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 | |
|---|---|---|---|---|---|---|
4026
PUT
Murphy Oil
MUR
$4.96B
| $5.78M | ﹤0.01% |
185,000
-79,800
| -30% | -$2.4M |
|
4027
PUT
Celanese
CE
$5.01B
| $5.78M | ﹤0.01% |
136,700
+2,100
| +2% | +$85.7K |
|
4028
Manchester United
MANU
$4.17B
| $5.78M | ﹤0.01% |
362,912
+103,887
| +40% | +$1.68M |
|
4029
F&G Annuities & Life
FG
$3.59B
| $5.77M | ﹤0.01% |
187,114
+20,085
| +12% | +$628K |
|
4030
Canadian Solar
CSIQ
$1.03B
| $5.77M | ﹤0.01% |
242,842
+210,489
| +651% | +$4.59M |
|
|
GRAL
4031
GRAIL Inc
GRAL
$3.03B
| $5.77M | ﹤0.01% |
+67,427
| New | +$5.83M |
|
|
KLAR
4032
PUT
Klarna Group
KLAR
$7.86B
| $5.77M | ﹤0.01% |
199,600
+96,000
| +93% | +$3.3M |
|
|
4033
DexCom
DXCM
$33.9B
| $5.77M | ﹤0.01% |
86,900
-6,691,590
| -99% | -$433M |
|
|
NAK
4034
Northern Dynasty Minerals
NAK
$908M
| $5.76M | ﹤0.01% |
2,926,220
-1,107,828
| -27% | -$2.14M |
|
4035
Amdocs
DOX
$6.18B
| $5.76M | ﹤0.01% |
71,571
+67,798
| +1,797% | +$5.45M |
|
4036
NOV
NOV
$7.54B
| $5.76M | ﹤0.01% |
368,531
-950,126
| -72% | -$14.1M |
|
4037
iShares MSCI Chile ETF
ECH
$1.04B
| $5.76M | ﹤0.01% |
+142,560
| New | +$5.17M |
|
|
CWAN
4038
CALL
DELISTED
Clearwater Analytics
CWAN
| $5.75M | ﹤0.01% |
238,300
+15,576
| +7% | +$312K |
|
4039
Eagle Bancorp
EGBN
$878M
| $5.75M | ﹤0.01% |
268,212
+13,732
| +5% | +$265K |
|
4040
Qualys
QLYS
$6.44B
| $5.74M | ﹤0.01% |
43,204
-29,118
| -40% | -$4.01M |
|
4041
Freedom Holding
FRHC
$9.34B
| $5.74M | ﹤0.01% |
47,157
-24,614
| -34% | -$3.57M |
|
4042
RB Global
RBA
$15.6B
| $5.74M | ﹤0.01% |
55,769
-131,694
| -70% | -$13.4M |
|
4043
PUT
Novavax
NVAX
$1.33B
| $5.73M | ﹤0.01% |
853,000
-286,800
| -25% | -$2.16M |
|
4044
Grayscale Bitcoin Trust
GBTC
$9.44B
| $5.73M | ﹤0.01% |
+83,822
| New | +$6.57M |
|
|
SKYT
4045
PUT
DELISTED
SkyWater Technology
SKYT
| $5.73M | ﹤0.01% |
315,500
+64,300
| +26% | +$1.12M |
|
4046
PUT
Carlisle Companies
CSL
$14.7B
| $5.73M | ﹤0.01% |
17,900
+8,700
| +95% | +$2.82M |
|
4047
PUT
GlobalFoundries
GFS
$30B
| $5.72M | ﹤0.01% |
163,900
-52,900
| -24% | -$1.88M |
|
4048
Towne Bank
TOWN
$3.5B
| $5.72M | ﹤0.01% |
171,328
+72,592
| +74% | +$2.44M |
|
4049
Dimensional Ultrashort Fixed Income ETF
DUSB
$2.23B
| $5.71M | ﹤0.01% |
112,737
-48,295
| -30% | -$2.45M |
|
4050
PUT
Agios Pharmaceuticals
AGIO
$2B
| $5.71M | ﹤0.01% |
209,700
+171,000
| +442% | +$6M |
|
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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.