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 | |
|---|---|---|---|---|---|---|
8026
Innovator US Equity Power Buffer ETF April
PAPR
$960M
| $746K | ﹤0.01% |
19,078
-17,225
| -47% | -$666K |
|
8027
PUT
Petco
WOOF
$805M
| $746K | ﹤0.01% |
265,500
-7,400
| -3% | -$24K |
|
8028
CALL
Vericel Corp
VCEL
$2.23B
| $745K | ﹤0.01% |
20,700
-7,900
| -28% | -$290K |
|
8029
PUT
Delek Logistics
DKL
$2.87B
| $745K | ﹤0.01% |
16,700
-30,100
| -64% | -$1.35M |
|
8030
CALL
iShares US Transportation ETF
IYT
$2.28B
| $745K | ﹤0.01% |
10,000
-20,600
| -67% | -$1.5M |
|
8031
CALL
Flywire
FLYW
$2.29B
| $745K | ﹤0.01% |
52,600
+25,500
| +94% | +$349K |
|
|
IBTP
8032
iShares iBonds Dec 2034 Term Treasury ETF
IBTP
$290M
| $744K | ﹤0.01% |
28,823
-1,498
| -5% | -$38.9K |
|
8033
Perspective Therapeutics
CATX
$365M
| $744K | ﹤0.01% |
270,491
+109,830
| +68% | +$313K |
|
8034
PUT
Encompass Health
EHC
$12.2B
| $743K | ﹤0.01% |
7,000
-900
| -11% | -$104K |
|
8035
CALL
Amplify Energy
AMPY
$200M
| $743K | ﹤0.01% |
162,500
+33,800
| +26% | +$168K |
|
|
BNT
8036
Brookfield Wealth Solutions
BNT
$13B
| $742K | ﹤0.01% |
16,149
+11,589
| +254% | +$528K |
|
8037
CALL
Invesco PHLX Semiconductor ETF
SOXQ
$3.03B
| $742K | ﹤0.01% |
13,300
+1,200
| +10% | +$65.7K |
|
8038
CALL
Clearway Energy Class C
CWEN
$7.01B
| $742K | ﹤0.01% |
22,300
+9,700
| +77% | +$323K |
|
8039
CALL
Sylvamo
SLVM
$1.53B
| $742K | ﹤0.01% |
15,400
-200
| -1% | -$9.1K |
|
8040
CALL
Corporacion America
CAAP
$6.33B
| $741K | ﹤0.01% |
28,500
+7,700
| +37% | +$172K |
|
8041
PUT
Innovative Solutions & Support
ISSC
$412M
| $741K | ﹤0.01% |
39,100
+7,200
| +23% | +$82K |
|
8042
CALL
Arcturus Therapeutics
ARCT
$231M
| $740K | ﹤0.01% |
120,700
+98,500
| +444% | +$1.06M |
|
|
JFIN
8043
Jiayin Group
JFIN
$116M
| $739K | ﹤0.01% |
127,499
+92,617
| +266% | +$780K |
|
8044
First Trust Municipal High Income ETF
FMHI
$1B
| $739K | ﹤0.01% |
15,423
+9,204
| +148% | +$441K |
|
8045
CALL
Ingredion
INGR
$6.63B
| $739K | ﹤0.01% |
6,700
-4,300
| -39% | -$485K |
|
8046
Radcom
RDCM
$176M
| $738K | ﹤0.01% |
+56,453
| New | +$755K |
|
|
YSG
8047
Yatsen Holding
YSG
$319M
| $738K | ﹤0.01% |
189,820
+87,871
| +86% | +$558K |
|
|
JOYY
8048
CALL
JOYY Inc
JOYY
$3.68B
| $738K | ﹤0.01% |
11,400
+2,000
| +21% | +$122K |
|
8049
Franklin US Treasury Bond ETF
FLGV
$1.03B
| $738K | ﹤0.01% |
35,976
-108,776
| -75% | -$2.25M |
|
8050
PUT
Arrow Electronics
ARW
$10.9B
| $738K | ﹤0.01% |
6,700
-2,000
| -23% | -$227K |
|
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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.