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 |
iShares Core S&P 500 ETF
IVV
|
+$2.72B |
| 2 |
Meta Platforms (Facebook)
META
|
+$660M |
| 3 |
Micron Technology
MU
|
+$605M |
| 4 |
Mastercard
MA
|
+$497M |
| 5 |
Tesla
TSLA
|
+$495M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Amazon
AMZN
|
+$1.33B |
| 2 |
Visa
V
|
+$1.26B |
| 3 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$1.23B |
| 4 |
Lam Research
LRCX
|
+$699M |
| 5 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$681M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 4.49% |
| 2 | Healthcare | 2.99% |
| 3 | Financials | 2.85% |
| 4 | Industrials | 2.56% |
| 5 | Consumer Discretionary | 2.23% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
4851
Colliers International
CIGI
$5.15B
| $3.63M | ﹤0.01% |
33,948
+10,641
| +46% | +$1.33M |
|
4852
Central Pacific Financial
CPF
$1B
| $3.63M | ﹤0.01% |
+113,528
| New | +$3.66M |
|
4853
CALL
Everest Group
EG
$13.9B
| $3.63M | ﹤0.01% |
11,100
+7,800
| +236% | +$2.57M |
|
4854
First Trust Eurozone AlphaDEX
FEUZ
$134M
| $3.63M | ﹤0.01% |
+58,257
| New | +$3.73M |
|
4855
PUT
iShares Russell 1000 Growth ETF
IWF
$129B
| $3.62M | ﹤0.01% |
34,000
-390,800
| -92% | -$44.4M |
|
4856
Intercorp Financial Services
IFS
$6.06B
| $3.62M | ﹤0.01% |
72,158
+44,926
| +165% | +$2.13M |
|
|
NUAI
4857
PUT
New Era Energy & Digital Inc
NUAI
$506M
| $3.62M | ﹤0.01% |
892,200
+401,300
| +82% | +$2.01M |
|
4858
Janus Henderson Mortgage-Backed Securities ETF
JMBS
$6.77B
| $3.62M | ﹤0.01% |
+80,149
| New | +$3.67M |
|
4859
CALL
Teucrium Corn Fund
CORN
$167M
| $3.62M | ﹤0.01% |
196,800
+175,500
| +824% | +$3.13M |
|
4860
CALL
NEOS S&P 500 High Income ETF
SPYI
$11.4B
| $3.62M | ﹤0.01% |
73,300
+34,100
| +87% | +$1.77M |
|
4861
PIMCO Intermediate Municipal Bond Active Exchange-Traded Fund
MUNI
$3.12B
| $3.62M | ﹤0.01% |
69,325
-53,018
| -43% | -$2.8M |
|
4862
PUT
TMC The Metals Company
TMC
$1.91B
| $3.62M | ﹤0.01% |
774,700
-71,600
| -8% | -$461K |
|
4863
CALL
Boston Beer
SAM
$1.89B
| $3.62M | ﹤0.01% |
15,700
-5,600
| -26% | -$1.26M |
|
4864
CALL
Mercury Systems
MRCY
$6.7B
| $3.62M | ﹤0.01% |
49,600
+4,600
| +10% | +$401K |
|
4865
PUT
Direxion Daily Aerospace & Defense Bull 3X ETF
DFEN
$424M
| $3.62M | ﹤0.01% |
57,300
+35,800
| +167% | +$2.88M |
|
4866
National Bank Holdings
NBHC
$1.94B
| $3.62M | ﹤0.01% |
92,325
-74,251
| -45% | -$2.98M |
|
4867
Hartford Core Bond ETF
HCRB
$407M
| $3.62M | ﹤0.01% |
103,142
+76,568
| +288% | +$2.72M |
|
4868
CALL
Kennametal
KMT
$2.35B
| $3.61M | ﹤0.01% |
99,900
+75,200
| +304% | +$2.74M |
|
4869
PUT
Portillo's
PTLO
$365M
| $3.61M | ﹤0.01% |
682,200
+157,600
| +30% | +$857K |
|
4870
CALL
Rush Street Interactive
RSI
$2.85B
| $3.6M | ﹤0.01% |
165,700
+104,000
| +169% | +$1.99M |
|
4871
CALL
ProShares Ultra Dow30
DDM
$544M
| $3.6M | ﹤0.01% |
69,200
+44,300
| +178% | +$2.54M |
|
4872
Cathay General Bancorp
CATY
$4.31B
| $3.6M | ﹤0.01% |
72,180
-146,146
| -67% | -$7.38M |
|
4873
CALL
CVR Partners
UAN
$1.26B
| $3.6M | ﹤0.01% |
28,400
+13,100
| +86% | +$1.5M |
|
4874
CALL
Snap-on
SNA
$21.1B
| $3.6M | ﹤0.01% |
9,900
+2,400
| +32% | +$889K |
|
4875
CALL
Silicon Motion
SIMO
$8.45B
| $3.59M | ﹤0.01% |
32,000
-700
| -2% | -$85K |
|
Similar funds
Ken Griffin's Q1 2026 Portfolio in Review
As of Q1 2026, Ken Griffin held 14,860 positions worth $618B, down 7.1% from $666B the previous quarter. Its ten largest holdings account for 22% of the portfolio.
Ken Griffin withdrew a net $19.5B in Q1 2026, closing 2,003 positions and reducing 5,286 holdings. Its most notable exit was CyberArk, an estimated $305M position sold in full.
By sector, the portfolio is most concentrated in Technology at 4.5% of assets, down from 4.9% a quarter earlier, followed by Healthcare and Financials.
Against the trend, Ken Griffin opened a new position in iShares 7-10 Year Treasury Bond ETF worth $327M.
- Ken Griffin's largest Q1 2026 buy was iShares 7-10 Year Treasury Bond ETF: 3,431,225 shares worth $327M.
- Ken Griffin added most to iShares Core S&P 500 ETF in Q1 2026, an estimated $2.72B increase.
- Ken Griffin's biggest Q1 2026 reduction was Amazon, cutting an estimated $1.33B.
- Ken Griffin fully exited CyberArk in Q1 2026, selling an estimated $305M.
- Ken Griffin's ten largest holdings make up 22% of its $618B portfolio in Q1 2026.
- Ken Griffin opened 2,347 new positions and closed 2,003 in Q1 2026.
- Ken Griffin's portfolio value fell 7.1% quarter-over-quarter to $618B.
Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.