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 | |
|---|---|---|---|---|---|---|
|
PLG
11126
PUT
Platinum Group Metals
PLG
$189M
| $173K | ﹤0.01% |
73,100
+56,100
| +330% | +$135K |
|
11127
PUT
GoPro
GPRO
$110M
| $172K | ﹤0.01% |
122,300
-137,000
| -53% | -$249K |
|
11128
Ceragon Networks
CRNT
$200M
| $172K | ﹤0.01% |
82,083
-449,658
| -85% | -$1M |
|
11129
PUT
YieldMax GOOGL Option Income Strategy ETF
GOOY
$231M
| $172K | ﹤0.01% |
11,800
-9,600
| -45% | -$139K |
|
|
TLX
11130
Telix Pharmaceuticals
TLX
$4B
| $172K | ﹤0.01% |
+22,998
| New | +$221K |
|
|
SOLZ
11131
Solana ETF
SOLZ
$86.9M
| $172K | ﹤0.01% |
+13,492
| New | +$226K |
|
11132
Noodles & Co
NDLS
$107M
| $172K | ﹤0.01% |
+30,377
| New | +$173K |
|
11133
PUT
CareCloud
CCLD
$110M
| $171K | ﹤0.01% |
+58,700
| New | +$186K |
|
11134
PUT
10x Genomics
TXG
$7.31B
| $171K | ﹤0.01% |
10,500
-33,500
| -76% | -$506K |
|
|
CMMB
11135
Chemomab Therapeutics
CMMB
$14M
| $171K | ﹤0.01% |
+103,781
| New | +$275K |
|
11136
RAVE Restaurant Group
RAVE
$43.2M
| $171K | ﹤0.01% |
51,862
+26,712
| +106% | +$77.3K |
|
|
SJT
11137
CALL
San Juan Basin Royalty Trust
SJT
$131M
| $171K | ﹤0.01% |
30,400
-158,400
| -84% | -$917K |
|
11138
Teucrium Sugar Fund
CANE
$53.5M
| $171K | ﹤0.01% |
17,500
+2,615
| +18% | +$25.3K |
|
|
NOTE
11139
DELISTED
FiscalNote
NOTE
| $170K | ﹤0.01% |
+115,934
| New | +$352K |
|
|
KIO
11140
KKR Income Opportunities Fund
KIO
$456M
| $170K | ﹤0.01% |
+14,703
| New | +$174K |
|
|
WDH
11141
Waterdrop
WDH
$359M
| $170K | ﹤0.01% |
+89,675
| New | +$160K |
|
11142
PUT
Spero Therapeutics
SPRO
$71.6M
| $170K | ﹤0.01% |
73,100
+18,300
| +33% | +$42.5K |
|
11143
PUT
Crexendo
CXDO
$221M
| $170K | ﹤0.01% |
26,300
-6,100
| -19% | -$39.9K |
|
11144
CALL
Black Stone Minerals
BSM
$3.05B
| $170K | ﹤0.01% |
12,800
-17,000
| -57% | -$230K |
|
11145
Nuveen New York Municipal Value Fund
NNY
$157M
| $170K | ﹤0.01% |
19,805
+7,880
| +66% | +$66.6K |
|
11146
CALL
Relmada Therapeutics
RLMD
$512M
| $170K | ﹤0.01% |
35,100
+16,800
| +92% | +$56.3K |
|
|
LX
11147
PUT
LexinFintech Holdings
LX
$224M
| $169K | ﹤0.01% |
51,600
+8,600
| +20% | +$35.3K |
|
11148
CALL
Regenxbio
RGNX
$711M
| $168K | ﹤0.01% |
11,700
-5,000
| -30% | -$62.3K |
|
11149
CALL
Gray Television
GTN
$538M
| $168K | ﹤0.01% |
34,800
-332,900
| -91% | -$1.63M |
|
11150
PUT
Horizon Technology Finance
HRZN
$336M
| $168K | ﹤0.01% |
26,100
+3,100
| +13% | +$19.8K |
|
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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.