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 | |
|---|---|---|---|---|---|---|
4126
CALL
Allegiant Air
ALGT
$2.34B
| $5.45M | ﹤0.01% |
63,900
-59,900
| -48% | -$4.28M |
|
4127
CALL
Finance of America Companies
FOA
$201M
| $5.45M | ﹤0.01% |
225,000
+192,200
| +586% | +$4.38M |
|
4128
Banco Santander
SAN
$210B
| $5.45M | ﹤0.01% |
464,292
+156,511
| +51% | +$1.66M |
|
|
OPTU
4129
Optimum Communications Inc
OPTU
$251M
| $5.44M | ﹤0.01% |
3,298,726
+1,300,222
| +65% | +$2.65M |
|
4130
PUT
Ameriprise Financial
AMP
$50.3B
| $5.44M | ﹤0.01% |
11,100
-9,300
| -46% | -$4.41M |
|
4131
CALL
-1x Short VIX Futures ETF
SVIX
$173M
| $5.44M | ﹤0.01% |
224,600
+56,100
| +33% | +$1.15M |
|
4132
CALL
State Street SPDR Portfolio S&P 500 Growth ETF
SPYG
$55.3B
| $5.44M | ﹤0.01% |
51,000
-19,900
| -28% | -$2.11M |
|
4133
Babcock & Wilcox
BW
$1.53B
| $5.44M | ﹤0.01% |
857,507
+639,712
| +294% | +$3.16M |
|
4134
HSBC
HSBC
$356B
| $5.43M | ﹤0.01% |
69,059
+25,062
| +57% | +$1.79M |
|
4135
PUT
IAMGOLD
IAG
$10.4B
| $5.43M | ﹤0.01% |
329,400
-4,000
| -1% | -$56.4K |
|
4136
CALL
Equifax
EFX
$21.2B
| $5.42M | ﹤0.01% |
25,000
-11,000
| -31% | -$2.41M |
|
4137
iRadimed
IRMD
$1.11B
| $5.42M | ﹤0.01% |
55,758
+22,031
| +65% | +$1.89M |
|
|
KRMN
4138
Karman Holdings
KRMN
$8.22B
| $5.42M | ﹤0.01% |
74,091
-95,223
| -56% | -$6.9M |
|
|
ARR
4139
CALL
Armour Residential REIT
ARR
$2.37B
| $5.41M | ﹤0.01% |
305,980
+14,600
| +5% | +$242K |
|
4140
First Trust Smith Opportunistic Fixed Income ETF
FIXD
$3.24B
| $5.41M | ﹤0.01% |
122,070
-154,688
| -56% | -$6.89M |
|
4141
PUT
Church & Dwight Co
CHD
$24B
| $5.41M | ﹤0.01% |
64,500
+45,100
| +232% | +$3.85M |
|
|
PXED
4142
Phoenix Education Partners
PXED
$980M
| $5.41M | ﹤0.01% |
+178,433
| New | +$5.98M |
|
4143
CALL
Sportradar
SRAD
$4.09B
| $5.4M | ﹤0.01% |
227,200
-24,300
| -10% | -$584K |
|
4144
American States Water
AWR
$3.53B
| $5.4M | ﹤0.01% |
74,435
+3,204
| +4% | +$236K |
|
4145
CALL
Verisk Analytics
VRSK
$23.6B
| $5.39M | ﹤0.01% |
24,100
+11,800
| +96% | +$2.66M |
|
4146
CALL
Teladoc Health
TDOC
$1.24B
| $5.39M | ﹤0.01% |
769,400
-85,100
| -10% | -$666K |
|
|
FSUN
4147
FirstSun Capital Bancorp
FSUN
$1.81B
| $5.38M | ﹤0.01% |
142,998
+93,577
| +189% | +$3.41M |
|
4148
CALL
Golar LNG
GLNG
$5.36B
| $5.38M | ﹤0.01% |
144,600
-98,300
| -40% | -$3.76M |
|
|
AVNS
4149
DELISTED
Avanos Medical
AVNS
| $5.37M | ﹤0.01% |
478,620
-95,484
| -17% | -$1.09M |
|
4150
State Street Consumer Discretionary Select Sector SPDR ETF
XLY
$23.5B
| $5.37M | ﹤0.01% |
+45,000
| New | +$5.34M |
|
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.