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 | |
|---|---|---|---|---|---|---|
5301
CALL
Sanofi
SNY
$105B
| $2.74M | ﹤0.01% |
56,500
-545,700
| -91% | -$27.1M |
|
5302
PUT
Delek US
DK
$4.01B
| $2.74M | ﹤0.01% |
92,300
-91,100
| -50% | -$3.25M |
|
|
ONC
5303
CALL
BeOne Medicines Ltd
ONC
$39.3B
| $2.73M | ﹤0.01% |
9,000
+2,300
| +34% | +$753K |
|
5304
Cabot Corp
CBT
$4.54B
| $2.73M | ﹤0.01% |
41,246
+10,614
| +35% | +$707K |
|
5305
Central Garden & Pet Co Class A
CENTA
$2.37B
| $2.73M | ﹤0.01% |
93,614
-142,858
| -60% | -$4.13M |
|
5306
Coca-Cola Femsa
KOF
$22.9B
| $2.73M | ﹤0.01% |
28,832
+15,472
| +116% | +$1.37M |
|
5307
PUT
EastGroup Properties
EGP
$10.9B
| $2.73M | ﹤0.01% |
+15,300
| New | +$2.72M |
|
5308
Panagram BBB-B CLO ETF
CLOZ
$806M
| $2.73M | ﹤0.01% |
102,908
+31,947
| +45% | +$850K |
|
5309
Heron Therapeutics
HRTX
$63.9M
| $2.72M | ﹤0.01% |
2,095,045
-613,412
| -23% | -$757K |
|
|
OXLC
5310
Oxford Lane Capital
OXLC
$938M
| $2.72M | ﹤0.01% |
185,832
+158,360
| +576% | +$2.37M |
|
|
AMRZ
5311
CALL
Amrize Ltd
AMRZ
$25.5B
| $2.72M | ﹤0.01% |
50,300
+35,900
| +249% | +$1.83M |
|
5312
CALL
Evolv Technologies
EVLV
$1.05B
| $2.72M | ﹤0.01% |
379,400
+185,900
| +96% | +$1.32M |
|
|
FWDI
5313
Forward Industries Inc
FWDI
$315M
| $2.72M | ﹤0.01% |
410,784
-670,297
| -62% | -$8.6M |
|
5314
N-able
NABL
$650M
| $2.71M | ﹤0.01% |
362,945
-48,861
| -12% | -$373K |
|
5315
Fidelity Cloud Computing ETF
FCLD
$129M
| $2.71M | ﹤0.01% |
+91,283
| New | +$2.73M |
|
5316
Fidelity Enhanced Mid Cap Core ETF
FMDE
$8.41B
| $2.71M | ﹤0.01% |
+74,546
| New | +$2.68M |
|
5317
CALL
Warby Parker
WRBY
$3.2B
| $2.71M | ﹤0.01% |
124,400
+107,800
| +649% | +$2.35M |
|
5318
OrthoPediatrics
KIDS
$648M
| $2.71M | ﹤0.01% |
152,611
+141,386
| +1,260% | +$2.48M |
|
5319
PUT
Hubbell
HUBB
$27B
| $2.71M | ﹤0.01% |
6,100
+3,600
| +144% | +$1.58M |
|
5320
CALL
Logitech
LOGI
$14.8B
| $2.71M | ﹤0.01% |
27,000
+3,600
| +15% | +$405K |
|
5321
CALL
Mattel
MAT
$4.29B
| $2.7M | ﹤0.01% |
136,300
+59,300
| +77% | +$1.15M |
|
5322
State Street SPDR MSCI ACWI ex-US ETF
CWI
$2.87B
| $2.7M | ﹤0.01% |
75,283
-17,462
| -19% | -$618K |
|
5323
PUT
Brookfield Asset Management
BAM
$86.7B
| $2.7M | ﹤0.01% |
51,600
-48,800
| -49% | -$2.62M |
|
5324
Matador Resources
MTDR
$6.64B
| $2.7M | ﹤0.01% |
63,649
+36,661
| +136% | +$1.54M |
|
5325
ProShares Ultra S&P500
SSO
$8.56B
| $2.7M | ﹤0.01% |
+46,600
| New | +$2.67M |
|
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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.