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 | |
|---|---|---|---|---|---|---|
5426
CALL
Amcor
AMCR
$20.7B
| $2.57M | ﹤0.01% |
61,560
+14,365
| +30% | +$593K |
|
|
MULL
5427
PUT
GraniteShares 2x Long MU Daily ETF
MULL
$664M
| $2.57M | ﹤0.01% |
715,000
+575,000
| +411% | +$1.46M |
|
5428
CALL
NNN REIT
NNN
$8.81B
| $2.56M | ﹤0.01% |
64,700
+17,900
| +38% | +$734K |
|
5429
CALL
WisdomTree
WT
$3.47B
| $2.56M | ﹤0.01% |
210,100
+186,500
| +790% | +$2.25M |
|
5430
TAL Education Group
TAL
$6.5B
| $2.56M | ﹤0.01% |
234,657
-195,589
| -45% | -$2.22M |
|
5431
PUT
YieldMax Ultra Option Income Strategy ETF
ULTY
$771M
| $2.56M | ﹤0.01% |
68,540
-14,660
| -18% | -$660K |
|
5432
Sarepta Therapeutics
SRPT
$1.9B
| $2.56M | ﹤0.01% |
118,733
-393,744
| -77% | -$8.3M |
|
5433
Skywest
SKYW
$4.13B
| $2.55M | ﹤0.01% |
25,436
-21,517
| -46% | -$2.15M |
|
5434
Commercial Metals
CMC
$7.92B
| $2.55M | ﹤0.01% |
36,878
-1,307,826
| -97% | -$81.9M |
|
5435
Algoma Steel
ASTL
$428M
| $2.55M | ﹤0.01% |
622,404
+38,044
| +7% | +$152K |
|
5436
PUT
The GEO Group
GEO
$4.15B
| $2.55M | ﹤0.01% |
158,300
-285,700
| -64% | -$4.76M |
|
5437
PUT
ProShares Ultra Bloomberg Crude Oil
UCO
$419M
| $2.55M | ﹤0.01% |
132,000
-42,000
| -24% | -$861K |
|
5438
iShares Global Comm Services ETF
IXP
$502M
| $2.55M | ﹤0.01% |
21,032
+695
| +3% | +$84.9K |
|
5439
Inhibikase Therapeutics
IKT
$335M
| $2.55M | ﹤0.01% |
1,243,630
+1,171,960
| +1,635% | +$1.86M |
|
5440
Badger Meter
BMI
$3.72B
| $2.55M | ﹤0.01% |
14,607
-5,983
| -29% | -$1.08M |
|
5441
CALL
Celanese
CE
$4.84B
| $2.55M | ﹤0.01% |
60,200
-25,000
| -29% | -$1.02M |
|
5442
PUT
Critical Metals Corp
CRML
$952M
| $2.54M | ﹤0.01% |
366,700
+311,000
| +558% | +$3.39M |
|
|
BLD
5443
CALL
DELISTED
TopBuild
BLD
| $2.54M | ﹤0.01% |
6,100
+2,400
| +65% | +$1.03M |
|
5444
Hannon Armstrong Sustainable Infrastructure Capital
HASI
$5.41B
| $2.54M | ﹤0.01% |
80,961
+70,157
| +649% | +$2.21M |
|
5445
PUT
Solventum
SOLV
$14.8B
| $2.54M | ﹤0.01% |
32,100
-40,825
| -56% | -$3.13M |
|
5446
Central Garden & Pet Co
CENT
$2.71B
| $2.54M | ﹤0.01% |
79,091
-77,505
| -49% | -$2.47M |
|
5447
Fidelity Metaverse ETF
FMET
$47M
| $2.54M | ﹤0.01% |
70,428
+30,002
| +74% | +$1.11M |
|
5448
CALL
Extra Space Storage
EXR
$31B
| $2.54M | ﹤0.01% |
19,500
-29,700
| -60% | -$4.05M |
|
5449
Banco Macro
BMA
$5.09B
| $2.54M | ﹤0.01% |
+28,151
| New | +$2.13M |
|
5450
Telefônica Brasil
VIV
$18.4B
| $2.54M | ﹤0.01% |
213,990
-41,949
| -16% | -$521K |
|
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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.