Ken Griffin Citadel Advisors
Ken Griffin founded Citadel, one of the world’s largest and most successful hedge funds. Starting his trading career from his Harvard dorm room at a young age, Griffin quickly developed a keen sense for markets and built Citadel into a global powerhouse with billions in assets under management. Known for his quantitative and technology-driven strategies, Griffin has also made headlines for significant philanthropic contributions, supporting causes in education, the arts, and public institutions. Over the years, he has earned recognition as one of the preeminent figures in modern finance.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Amazon
AMZN
|
+$2.49B |
| 2 |
NVIDIA
NVDA
|
+$2.19B |
| 3 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$1.94B |
| 4 |
TSMC
TSM
|
+$728M |
| 5 |
UnitedHealth
UNH
|
+$705M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Meta Platforms (Facebook)
META
|
+$775M |
| 2 |
AbbVie
ABBV
|
+$540M |
| 3 |
Delta Air Lines
DAL
|
+$434M |
| 4 |
Eli Lilly
LLY
|
+$433M |
| 5 |
DexCom
DXCM
|
+$433M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 4.89% |
| 2 | Healthcare | 2.92% |
| 3 | Financials | 2.71% |
| 4 | Consumer Discretionary | 2.52% |
| 5 | Industrials | 2.2% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
5551
PUT
Celcuity
CELC
$4.47B
| $2.38M | ﹤0.01% |
23,900
+9,800
| +70% | +$806K |
|
5552
PUT
Portillo's
PTLO
$360M
| $2.38M | ﹤0.01% |
524,600
-239,900
| -31% | -$1.25M |
|
5553
State Street SPDR Portfolio Long Term Corporate Bond ETF
SPLB
$1.19B
| $2.38M | ﹤0.01% |
+105,417
| New | +$2.42M |
|
|
QBTX
5554
PUT
Tradr 2X Long QBTS Daily ETF
QBTX
$88.7M
| $2.38M | ﹤0.01% |
71,800
-36,800
| -34% | -$2.22M |
|
5555
PUT
Yum China
YUMC
$16.2B
| $2.37M | ﹤0.01% |
49,700
-60,000
| -55% | -$2.75M |
|
5556
WisdomTree Europe Quality Dividend Growth Fund
EUDG
$69.8M
| $2.37M | ﹤0.01% |
+63,205
| New | +$2.29M |
|
5557
PUT
Evergy
EVRG
$19.3B
| $2.37M | ﹤0.01% |
32,700
-584,400
| -95% | -$44.3M |
|
|
BTC
5558
PUT
Grayscale Bitcoin Mini Trust ETF
BTC
$3.4B
| $2.37M | ﹤0.01% |
61,200
-36,100
| -37% | -$1.6M |
|
|
MESO
5559
Mesoblast
MESO
$2.22B
| $2.37M | ﹤0.01% |
+131,388
| New | +$2.26M |
|
5560
PUT
Direxion Daily MSFT Bull 2X ETF
MSFU
$651M
| $2.37M | ﹤0.01% |
57,100
-23,900
| -30% | -$1.14M |
|
5561
PUT
ArcBest
ARCB
$3.26B
| $2.37M | ﹤0.01% |
31,900
+1,100
| +4% | +$78.3K |
|
5562
Anterix
ATEX
$1.78B
| $2.37M | ﹤0.01% |
108,380
-2,714
| -2% | -$56.4K |
|
5563
Vanguard Financials ETF
VFH
$13.9B
| $2.37M | ﹤0.01% |
17,722
-9,763
| -36% | -$1.27M |
|
5564
iShares China Large-Cap ETF
FXI
$4.18B
| $2.36M | ﹤0.01% |
61,708
-113,577
| -65% | -$4.51M |
|
5565
PubMatic
PUBM
$778M
| $2.36M | ﹤0.01% |
266,143
-46,985
| -15% | -$409K |
|
5566
PUT
Bumble
BMBL
$343M
| $2.36M | ﹤0.01% |
660,800
+280,000
| +74% | +$1.24M |
|
5567
PUT
iShares Russell 2000 Growth ETF
IWO
$15.1B
| $2.36M | ﹤0.01% |
7,300
-4,700
| -39% | -$1.53M |
|
5568
CALL
Graphic Packaging
GPK
$3.25B
| $2.36M | ﹤0.01% |
156,400
+67,500
| +76% | +$1.11M |
|
5569
PUT
SiteOne Landscape Supply
SITE
$4.16B
| $2.35M | ﹤0.01% |
+18,900
| New | +$2.39M |
|
5570
PUT
Sensata Technologies
ST
$6.69B
| $2.35M | ﹤0.01% |
70,700
+1,600
| +2% | +$51.2K |
|
5571
BioLife Solutions
BLFS
$1.72B
| $2.35M | ﹤0.01% |
97,313
-41,171
| -30% | -$1.08M |
|
5572
First Trust Indxx Metaverse ETF
ARVR
$5.77M
| $2.35M | ﹤0.01% |
+48,061
| New | +$2.39M |
|
5573
Invesco AI and Next Gen Software ETF
IGPT
$1.25B
| $2.35M | ﹤0.01% |
+39,548
| New | +$2.3M |
|
5574
iShares MSCI ACWI ex US ETF
ACWX
$12B
| $2.35M | ﹤0.01% |
35,034
-164,972
| -82% | -$10.9M |
|
5575
PUT
Vipshop
VIPS
$6.72B
| $2.35M | ﹤0.01% |
132,900
-41,700
| -24% | -$802K |
|
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Ken Griffin's Q4 2025 Portfolio in Review
As of Q4 2025, Ken Griffin held 14,701 positions worth $666B, up 1.3% from $657B the previous quarter. Its ten largest holdings account for 23% of the portfolio.
Ken Griffin's Q4 2025 filing shows 2,078 new, 5,000 increased, 5,362 reduced and 2,191 closed positions. Its largest new stake was Medline Inc: 6,006,339 shares worth $252M. The largest sale was Meta Platforms (Facebook), an estimated $775M.
By sector, the portfolio is most concentrated in Technology at 4.9% of assets, up from 3.8% a quarter earlier, followed by Healthcare and Financials.
- Ken Griffin's largest Q4 2025 buy was Medline Inc: 6,006,339 shares worth $252M.
- Ken Griffin added most to Amazon in Q4 2025, an estimated $2.49B increase.
- Ken Griffin's biggest Q4 2025 reduction was Meta Platforms (Facebook), cutting an estimated $775M.
- Ken Griffin fully exited WEX in Q4 2025, selling an estimated $131M.
- Ken Griffin's ten largest holdings make up 23% of its $666B portfolio in Q4 2025.
- Ken Griffin opened 2,078 new positions and closed 2,191 in Q4 2025.
- Ken Griffin's portfolio value rose 1.3% quarter-over-quarter to $666B.
Based on Citadel Advisors's 13F filing for Q4 2025, filed 17 Feb 2026.