Boussard & Gavaudan Investment Management LLP — 13F Holdings & Portfolio

CIK 1614986 · latest 13F-HR filed 2026-05-15

Boussard & Gavaudan Investment Management LLP manages $1.06B in 13F-reported U.S. long-equity assets across 99 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are WDC (17.57%), WBD (5.91%), AEIS (5.36%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 32 new positions and exited 37; 20 existing positions rose in reported value and 24 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.

AUM

$1.06B

Long-equity book

Holdings

Distinct positions

Period

2026-03-31

Filed 2026-05-15

Q/Q Activity

+32 / −37 / ↑20 / ↓24

vs 2025-12-31

Portfolio charts

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

Portfolio map

Q1 26

WDC17.9% · -7%WBD6.0% · +217%AEIS5.5% · +10%EA5.0% · +113%EQX4.8% · +128%BBIO4.4% · new ALNY3.9% · +53%NSC3.7% · +32%GH3.7% · newSEAGATE HDD3.6% · -87%CHEF3.2% · +2%OSIS3.1% · +116%WTM3.0% · new GVA2.4% · +211%SNOW1.9% · -46%LCII1.8% · new ASND1.8% · +52%ON1.7% · +48%LYV1.6% · new ANIP1.6% · -28%POST1.5% · +245%IRTC1.2% · new MKSI1.0% · new Q0.9% · +48%RAC0.8% · 0%OACC0.7% · 0%ANSC0.7% · 0%ALUB0.7% · new WAT0.6% · new BURL0.6% · -81%SOLS0.6% · -42%PEN0.6% · new VSNT0.5% · new TMDX0.5% · new BCSS0.5% · 0%LBRDA0.5% · +10%DD0.5% · +30%LLYVK0.4% · 0%CTRI0.4% · -29%COUR0.4% · new ORA0.4% · -78%EL0.4% · new LLYVA0.4% · 0%SO0.4% · new MICC0.3% · new SYNA0.3% · -66%AEXA0.3% · 0%DUKRD0.3% · new RIVN0.3% · new HALO0.3% · new MCW0.2% · new PAII0.2% · 0%GBTG0.2% · +198%GDDY0.2% · new AKAM0.2% · new RAL0.2% · -62%AMRZ0.2% · -69%WEC0.2% · new SMTC0.1% · new IONS0.1% · -92%

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

Q4 25 → Q1 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

3 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 = 58.5%

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

Firm Profile & Key People

Assets Under Management

$3.65B

Discretionary

$3.65B

Employees

Accounts

Address

70 PALL MALL
LONDON SW1Y 5ES
United Kingdom

Phone

+44-203-751-5400

Website

WWW.BOUSSARD-GAVAUDAN.COM/EN

This firm reports 1 disclosure item on its registration.

Name	Title / Status	Ownership	Type
BG SAS Control	SHAREHOLDER	25–50%	Foreign Entity
BOUSSARD & GAVAUDAN PARTNERS LIMITED Control	MANAGING MEMBER	75% or more	Foreign Entity
BOUSSARD, EMMANUEL, BERTRAND MARIE Control	CIO, DIRECTOR OF THE MANAGING MEMBER	Less than 5%	Individual
BOUSSARD, EMMANUEL, BERTRAND MARIE Control	SHAREHOLDER	75% or more	Individual
CORNU, FRANCOIS, XAVIER Control	COO	Less than 5%	Individual
GAVAUDAN, EMMANUEL Control	DIRECTOR SHAREHOLDER	50–75%	Individual
GAVAUDAN, EMMANUEL, NMN Control	LIMITED PARTNER, DIRECTOR OF THE MANAGING MEMBER	Less than 5%	Individual
GILLOT, PASCAL, HENRI Control	CFO, DIRECTOR OF THE MANAGING MEMBER	Less than 5%	Individual
Becker, Etienne	LIMITED PARTNER	Less than 5%	Individual
CASIRAGHI, ALAIN	LIMITED PARTNER	Less than 5%	Individual
Filippo, Tarenghi	LIMITED PARTNER	10–25%	Individual
SERENADE, RUBENS, MARIUS	CEO, DIRECTOR OF THE MANAGING MEMBER	Less than 5%	Individual
Von Engelhardt, Melchior	LIMITED PARTNER	Less than 5%	Individual

Quarter-over-quarter changes

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

Top Adds (vs prior quarter)

WESTERN DIGITAL CORP$47.7M +34.5%
WARNER BROS DISCOVERY INC$41.5M +197.6%
EQUINOX GOLD CORP$27.9M +125.5%
ELECTRONIC ARTS INC$27.7M +111.4%
ADVANCED ENERGY INDS$18.7M +49.0%

Show all 20 →

Top Trims

SEAGATE HDD CAYMAN-$178.5M -82.7%
SNOWFLAKE INC-$27.6M -58.0%
BURLINGTON STORES INC-$22.8M -79.1%
IONIS PHARMACEUTICALS INC-$18.7M -92.6%
ORMAT TECHNOLOGIES INC-$15.2M -79.0%

Show all 24 →

New Positions

Show all 32 →

Exited Positions

Show all 37 →

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#	Issuer	Symbol	CUSIP	Value	Δ

Boussard & Gavaudan Investment Management LLP Holdings (2026-03-31)

