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 | |
|---|---|---|---|---|---|---|
1026
AT&T
T
$168B
| $78.4M | 0.01% |
3,157,675
-15,026,505
| -83% | -$380M |
|
1027
PUT
ProShares UltraPro Short QQQ
SQQQ
$1.67B
| $78.4M | 0.01% |
1,144,476
+491,652
| +75% | +$34.8M |
|
1028
PUT
EOG Resources
EOG
$75.1B
| $78.2M | 0.01% |
744,700
+13,800
| +2% | +$1.48M |
|
1029
CALL
Devon Energy
DVN
$48.8B
| $78.1M | 0.01% |
2,132,400
+237,800
| +13% | +$8.3M |
|
1030
Associated Banc-Corp
ASB
$6.07B
| $78M | 0.01% |
3,029,633
-642,793
| -18% | -$16.5M |
|
1031
CALL
General Dynamics
GD
$107B
| $78M | 0.01% |
231,600
+25,500
| +12% | +$8.7M |
|
1032
PUT
IonQ
IONQ
$18.2B
| $77.9M | 0.01% |
1,736,000
-973,300
| -36% | -$54.5M |
|
1033
Bloom Energy
BE
$69.6B
| $77.8M | 0.01% |
895,785
-306,835
| -26% | -$32.2M |
|
1034
Amneal Pharmaceuticals
AMRX
$6.15B
| $77.8M | 0.01% |
6,175,737
+446,438
| +8% | +$5.11M |
|
1035
Melco Resorts & Entertainment
MLCO
$2.14B
| $77.8M | 0.01% |
10,272,891
-168,955
| -2% | -$1.42M |
|
1036
CALL
Charter Communications
CHTR
$17.9B
| $77.7M | 0.01% |
372,200
-3,000
| -0.8% | -$675K |
|
1037
PUT
Teva Pharmaceuticals
TEVA
$42.6B
| $77.7M | 0.01% |
2,488,900
+320,700
| +15% | +$7.9M |
|
1038
Host Hotels & Resorts
HST
$15.6B
| $77.7M | 0.01% |
4,380,861
-6,820,089
| -61% | -$118M |
|
1039
RenaissanceRe
RNR
$13.2B
| $77.6M | 0.01% |
276,136
-147,416
| -35% | -$38.8M |
|
1040
PUT
Johnson Controls International
JCI
$92.6B
| $77.5M | 0.01% |
647,000
+269,700
| +71% | +$31M |
|
1041
Jones Lang LaSalle
JLL
$17B
| $77.3M | 0.01% |
229,800
+51,225
| +29% | +$16.1M |
|
1042
BHP
BHP
$222B
| $77.3M | 0.01% |
1,280,623
+1,046,215
| +446% | +$59.4M |
|
1043
AstraZeneca
AZN
$244B
| $77.2M | 0.01% |
420,067
-1,373,076
| -77% | -$241M |
|
|
1044
PUT
AT&T
T
$168B
| $77.2M | 0.01% |
3,108,600
-432,000
| -12% | -$10.9M |
|
1045
Vale
VALE
$61.4B
| $77.2M | 0.01% |
5,921,812
+2,083,863
| +54% | +$25.3M |
|
1046
PUT
Pan American Silver
PAAS
$19.9B
| $77M | 0.01% |
1,485,456
+283,092
| +24% | +$11.8M |
|
1047
Sempra
SRE
$56.2B
| $76.7M | 0.01% |
868,754
+733,855
| +544% | +$66.8M |
|
1048
Veeva Systems
VEEV
$41B
| $76.5M | 0.01% |
342,693
+333,439
| +3,603% | +$88.5M |
|
|
ECHO
1049
EchoStar
ECHO
$26.6B
| $76.5M | 0.01% |
+703,411
| New | +$57.3M |
|
1050
CALL
Amplify Junior Silver Miners ETF
SILJ
$3.89B
| $76.3M | 0.01% |
2,757,100
+1,726,500
| +168% | +$42.6M |
|
Similar funds
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.