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 | |
|---|---|---|---|---|---|---|
6776
CALL
Integer Holdings
ITGR
$4.25B
| $1.31M | ﹤0.01% |
16,700
+7,100
| +74% | +$566K |
|
6777
CALL
UroGen Pharma
URGN
$2.39B
| $1.31M | ﹤0.01% |
55,900
-29,900
| -35% | -$649K |
|
6778
Invesco ESG S&P 500 Equal Weight ETF
RSPE
$71.4M
| $1.31M | ﹤0.01% |
+43,934
| New | +$1.28M |
|
6779
CALL
Wyndham Hotels & Resorts
WH
$5.45B
| $1.31M | ﹤0.01% |
17,300
+4,000
| +30% | +$302K |
|
6780
CALL
Qfin Holdings
QFIN
$1.47B
| $1.31M | ﹤0.01% |
67,800
+43,100
| +174% | +$968K |
|
6781
PUT
MannKind Corp
MNKD
$1.3B
| $1.31M | ﹤0.01% |
230,400
+69,000
| +43% | +$380K |
|
6782
PUT
NewMarket
NEU
$8.66B
| $1.31M | ﹤0.01% |
1,900
-300
| -14% | -$229K |
|
6783
Invesco BulletShares 2026 High Yield Corporate Bond ETF
BSJQ
$833M
| $1.31M | ﹤0.01% |
55,940
-68,055
| -55% | -$1.59M |
|
6784
CALL
iShares MSCI Chile ETF
ECH
$1.03B
| $1.3M | ﹤0.01% |
32,300
+20,400
| +171% | +$740K |
|
|
CAFX
6785
Congress Intermediate Bond ETF
CAFX
$320M
| $1.3M | ﹤0.01% |
52,135
+11,119
| +27% | +$279K |
|
|
EBI
6786
The RBB Fund Trust Longview Advantage ETF
EBI
$696M
| $1.3M | ﹤0.01% |
+23,040
| New | +$1.28M |
|
6787
CALL
Corebridge Financial
CRBG
$14.8B
| $1.3M | ﹤0.01% |
43,200
-100
| -0.2% | -$3.08K |
|
6788
CALL
Kulicke & Soffa
KLIC
$4.78B
| $1.3M | ﹤0.01% |
28,600
+1,000
| +4% | +$42.3K |
|
6789
Mistras Group
MG
$572M
| $1.3M | ﹤0.01% |
102,897
-137,421
| -57% | -$1.55M |
|
6790
CALL
Denison Mines
DNN
$2.81B
| $1.3M | ﹤0.01% |
489,300
+36,100
| +8% | +$98.2K |
|
6791
WisdomTree Global ex-U.S. Quality Growth Fund
DNL
$496M
| $1.3M | ﹤0.01% |
+31,572
| New | +$1.29M |
|
|
ESPR
6792
CALL
DELISTED
Esperion Therapeutics
ESPR
| $1.3M | ﹤0.01% |
351,700
+266,100
| +311% | +$860K |
|
6793
CALL
OSI Systems
OSIS
$3.68B
| $1.3M | ﹤0.01% |
5,100
-5,700
| -53% | -$1.49M |
|
6794
Ovid Therapeutics
OVID
$553M
| $1.3M | ﹤0.01% |
797,824
+392,442
| +97% | +$604K |
|
6795
CALL
Schneider National
SNDR
$6.2B
| $1.3M | ﹤0.01% |
+49,000
| New | +$1.16M |
|
6796
PUT
Option Care Health
OPCH
$3.57B
| $1.3M | ﹤0.01% |
40,800
-7,100
| -15% | -$208K |
|
6797
CALL
CenterPoint Energy
CNP
$26.9B
| $1.3M | ﹤0.01% |
33,900
-38,300
| -53% | -$1.49M |
|
6798
US Treasury 10 Year Note ETF
UTEN
$287M
| $1.3M | ﹤0.01% |
29,494
+8,864
| +43% | +$393K |
|
|
ETHU
6799
2x Ether ETF
ETHU
$746M
| $1.3M | ﹤0.01% |
23,749
+4,332
| +22% | +$367K |
|
6800
Wolverine World Wide
WWW
$1.67B
| $1.3M | ﹤0.01% |
71,568
-38,166
| -35% | -$771K |
|
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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.