR S&P 500 ETF Trust | Calls | 1,125 | $16.3 million |
| Lionsgate Studios Corp. | Calls | 5,527 | $770,600 |
| Cboe Global Mkts Inc. | Puts | 11,151 | $263,911 |
| iShares Trust | Puts | 500 | $14,990 |
| SPDR S&P 500 ETF Trust | Puts | 1,125 | $30 |
5 option lines. A 13F lists calls and puts by the shares they cover and what those shares were worth at the quarter's end, not what the options cost; they are not counted in the holdings above.