Alyeska Investment Group, L.P.

CHICAGO, IL · CIK 1453072 · 13F filing filed 2023-11-14

SEC-registered investment adviser since 2010 · limited partnership

Assets managed$41.7bn
Staff60 · 38 in investment roles
Main clients (by assets)Private funds 100%
Private funds1 (1 hedge) · $41.7bn gross assets
Websitehighlinercapital.com
Form ADV · 2026-03-23SEC adviser record

Legal entityALYESKA INVESTMENT GROUP, L.P. (US)

$14.6bn reported value +10.9% vs Q2 2023

452positions

13.1%in top 10

148 new 154 added 119 reduced 157 sold out vs Q2 2023

Options: 18 call positions ($71.1m notional), 2 put positions ($58.8m notional) – listed below, not included above.

This report includes the holdings of 1 other manager that shares the investment decisions:

Alyeska Master Fund, L.P. – reports through this filing

Shares in two reports are counted once in each security's totals.

Holdings, Q3 2023

The small lines show how much was held over the last 4 quarters (adjusted for stock splits).

#	Security	Ticker	Shares	Value	% of portfolio	Change	Shares change
1	AERCAP HOLDINGS NV SHS AER	AER	4,007,875	$251.2m1.72%	1.72%	Added +3.4m	+3,382,210 540.6%
2	TAKE-TWO INTERACTIVE SOFTWAR COM TTWO	TTWO	1,525,390	$214.1m1.47%	1.47%	Added +335.6k	+335,568 28.2%
3	ULTA BEAUTY INC COM ULTA	ULTA	477,521	$190.7m1.31%	1.31%	Added +70.8k	+70,765 17.4%
4	BOEING CO COM BA	BA	986,543	$189.1m1.30%	1.30%	Added +304.3k	+304,278 44.6%
5	ALPHABET INC CAP STK CL A GOOGL	GOOGL	1,432,764	$187.5m1.28%	1.28%	Reduced -424.7k	-424,684 -22.9%
6	WYNDHAM HOTELS & RESORTS INC COM WH	WH	2,610,458	$181.5m1.24%	1.24%	Added +1.2m	+1,165,388 80.7%
7	ADOBE INC COM ADBE	ADBE	348,633	$177.8m1.22%	1.22%	Added +313.3k	+313,305 886.9%
8	ANALOG DEVICES INC COM ADI	ADI	1,008,370	$176.6m1.21%	1.21%	Added +879.4k	+879,417 682.0%
9	XYLEM INC COM XYL	XYL	1,930,927	$175.8m1.20%	1.20%	Added +1.1m	+1,085,490 128.4%
10	RB GLOBAL INC COM RBA	RBA	2,603,164	$162.7m1.11%	1.11%	Added +660.5k	+660,453 34.0%
11	LULULEMON ATHLETICA INC COM LULU	LULU	397,327	$153.2m1.05%	1.05%	Added +90.3k	+90,304 29.4%
12	TWILIO INC CL A TWLO	TWLO	2,586,957	$151.4m1.04%	1.04%	Added +614.4k	+614,359 31.1%
13	AMAZON COM INC COM AMZN	AMZN	1,189,278	$151.2m1.04%	1.04%	Added +219.6k	+219,568 22.6%
14	META PLATFORMS INC CL A META	META	463,647	$139.2m0.95%	0.95%	Reduced -350.4k	-350,386 -43.0%
15	WESTERN DIGITAL CORP COM WDC	WDC	2,944,306	$134.3m0.92%	0.92%	Added +1.2m	+1,169,765 65.9%
