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 | |
|---|---|---|---|---|---|---|
6526
Evolent Health
EVH
$464M
| $1.61M | ﹤0.01% |
705,222
-1,149,795
| -62% | -$3.65M |
|
6527
Cosan
CSAN
$2.54B
| $1.61M | ﹤0.01% |
+390,158
| New | +$1.71M |
|
6528
CALL
Universal Corp
UVV
$1.15B
| $1.61M | ﹤0.01% |
30,500
+7,600
| +33% | +$409K |
|
6529
State Street SPDR MSCI ACWI Climate Paris Aligned ETF
NZAC
$198M
| $1.61M | ﹤0.01% |
+39,545
| New | +$1.68M |
|
6530
PUT
Eversource Energy
ES
$26.8B
| $1.61M | ﹤0.01% |
23,200
-23,000
| -50% | -$1.63M |
|
|
TMAR
6531
FT Vest Emerging Markets Buffer ETF - March
TMAR
$16.9M
| $1.6M | ﹤0.01% |
+68,077
| New | +$1.58M |
|
6532
PUT
Genesis Energy
GEL
$1.89B
| $1.6M | ﹤0.01% |
90,000
-40,300
| -31% | -$698K |
|
6533
PUT
StepStone Group
STEP
$4.07B
| $1.6M | ﹤0.01% |
33,600
+28,700
| +586% | +$1.66M |
|
6534
CALL
Benchmark Electronics
BHE
$2.92B
| $1.6M | ﹤0.01% |
28,600
+13,100
| +85% | +$705K |
|
|
JHG
6535
CALL
DELISTED
Janus Henderson
JHG
| $1.6M | ﹤0.01% |
+31,200
| New | +$1.54M |
|
6536
CALL
Vornado Realty Trust
VNO
$7.24B
| $1.6M | ﹤0.01% |
61,500
-29,100
| -32% | -$862K |
|
6537
PUT
Gold Royalty Corp
GROY
$713M
| $1.6M | ﹤0.01% |
446,400
+76,900
| +21% | +$328K |
|
|
LB
6538
PUT
LandBridge Co
LB
$2.34B
| $1.6M | ﹤0.01% |
23,100
-19,100
| -45% | -$1.21M |
|
6539
PUT
Cooper Companies
COO
$15B
| $1.59M | ﹤0.01% |
22,300
-15,600
| -41% | -$1.23M |
|
6540
CALL
Arrow Electronics
ARW
$10.5B
| $1.59M | ﹤0.01% |
11,100
+6,200
| +127% | +$850K |
|
|
DYNB
6541
Hartford Dynamic Bond ETF
DYNB
$62.3M
| $1.59M | ﹤0.01% |
40,626
+16,065
| +65% | +$638K |
|
6542
PUT
Ambarella
AMBA
$3.64B
| $1.59M | ﹤0.01% |
30,900
-16,200
| -34% | -$1.01M |
|
|
VGMS
6543
Vanguard Multi-Sector Income Bond ETF
VGMS
$250M
| $1.59M | ﹤0.01% |
31,185
+22,989
| +280% | +$1.18M |
|
6544
Great Southern Bancorp
GSBC
$875M
| $1.59M | ﹤0.01% |
25,184
+21,718
| +627% | +$1.36M |
|
6545
iShares MSCI Belgium ETF
EWK
$163M
| $1.59M | ﹤0.01% |
+65,381
| New | +$1.67M |
|
6546
PUT
OppFi
OPFI
$562M
| $1.59M | ﹤0.01% |
206,100
-5,600
| -3% | -$51.3K |
|
6547
GameStop
GME
$8.44B
| $1.59M | ﹤0.01% |
68,959
-226,349
| -77% | -$5.25M |
|
|
HAPN
6548
PUT
Happen Inc
HAPN
$2.22B
| $1.59M | ﹤0.01% |
110,900
-109,300
| -50% | -$1.83M |
|
|
SHEH
6549
Shell PLC ADRhedged
SHEH
$6.5M
| $1.59M | ﹤0.01% |
23,319
+6,826
| +41% | +$401K |
|
6550
Main Street Capital
MAIN
$5.52B
| $1.59M | ﹤0.01% |
29,942
-6,926
| -19% | -$410K |
|
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.