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 | |
|---|---|---|---|---|---|---|
726
Baidu
BIDU
$35.5B
| $123M | 0.02% |
944,319
+758,787
| +409% | +$94.2M |
|
727
PUT
Unity
U
$20.2B
| $123M | 0.02% |
2,790,800
-907,400
| -25% | -$37M |
|
728
Semtech
SMTC
$12.4B
| $123M | 0.02% |
1,670,218
+962,384
| +136% | +$68.3M |
|
729
Pinnacle Financial Partners Inc
PNFP
$16.2B
| $123M | 0.02% |
1,288,769
+681,325
| +112% | +$62.6M |
|
730
CMS Energy
CMS
$22.1B
| $123M | 0.02% |
1,754,905
-1,263,678
| -42% | -$91.9M |
|
731
British American Tobacco
BTI
$124B
| $123M | 0.02% |
2,167,126
+798,493
| +58% | +$43.6M |
|
732
Datadog
DDOG
$90.6B
| $123M | 0.02% |
902,150
+816,204
| +950% | +$129M |
|
|
AXON
733
Axon Enterprise
AXON
$50B
| $122M | 0.02% |
215,257
+129,477
| +151% | +$80.3M |
|
734
Cintas
CTAS
$80.3B
| $122M | 0.02% |
649,957
-15,155
| -2% | -$2.85M |
|
735
Accenture
ACN
$109B
| $122M | 0.02% |
454,179
-181,060
| -29% | -$46M |
|
736
PUT
Lowe's Companies
LOW
$122B
| $122M | 0.02% |
504,700
-130,800
| -21% | -$31.4M |
|
737
PUT
Rigetti Computing
RGTI
$6.21B
| $121M | 0.02% |
5,481,200
-1,817,100
| -25% | -$59.2M |
|
|
XYZ
738
PUT
Block Inc
XYZ
$49.9B
| $121M | 0.02% |
1,858,200
-957,700
| -34% | -$66.1M |
|
739
CALL
State Street Utilities Select Sector SPDR ETF
XLU
$22.9B
| $121M | 0.02% |
2,831,300
-2,284,700
| -45% | -$101M |
|
740
W.W. Grainger
GWW
$62.2B
| $121M | 0.02% |
119,715
+90,847
| +315% | +$88.1M |
|
741
CALL
Celsius Holdings
CELH
$7.28B
| $121M | 0.02% |
2,636,000
-456,600
| -15% | -$23M |
|
742
Eversource Energy
ES
$27.2B
| $121M | 0.02% |
1,790,033
+501,876
| +39% | +$35.2M |
|
|
FISV
743
Fiserv Inc
FISV
$29.5B
| $120M | 0.02% |
1,793,750
+725,179
| +68% | +$60.7M |
|
744
American Express
AXP
$232B
| $120M | 0.02% |
325,570
+124,992
| +62% | +$44.7M |
|
745
NextEra Energy
NEE
$179B
| $120M | 0.02% |
1,498,983
-2,899,709
| -66% | -$240M |
|
746
CALL
Lyft
LYFT
$6.48B
| $120M | 0.02% |
6,212,200
-946,200
| -13% | -$19.7M |
|
747
Booz Allen Hamilton
BAH
$9.43B
| $120M | 0.02% |
1,426,146
+915,977
| +180% | +$82M |
|
748
Teva Pharmaceuticals
TEVA
$42.6B
| $120M | 0.02% |
3,847,855
+2,613,700
| +212% | +$64.4M |
|
749
Citizens Financial Group
CFG
$31.2B
| $120M | 0.02% |
2,055,732
+1,674,865
| +440% | +$90M |
|
750
Brinker International
EAT
$10.2B
| $120M | 0.02% |
835,731
+49,616
| +6% | +$6.5M |
|
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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.