16	HERSHEY CO COM HSY	HSY	655,565	$131.2m0.90%	0.90%	Added +313.2k	+313,168 91.5%
17	ZOOM COMMUNICATIONS INC CL A ZM	ZM	1,855,411	$129.8m0.89%	0.89%	Added +246.0k	+246,034 15.3%
18	HONEYWELL INTL INC COM COM		697,971	$128.9m0.88%	0.88%	Added +355.5k	+355,487 103.8%
19	JOHNSON CTLS INTL PLC SHS JCI	JCI	2,302,237	$122.5m0.84%	0.84%	Added +1.2m	+1,215,601 111.9%
20	EPAM SYS INC COM EPAM	EPAM	457,367	$116.9m0.80%	0.80%	Reduced -401.5k	-401,488 -46.8%
21	MATTEL INC COM MAT	MAT	5,263,211	$115.9m0.79%	0.79%	Reduced -1.1m	-1,113,748 -17.5%
22	THE CIGNA GROUP COM CI	CI	404,763	$115.8m0.79%	0.79%	Added +99.5k	+99,516 32.6%
23	FEDEX CORP COM FDX	FDX	436,940	$115.8m0.79%	0.79%	Added +331.9k	+331,889 315.9%
24	BOSTON SCIENTIFIC CORP COM BSX	BSX	2,159,933	$114.0m0.78%	0.78%	Added +1.5m	+1,459,933 208.6%
25	BIOGEN INC COM BIIB	BIIB	442,076	$113.6m0.78%	0.78%	Added +74.8k	+74,808 20.4%
26	CHECK POINT SOFTWARE TECH LT ORD CHKP	CHKP	851,295	$113.5m0.78%	0.78%	Added +77.6k	+77,597 10.0%
27	FIVE9 INC COM FIVN	FIVN	1,720,484	$110.6m0.76%	0.76%	Added +500.8k	+500,798 41.1%
28	SALESFORCE INC COM CRM	CRM	537,464	$109.0m0.75%	0.75%	New
29	PAYCOM SOFTWARE INC COM PAYC	PAYC	419,219	$108.7m0.74%	0.74%	New
30	MCDONALDS CORP COM MCD	MCD	409,512	$107.9m0.74%	0.74%	Added +124.3k	+124,285 43.6%
31	MONSTER BEVERAGE CORP NEW COM MNST	MNST	1,955,246	$103.5m0.71%	0.71%	Added +710.1k	+710,131 57.0%
32	NVIDIA CORPORATION COM NVDA	NVDA	237,207	$103.2m0.71%	0.71%	Reduced -377.0k	-377,000 -61.4%
33	DATADOG INC CL A COM DDOG	DDOG	1,119,270	$102.0m0.70%	0.70%	Added +844.0k	+844,015 306.6%
34	WALMART INC COM WMT	WMT	636,281	$101.8m0.70%	0.70%	Added +77.8k	+77,825 13.9%
35	FIRST SOLAR INC COM FSLR	FSLR	609,293	$98.5m0.67%	0.67%	Added +562.6k	+562,644 1206.1%
36	AUTONATION INC COM AN	AN	642,509	$97.3m0.67%	0.67%	Added +234.9k	+234,931 57.6%
37	CHIPOTLE MEXICAN GRILL INC COM CMG	CMG	52,234	$95.7m0.66%	0.66%	New
38	ASTRAZENECA PLC SPONSORED ADR SPONSORED ADR		1,401,856	$94.9m0.65%	0.65%	New
39	DECKERS OUTDOOR CORP COM DECK	DECK	183,651	$94.4m0.65%	0.65%	Added +30.3k	+30,334 19.8%
40	PROCTER AND GAMBLE CO COM PG	PG	641,088	$93.5m0.64%	0.64%	Reduced -244.9k	-244,930 -27.6%
41	LEIDOS HOLDINGS INC COM LDOS	LDOS	1,013,024	$93.4m0.64%	0.64%	Reduced -375.6k	-375,627 -27.1%
42	BAXTER INTL INC COM BAX	BAX	2,422,122	$91.4m0.63%	0.63%	Added +600.0k	+600,000 32.9%
43	MICROSOFT CORP COM MSFT	MSFT	274,485	$86.7m0.59%	0.59%	Reduced -208.5k	-208,462 -43.2%