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	WESTERN DIGITAL CORP	WDC	958102AT2	$186.1M	17.57%	27,450	SH
2	WARNER BROS DISCOVERY INC	WBD	934423104	$62.5M	5.91%	2,299,611	SH
3	ADVANCED ENERGY INDS	AEIS	007973AE0	$56.8M	5.36%	24,962	SH
4	ELECTRONIC ARTS INC	EA	285512109	$52.5M	4.96%	258,844	SH
5	EQUINOX GOLD CORP	EQX	29446YAC0	$50.2M	4.74%	21,225	SH
6	BRIDGEBIO PHARMA INC	BBIO	10806XAB8	$46.2M	4.37%	26,000	SH
7	ALNYLAM PHARMACEUTICALS INC	ALNY	02043QAB3	$40.8M	3.85%	32,000	SH
8	NORFOLK SOUTHN CORP	NSC	655844108	$38.5M	3.64%	135,885	SH
9	GUARDANT HEALTH INC	GH	40131MAD1	$38.3M	3.61%	23,200	SH
10	SEAGATE HDD CAYMAN	—	81180WBL4	$37.4M	3.53%	8,322	SH
11	CHEFS WHSE INC	CHEF	163086AE1	$33.6M	3.18%	22,976	SH
12	OSI SYSTEMS INC	OSIS	671044AF2	$32.1M	3.04%	20,900	SH
13	WHITE MTNS INS GROUP LTD	WTM	G9618E107	$31.0M	2.92%	13,975	SH
14	GRANITE CONSTR INC	GVA	387328AF4	$24.5M	2.32%	15,000	SH
15	SNOWFLAKE INC	SNOW	833445AD1	$20.0M	1.89%	16,500	SH
16	LCI INDS	LCII	501812AD3	$18.9M	1.79%	15,750	SH
17	ASCENDIS PHARMA A/S	ASND	04351PAD3	$18.8M	1.78%	12,900	SH
18	ON SEMICONDUCTOR CORP	ON	682189AS4	$17.3M	1.63%	13,800	SH
19	LIVE NATION ENTERTAINMENT IN	—	538034BA6	$16.6M	1.57%	11,000	SH
20	ANI PHARMACEUTICALS INC	ANIP	00182CAC7	$16.5M	1.55%	13,350	SH
21	STATE STR SPDR S&P 500 ETF T Call	—	78462F903	$16.3M	1.54%	1,125	SH
22	POST HLDGS INC	POST	737446AT1	$16.1M	1.52%	14,827	SH
23	IRHYTHM HOLDINGS INC	IRTC	450056AB2	$12.0M	1.14%	11,000	SH
24	MKS INC.	MKSI	55306NAB0	$10.1M	0.95%	6,300	SH
25	QNITY ELECTRONICS INC	Q	74743L100	$9.0M	0.85%	81,658	SH
26	RITHM ACQUISITION CORP	RAC	G75751100	$8.0M	0.76%	768,000	SH
27	OAKTREE ACQUISITION CORP III	OACC	G6717R104	$7.6M	0.72%	720,000	SH
28	AGRICULTURE & NAT SOL ACQ CO	ANSC	G0131Y100	$7.6M	0.72%	672,000	SH
29	ALUSSA ENERGY ACQUISIT CORP	ALUB	G0233J100	$7.0M	0.66%	700,000	SH
30	WATERS CORP	WAT	941848103	$6.2M	0.59%	20,845	SH
31	BURLINGTON STORES INC	BURL	122017AD8	$6.0M	0.57%	3,687	SH
32	SOLSTICE ADVANCED MATLS INC	SOLS	83443Q103	$6.0M	0.56%	81,164	SH
33	PENUMBRA INC	PEN	70975L107	$5.9M	0.56%	18,147	SH
34	VERSANT MEDIA GROUP INC	VSNT	925283103	$5.6M	0.52%	152,952	SH
35	TRANSMEDICS GROUP INC	TMDX	89377MAB5	$5.2M	0.49%	4,000	SH
36	BAIN CAP GSS INVT CORP	BCSS	G0R78B106	$5.0M	0.48%	500,000	SH
37	LIBERTY BROADBAND CORP	LBRDA	530307107	$5.0M	0.47%	101,035	SH
38	DUPONT DE NEMOURS INC	DD	26614N102	$4.7M	0.45%	104,826	SH
39	LIBERTY LIVE HOLDINGS INC	LLYVK	530909308	$4.4M	0.42%	48,397	SH
40	CENTURI HOLDINGS INC	CTRI	155923105	$4.4M	0.41%	154,273	SH
41	COURSERA INC	COUR	22266M104	$4.3M	0.40%	731,788	SH
42	ORMAT TECHNOLOGIES INC	ORA	686688AB8	$4.1M	0.38%	3,110	SH
43	LAUDER ESTEE COS INC	EL	518439104	$4.0M	0.37%	57,824	SH
44	LIBERTY LIVE HOLDINGS INC	LLYVA	530909100	$3.7M	0.35%	41,916	SH
45	SOUTHERN CO	SO	842587DZ7	$3.7M	0.35%	3,300	SH
46	MAGNUM ICE CREAM CO NV	MICC	N5505D105	$3.3M	0.31%	226,500	SH
47	SYNAPTICS INC	SYNA	87157DAJ8	$3.0M	0.29%	3,000	SH
48	AMERICAN EXCEPTIONALISM ACQU	AEXA	G0273J101	$3.0M	0.28%	275,000	SH
49	DUKE ENERGY CORP NEW	DUKRD	26441CBY0	$2.9M	0.27%	2,600	SH
50	RIVIAN AUTOMOTIVE INC	RIVN	76954AAB9	$2.8M	0.26%	2,600	SH