Alyeska Investment Group, L.P.

View all activity View 13F on SEC

Data as of Q4 2025

Institutional investor tracked via SEC 13F filings. Portfolio snapshot as of 2025-12-31.SEC EDGAR Source

Assets Under Management

$35.4B

Total Positions

575

New This Quarter

200

Filing Period

2025-12-31

Portfolio Allocation

Top holdings by portfolio weight

IVV12.12%

AMZN4.14%

MSFT1.79%

BA1.38%

TTWO1.33%

DASH1.05%

BURL1.05%

EQIX0.97%

DHR0.89%

AVGO0.89%

Other11.05%

Position Outcomes

Best and worst performing positions by estimated return

Top Winners

PRAX5Q held

PRAXIS PRECISION MEDICINES I

Avg $73.47 · $16.6M est. P&L

Est. P&L

+304.26%

SION4Q held

SIONNA THERAPEUTICS INC

Avg $11.56 · $4.1M est. P&L

Est. P&L

+258.04%

GOSS7Q held

GOSSAMER BIO INC

Avg $0.92 · $2M est. P&L

Est. P&L

+239.68%

Top Losers

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View plans

Cost basis estimates based on full filing history using quarter-end prices. Actual transaction prices are not disclosed in 13F filings.

Top Holdings(Showing 25 of 575 — sorted by value)

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Activity:

Stock	Shares	Value	Weight	Price Trend	Avg Buy	Est. P&L	Held	Conviction
IVV ISHARES TR	6.3M	$4.3B	12.1%	—	$605.77	+13.89%	5 qtrs	Increased 63
AMZN Amazon.com Inc	6.4M	$1.5B	4.1%	—	$217.40	+6.96%	18 qtrs	Increased 79
MSFT Microsoft Corp	1.3M	$633.8M	1.8%	—	$438.24	+11.24%	6 qtrs	Increased 80
BA Boeing Co/The	2.3M	$489.1M	1.4%	—	$208.92	+4.59%	5 qtrs	Increased 80
TTWO Take-Two Interactive Software Inc	1.8M	$471.8M	1.3%	—	$189.65	+35.99%	29 qtrs	Increased 67
DASH DoorDash Inc	1.6M	$372.1M	1.1%	—	$228.13	0.00%	1 qtr	New 71
BURL Burlington Stores Inc	1.3M	$371.3M	1.0%	—	$251.06	+14.72%	17 qtrs	Increased 79
EQIX Equinix Inc	447,535	$342.9M	1.0%	—	$793.46	-2.99%	6 qtrs	Increased 65
DHR Danaher Corp	1.4M	$316.1M	0.9%	—	$227.03	+1.60%	13 qtrs	Increased 68
AVGO Broadcom Inc	905,856	$313.5M	0.9%	—	$349.85	0.00%	1 qtr	New 60
META Meta Platforms Inc	450,653	$297.5M	0.8%	—	$625.80	+6.42%	17 qtrs	Decreased 0
T AT&T Inc	11.9M	$295.4M	0.8%	—	$24.89	-1.50%	4 qtrs	Increased 70
CRWV CoreWeave Inc	4M	$286.4M	0.8%	—	$72.67	+1.70%	4 qtrs	Increased 70
KR Kroger Co/The	4.4M	$277.8M	0.8%	—	$63.23	-1.36%	5 qtrs	Increased 60
MCD McDonald's Corp	897,929	$274.4M	0.8%	—	$298.54	+3.18%	7 qtrs	Increased 44
YUM Yum! Brands Inc	1.8M	$272.8M	0.8%	—	$152.18	0.00%	1 qtr	New 60
CMG Chipotle Mexican Grill Inc	7.3M	$271.7M	0.8%	—	$41.48	-10.70%	10 qtrs	Increased 70
HLT Hilton Worldwide Holdings Inc	936,729	$269.1M	0.8%	—	$201.04	+44.46%	10 qtrs	Increased 47
APH Amphenol Corp	1.9M	$250.3M	0.7%	—	$136.20	0.00%	1 qtr	New 60
JEF Jefferies Financial Group Inc	4M	$246.2M	0.7%	—	$62.92	-1.04%	2 qtrs	Increased 70
ULTA ULTA BEAUTY INC	405,606	$245.4M	0.7%	—	$499.74	+21.44%	16 qtrs	Decreased 0
CCI Crown Castle Inc	2.7M	$241.1M	0.7%	—	$96.91	-8.06%	4 qtrs	Increased 52
TMO Thermo Fisher Scientific Inc	405,547	$235M	0.7%	—	$461.69	+26.37%	2 qtrs	Decreased 0
SLB SLB Ltd	5.9M	$225.1M	0.6%	—	$36.49	+5.03%	2 qtrs	Increased 70
TXN Texas Instruments Inc	1.3M	$225M	0.6%	—	$178.07	-2.13%	3 qtrs	Increased 70
Showing 25 of 575 results.PROUpgrade to see all →

Accumulation Streaks

Positions with 2+ consecutive quarters of increases — persistent directional conviction.

Security

FRFirst Industrial Realty Trust Inc

Q4 2024 → Q4 2025+1.5M shares+$86.1M

UTZUTZ BRANDS INC

Q4 2024 → Q4 2025+2.2M shares+$20.9M

ETREntergy Corp

Q1 2025 → Q4 2025+123,702 shares+$12.5M

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Data sourced from SEC EDGAR 13F filings. Not financial advice. Full disclaimer