44	PIONEER NAT RES CO COM PXD	PXD	375,830	$86.3m0.59%	0.59%	New
45	POLARIS INC COM PII	PII	820,529	$85.4m0.59%	0.59%	Added +146.1k	+146,074 21.7%
46	DISCOVER FINL SVCS COM DFS	DFS	984,260	$85.3m0.58%	0.58%	Added +755.7k	+755,721 330.7%
47	TARGA RES CORP COM TRGP	TRGP	987,959	$84.7m0.58%	0.58%	Added +390.3k	+390,270 65.3%
48	ELI LILLY & CO COM LLY	LLY	156,839	$84.2m0.58%	0.58%	New
49	FEDERAL RLTY INVT TR NEW SH BEN INT NEW FRT	FRT	928,139	$84.1m0.58%	0.58%	Added +293.8k	+293,792 46.3%
50	ROLLINS INC COM ROL	ROL	2,248,112	$83.9m0.58%	0.58%	New
51	VENTAS INC COM VTR	VTR	1,924,892	$81.1m0.56%	0.56%	Added +314.3k	+314,310 19.5%
52	WAYFAIR INC CL A W	W	1,331,931	$80.7m0.55%	0.55%	Added +567.7k	+567,664 74.3%
53	CENOVUS ENERGY INC COM CVE	CVE	3,872,844	$80.6m0.55%	0.55%	New
54	METLIFE INC COM MET	MET	1,278,813	$80.5m0.55%	0.55%	Added +1.3m	+1,270,954 16172.0%
55	OKTA INC CL A OKTA	OKTA	961,792	$78.4m0.54%	0.54%	Reduced -256.6k	-256,564 -21.1%
56	KENVUE INC COM KVUE	KVUE	3,883,508	$78.0m0.53%	0.53%	Added +3.4m	+3,383,508 676.7%
57	LOUISIANA PAC CORP COM LPX	LPX	1,400,330	$77.4m0.53%	0.53%	Added +419.1k	+419,150 42.7%
58	TERADATA CORP DEL COM TDC	TDC	1,694,367	$76.3m0.52%	0.52%	Added +691.5k	+691,473 69.0%
59	RAPID7 INC COM RPD	RPD	1,633,691	$74.8m0.51%	0.51%	Added +144.5k	+144,509 9.7%
60	RESTAURANT BRANDS INTL INC COM QSR	QSR	1,106,754	$73.7m0.51%	0.51%	Added +931.5k	+931,482 531.5%
61	EXACT SCIENCES CORP COM EXAS	EXAS	1,061,052	$72.4m0.50%	0.50%	Added +710.4k	+710,428 202.6%
62	LUMENTUM HLDGS INC COM LITE	LITE	1,586,660	$71.7m0.49%	0.49%	Added +909.8k	+909,765 134.4%
63	SANOFI SPONSORED ADR SNY	SNY	1,325,949	$71.1m0.49%	0.49%	Added +398.3k	+398,337 42.9%
64	BAKER HUGHES COMPANY CL A BKR	BKR	1,998,461	$70.6m0.48%	0.48%	New
65	AUTOZONE INC COM AZO	AZO	26,948	$68.4m0.47%	0.47%	Added +19.5k	+19,474 260.6%
66	ORACLE CORP COM ORCL	ORCL	632,231	$67.0m0.46%	0.46%	New
67	DEXCOM INC COM DXCM	DXCM	714,466	$66.7m0.46%	0.46%	Reduced -187.7k	-187,727 -20.8%
68	CHENIERE ENERGY INC COM NEW LNG	LNG	400,594	$66.5m0.46%	0.46%	Added +252.4k	+252,420 170.3%
69	HESS CORP COM HES	HES	432,545	$66.2m0.45%	0.45%	Reduced -162.5k	-162,481 -27.3%
70	CRANE COMPANY COMMON STOCK CR	CR	743,157	$66.0m0.45%	0.45%	Reduced -84.2k	-84,240 -10.2%
71	TEVA PHARMACEUTICAL INDS LTD SPONSORED ADS SPONSORED ADS		6,462,576	$65.9m0.45%	0.45%	Added +5.0m	+4,962,576 330.8%
72	ELASTIC N V ORD SHS ESTC	ESTC	804,756	$65.4m0.45%	0.45%	Reduced -170.2k	-170,191 -17.5%
