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 | |
|---|---|---|---|---|---|---|
6726
PUT
Tennant Co
TNC
$1.15B
| $1.34M | ﹤0.01% |
18,200
-400
| -2% | -$30.6K |
|
6727
CALL
Banco Bradesco
BBD
$33.5B
| $1.34M | ﹤0.01% |
402,800
-203,300
| -34% | -$692K |
|
6728
Talos Energy
TALO
$2.74B
| $1.34M | ﹤0.01% |
121,651
-3,039,311
| -96% | -$31.8M |
|
6729
PUT
iShares Core S&P Mid-Cap ETF
IJH
$127B
| $1.34M | ﹤0.01% |
20,300
+4,500
| +28% | +$295K |
|
6730
CALL
Astronics
ATRO
$4.28B
| $1.34M | ﹤0.01% |
29,640
+1,920
| +7% | +$80.5K |
|
6731
Stevanato
STVN
$5.78B
| $1.34M | ﹤0.01% |
+66,563
| New | +$1.55M |
|
6732
PUT
Concentrix
CNXC
$1.43B
| $1.34M | ﹤0.01% |
32,200
-51,800
| -62% | -$2.1M |
|
6733
CALL
Extreme Networks
EXTR
$3.1B
| $1.34M | ﹤0.01% |
80,400
-900
| -1% | -$16.5K |
|
6734
First Trust Active Factor Large Cap ETF
AFLG
$746M
| $1.34M | ﹤0.01% |
34,218
-6,314
| -16% | -$246K |
|
|
CSR
6735
Centerspace
CSR
$906M
| $1.34M | ﹤0.01% |
+20,043
| New | +$1.26M |
|
6736
CALL
Americold
COLD
$4.27B
| $1.34M | ﹤0.01% |
103,900
+63,200
| +155% | +$775K |
|
6737
AB Corporate Bond ETF
EYEG
$27.6M
| $1.34M | ﹤0.01% |
37,339
-1,659
| -4% | -$59.9K |
|
6738
PUT
Direxion Daily Energy Bull 2X ETF
ERX
$258M
| $1.33M | ﹤0.01% |
23,900
-20,200
| -46% | -$1.12M |
|
6739
PUT
Glacier Bancorp
GBCI
$6.39B
| $1.33M | ﹤0.01% |
30,300
-2,000
| -6% | -$87.7K |
|
6740
SmartRent
SMRT
$276M
| $1.33M | ﹤0.01% |
660,117
+50,592
| +8% | +$82.9K |
|
|
WCN
6741
PUT
Waste Connections
WCN
$42B
| $1.33M | ﹤0.01% |
7,600
+6,100
| +407% | +$1.05M |
|
6742
GraniteShares Nasdaq Select Disruptors ETF
DRUP
$51.5M
| $1.33M | ﹤0.01% |
19,941
+1,347
| +7% | +$90.2K |
|
6743
State Street SPDR Portfolio Europe ETF
SPEU
$737M
| $1.33M | ﹤0.01% |
25,544
-63,908
| -71% | -$3.24M |
|
6744
PUT
Target Hospitality
TH
$1.75B
| $1.33M | ﹤0.01% |
166,200
-31,500
| -16% | -$239K |
|
6745
Vanguard FTSE Developed Markets ETF
VEA
$236B
| $1.33M | ﹤0.01% |
21,300
-5,518
| -21% | -$338K |
|
|
GIGL
6746
Goldman Sachs Corporate Bond ETF
GIGL
$218M
| $1.33M | ﹤0.01% |
26,098
-10,950
| -30% | -$561K |
|
6747
PUT
Autoliv
ALV
$8.86B
| $1.33M | ﹤0.01% |
11,200
+3,400
| +44% | +$406K |
|
6748
GoPro
GPRO
$109M
| $1.33M | ﹤0.01% |
942,686
+472,807
| +101% | +$858K |
|
|
AGEN
6749
Agenus
AGEN
$336M
| $1.33M | ﹤0.01% |
+423,242
| New | +$1.69M |
|
|
6750
Extreme Networks
EXTR
$3.1B
| $1.33M | ﹤0.01% |
79,816
-169,388
| -68% | -$3.11M |
|
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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.