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 | |
|---|---|---|---|---|---|---|
2051
Par Pacific Holdings
PARR
$4.02B
| $25.7M | ﹤0.01% |
732,650
+187,882
| +34% | +$7.47M |
|
2052
Brookdale Senior Living
BKD
$3.02B
| $25.7M | ﹤0.01% |
2,380,613
-1,324,012
| -36% | -$13M |
|
|
CNR
2053
Core Natural Resources Inc
CNR
$4.76B
| $25.7M | ﹤0.01% |
290,052
-373,641
| -56% | -$31.8M |
|
2054
TransAlta
TAC
$4.05B
| $25.6M | ﹤0.01% |
2,027,408
+1,056,088
| +109% | +$15.8M |
|
2055
LyondellBasell Industries
LYB
$20.6B
| $25.6M | ﹤0.01% |
591,310
-426,427
| -42% | -$19.3M |
|
2056
Fastenal
FAST
$58.5B
| $25.6M | ﹤0.01% |
637,286
+398,330
| +167% | +$16.8M |
|
2057
CALL
Flutter Entertainment
FLUT
$17.6B
| $25.6M | ﹤0.01% |
118,900
+57,400
| +93% | +$12.9M |
|
2058
PUT
Aflac
AFL
$60.9B
| $25.6M | ﹤0.01% |
231,800
+32,000
| +16% | +$3.52M |
|
2059
Urban Outfitters
URBN
$6.66B
| $25.6M | ﹤0.01% |
339,551
+89,305
| +36% | +$6.32M |
|
|
MBX
2060
MBX Biosciences
MBX
$3.3B
| $25.5M | ﹤0.01% |
809,857
-186,226
| -19% | -$4.52M |
|
2061
CALL
iShares MSCI Canada ETF
EWC
$6.56B
| $25.5M | ﹤0.01% |
472,700
-347,400
| -42% | -$18M |
|
2062
State Street SPDR S&P Retail ETF
XRT
$640M
| $25.5M | ﹤0.01% |
298,704
+254,013
| +568% | +$21.3M |
|
2063
CALL
abrdn Physical Palladium Shares ETF
PALL
$651M
| $25.5M | ﹤0.01% |
876,000
+435,000
| +99% | +$11.7M |
|
2064
CALL
Insulet
PODD
$9.94B
| $25.5M | ﹤0.01% |
89,600
+41,800
| +87% | +$13.1M |
|
|
VISN
2065
Vistance Networks Inc
VISN
$2.66B
| $25.4M | ﹤0.01% |
1,403,687
+803,068
| +134% | +$13.9M |
|
|
GLXY
2066
PUT
Galaxy Digital Inc
GLXY
$4.21B
| $25.4M | ﹤0.01% |
1,136,800
-147,000
| -11% | -$4.55M |
|
2067
PUT
Vanguard Morningstar Growth ETF
VUG
$230B
| $25.4M | ﹤0.01% |
312,600
+31,800
| +11% | +$2.58M |
|
2068
CALL
State Street SPDR S&P Bank ETF
KBE
$1.76B
| $25.4M | ﹤0.01% |
418,700
+79,300
| +23% | +$4.67M |
|
2069
CALL
Liquidia Corp
LQDA
$6.66B
| $25.4M | ﹤0.01% |
735,700
-48,200
| -6% | -$1.37M |
|
2070
CALL
CarMax
KMX
$8.5B
| $25.4M | ﹤0.01% |
656,600
+357,500
| +120% | +$14.3M |
|
2071
PUT
Dominion Energy
D
$60.5B
| $25.4M | ﹤0.01% |
432,900
+113,000
| +35% | +$6.81M |
|
2072
PUT
NetApp
NTAP
$40.6B
| $25.4M | ﹤0.01% |
236,800
+139,500
| +143% | +$15.9M |
|
2073
PUT
Intercontinental Exchange
ICE
$86.9B
| $25.3M | ﹤0.01% |
156,500
+77,200
| +97% | +$12.1M |
|
2074
Unity
U
$20.4B
| $25.3M | ﹤0.01% |
573,476
+56,114
| +11% | +$2.29M |
|
2075
CF Industries
CF
$17.9B
| $25.3M | ﹤0.01% |
327,158
-19,180
| -6% | -$1.58M |
|
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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.