73	COLGATE PALMOLIVE CO COM CL	CL	919,057	$65.4m0.45%	0.45%	Reduced -217.6k	-217,571 -19.1%
74	ENPHASE ENERGY INC COM ENPH	ENPH	540,319	$64.9m0.44%	0.44%	Added +172.7k	+172,743 47.0%
75	COOPER COS INC COM NEW COM NEW		202,796	$64.5m0.44%	0.44%	Added +54.7k	+54,684 36.9%
76	MOBILEYE GLOBAL INC COMMON CLASS A MBLY	MBLY	1,534,877	$63.8m0.44%	0.44%	Reduced -234.1k	-234,071 -13.2%
77	INTUITIVE SURGICAL INC COM NEW ISRG	ISRG	217,560	$63.6m0.44%	0.44%	Reduced -218.4k	-218,430 -50.1%
78	HILTON WORLDWIDE HLDGS INC COM HLT	HLT	423,272	$63.6m0.44%	0.44%	New
79	IPG PHOTONICS CORP COM IPGP	IPGP	623,471	$63.3m0.43%	0.43%	New
80	F5 INC COM FFIV	FFIV	381,526	$61.5m0.42%	0.42%	New
81	SCHWAB CHARLES CORP COM SCHW	SCHW	1,100,462	$60.4m0.41%	0.41%	Added +1.1m	+1,095,761 23309.1%
82	TOPBUILD CORP COM BLD	BLD	234,217	$58.9m0.40%	0.40%	Reduced -56.0k	-56,014 -19.3%
83	BECTON DICKINSON & CO COM BDX	BDX	225,000	$58.2m0.40%	0.40%	Reduced -25.0k	-25,000 -10.0%
84	APOLLO GLOBAL MGMT INC COM APO	APO	646,870	$58.1m0.40%	0.40%	Added +221.1k	+221,079 51.9%
85	WEST PHARMACEUTICAL SVSC INC COM WST	WST	154,440	$57.9m0.40%	0.40%	New
86	PROGRESSIVE CORP COM PGR	PGR	415,880	$57.9m0.40%	0.40%	Added +400.1k	+400,089 2533.7%
87	ARGENX SE SPONSORED ADR ARGX	ARGX	115,131	$56.6m0.39%	0.39%	New
88	RALPH LAUREN CORP CL A RL	RL	486,699	$56.5m0.39%	0.39%	Added +31.3k	+31,284 6.9%
89	AMGEN INC COM AMGN	AMGN	210,000	$56.4m0.39%	0.39%	New
90	WELLS FARGO CO NEW COM WFC	WFC	1,353,081	$55.3m0.38%	0.38%	Added +1.3m	+1,318,374 3798.6%
91	UBER TECHNOLOGIES INC COM UBER	UBER	1,199,321	$55.2m0.38%	0.38%	Added +673.9k	+673,939 128.3%
92	DOLLAR GEN CORP NEW COM DG	DG	515,871	$54.6m0.37%	0.37%	New
93	RIVIAN AUTOMOTIVE INC COM CL A RIVN	RIVN	2,247,413	$54.6m0.37%	0.37%	Added +1.7m	+1,722,413 328.1%
94	REXFORD INDL RLTY INC COM REXR	REXR	1,093,697	$54.0m0.37%	0.37%	New
95	VALERO ENERGY CORP COM VLO	VLO	376,625	$53.4m0.37%	0.37%	Reduced -363.4k	-363,351 -49.1%
96	BURLINGTON STORES INC COM BURL	BURL	393,417	$53.2m0.36%	0.36%	Added +118.5k	+118,478 43.1%
97	UNDER ARMOUR INC CL A UAA	UAA	7,744,158	$53.0m0.36%	0.36%	Added +4.9m	+4,897,400 172.0%
98	EQUINIX INC COM EQIX	EQIX	70,966	$51.5m0.35%	0.35%	Added +51.3k	+51,258 260.1%
99	TRANSDIGM GROUP INC COM TDG	TDG	61,010	$51.4m0.35%	0.35%	Added +13.3k	+13,303 27.9%
100	AMERICAN INTL GROUP INC COM NEW AIG	AIG	830,384	$50.3m0.34%	0.34%	Reduced -939.9k	-939,908 -53.1%

Sold out since Q2 2023

Security	Ticker	Shares held before	Value then
ACTIVISION BLIZZARD INC ATVI	ATVI	2,245,814	$189.3m2.2m shares
DOLLAR TREE INC DLTR	DLTR	1,032,203	$148.1m1.0m shares
DELL TECHNOLOGIES INC DELL	DELL	2,246,949	$121.6m2.2m shares
SBA COMMUNICATIONS CORP NEW SBAC	SBAC	405,823	$94.1m405.8k shares
REGENERON PHARMACEUTICALS REGN	REGN	112,238	$80.6m112.2k shares
CONOCOPHILLIPS COP	COP	732,092	$75.9m732.1k shares
ELECTRONIC ARTS INC EA	EA	475,936	$61.7m475.9k shares
CARLISLE COS INC CSL	CSL	229,349	$58.8m229.3k shares
VERTEX PHARMACEUTICALS INC VRTX	VRTX	162,049	$57.0m162.0k shares
ZOETIS INC ZTS	ZTS	289,421	$49.8m289.4k shares
CIENA CORP CIEN	CIEN	1,164,632	$49.5m1.2m shares
ALBEMARLE CORP ALB	ALB	211,199	$47.1m211.2k shares
ZEBRA TECHNOLOGIES CORPORATI ZBRA	ZBRA	152,531	$45.1m152.5k shares
SCHLUMBERGER LTD SLB	SLB	849,693	$41.7m849.7k shares
CANADIAN NAT RES LTD CNQ	CNQ	740,846	$41.7m740.8k shares
WOODWARD INC WWD	WWD	350,505	$41.7m350.5k shares
NEXTRACKER INC NXT	NXT	1,000,000	$39.8m1.0m shares
BANK NEW YORK MELLON CORP BNY	BNY	864,185	$38.5m864.2k shares
ATLASSIAN CORPORATION TEAM	TEAM	221,688	$37.2m221.7k shares
NORFOLK SOUTHN CORP NSC	NSC	162,322	$36.8m162.3k shares
REPLIGEN CORP RGEN	RGEN	244,484	$34.6m244.5k shares
ALEXANDRIA REAL ESTATE EQ IN ARE	ARE	304,184	$34.5m304.2k shares
FABRINET FN	FN	262,163	$34.0m262.2k shares
MASIMO CORP MASI	MASI	204,409	$33.6m204.4k shares
ADVANCE AUTO PARTS INC AAP	AAP	478,235	$33.6m478.2k shares

Options (notional value)

Underlying	Ticker	Type	Shares controlled	Notional	Change
PALANTIR TECHNOLOGIES INC PLTR · Put	PLTR	Put	2,500,000	$40.0m2.5m shares	Unchanged
TESLA INC TSLA · Put	TSLA	Put	75,000	$18.8m75.0k shares	Reduced
APPLIED THERAPEUTICS INC APLT · Call	APLT	Call	7,500,000	$18.7m7.5m shares	Unchanged
FLAME ACQUISITION CORP Call		Call	800,000	$8.4m800.0k shares	Unchanged
MIRION TECHNOLOGIES INC MIR · Call	MIR	Call	1,000,000	$7.5m1.0m shares	Unchanged
GLOBAL BLUE GROUP HOLDING AG Call		Call	1,050,188	$6.4m1.1m shares	Unchanged
JOBY AVIATION INC JOBY · Call	JOBY	Call	846,033	$5.5m846.0k shares	Unchanged
P3 HEALTH PARTNERS INC Call		Call	3,354,203	$4.9m3.4m shares	Reduced
UNITY BIOTECHNOLOGY INC UNBX · Call	UNBX	Call	1,286,000	$3.1m1.3m shares	Unchanged
COMPASS PATHWAYS PLC CMPS · Call	CMPS	Call	386,000	$2.9m386.0k shares	New
NEWAMSTERDAM PHARMA COMPANY NAMS · Call	NAMS	Call	289,265	$2.7m289.3k shares	Unchanged
IMMATICS N.V IMTX · Call	IMTX	Call	215,223	$2.5m215.2k shares	Unchanged
89BIO INC ETNB · Call	ETNB	Call	150,000	$2.3m150.0k shares	Unchanged
SELLAS LIFE SCIENCES GROUP I SLS · Call	SLS	Call	1,000,000	$1.6m1.0m shares	Reduced
IO BIOTECH INC IOBTQ · Call	IOBTQ	Call	987,654	$1.4m987.7k shares	New
META MATERIALS INC Call		Call	6,000,000	$1.3m6.0m shares	Unchanged
LYRA THERAPEUTICS INC LYRA · Call	LYRA	Call	240,723	$941.2k240.7k shares	Unchanged
VILLAGE FARMS INTL INC VFF · Call	VFF	Call	740,000	$590.1k740.0k shares	Unchanged
VBI VACCINES INC CDA VAC · Call	VAC	Call	782,000	$521.0k782.0k shares	New
MEDAVAIL HOLDINGS INC MDVLQ · Call	MDVLQ	Call	62,266	$7.5k62.3k shares	New

Stakes above 5%

Companies where this manager has reported owning more than 5% of a class of shares, on Schedule 13D (may seek influence) or 13G (passive): its latest filing for each, from 19 Dec 2024 on. The largest 25 of 52.

Company	Ticker	Stake	Change	Schedule	Last filed
CORE AI HOLDINGS INC CHAI · 13G · filed 2026-08-14	CHAI	10.0%≈ $1.6m	new	13G	2026-08-14
SOLIDION TECHNOLOGY INC STI · 13G · filed 2026-08-14	STI	10.0%≈ $7.9m	new	13G	2026-08-14
DUOS TECHNOLOGIES GROUP INC DUOT · 13G · filed 2026-08-14	DUOT	10.0%≈ $41.5m	+3.5 pts	13G	2026-08-14
POP CULTURE GROUP CO LTD CPOP · 13G · filed 2026-08-14	CPOP	10.0%	new	13G	2026-08-14
VENHUB GLOBAL INC VHUB · 13G · filed 2026-05-15	VHUB	10.0%≈ $8.9m	new	13G	2026-05-15
TITAN MNG CORP TII · 13G · filed 2026-05-15	TII	10.0%≈ $20.0m	+2.7 pts	13G	2026-05-15
KIORA PHARMACEUTICALS INC KPRX · 13G · filed 2026-05-15	KPRX	10.0%≈ $1.0m	+7.5 pts	13G	2026-05-15
METAVIA INC MTVA · 13G · filed 2026-05-15	MTVA	10.0%≈ $727.3k	new	13G	2026-05-15
QT IMAGING HLDGS INC 13G · filed 2026-02-17		10.0%	new	13G	2026-02-17
STRIVE INC 13G · filed 2025-11-14		10.0%	new	13G	2025-11-14
INTELLIGENT BIO SOLUTIONS IN 13G · filed 2025-11-14		10.0%		13G	2025-11-14
ALIGOS THERAPEUTICS INC ALGS · 13G · filed 2025-05-15	ALGS	10.0%≈ $3.1m	new	13G	2025-05-15
SUNCRETE INC RMIX · 13G · filed 2026-08-14	RMIX	9.9%≈ $105.8m	new	13G	2026-08-14
EINRIDE AB ENRD · 13G · filed 2026-08-14	ENRD	9.9%	new	13G	2026-08-14
MERLIN INC MRLN · 13G · filed 2026-05-15	MRLN	9.9%≈ $47.5m	new	13G	2026-05-15
EAGLE NUCLEAR ENERGY CORP NUCL · 13G · filed 2026-05-15	NUCL	9.9%≈ $28.1m	new	13G	2026-05-15
BRAZIL POTASH CORP GRO · 13G · filed 2026-02-17	GRO	9.9%≈ $11.4m	new	13G	2026-02-17
ADAGIO MED HLDGS INC ADGM · 13G · filed 2026-02-17	ADGM	9.9%≈ $1.4m	new	13G	2026-02-17
VERU INC VERU · 13G · filed 2026-02-17	VERU	9.9%≈ $5.0m	new	13G	2026-02-17
IN8BIO INC INAB · 13G · filed 2026-02-17	INAB	9.9%≈ $1.4m	new	13G	2026-02-17
PSQ HOLDINGS INC 13G · filed 2026-02-17		9.9%≈ $1.8m	+4.3 pts	13G	2026-02-17
MARKER THERAPEUTICS INC MRKR · 13G · filed 2025-11-14	MRKR	9.9%≈ $1.9m	-0.1 pts	13G	2025-11-14
KODIAK AI INC. KDK · 13G · filed 2025-11-14	KDK	9.9%≈ $92.0m	new	13G	2025-11-14
ARBE ROBOTICS LTD ARBE · 13G · filed 2025-11-14	ARBE	9.9%≈ $8.7m	+0.2 pts	13G	2025-11-14
GORILLA TECHNOLOGY GROUP INC GRRR · 13G · filed 2025-08-14	GRRR	9.9%≈ $44.6m	new	13G	2025-08-14