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 | |
|---|---|---|---|---|---|---|
2101
Waste Management
WM
$89.9B
| $23.7M | ﹤0.01% |
102,938
-426,421
| -81% | -$98M |
|
2102
VeriSign
VRSN
$25.8B
| $23.6M | ﹤0.01% |
95,182
+27,034
| +40% | +$6.43M |
|
2103
CALL
United States Natural Gas Fund
UNG
$488M
| $23.6M | ﹤0.01% |
2,013,200
-102,375
| -5% | -$1.26M |
|
2104
PUT
Roku
ROKU
$23.4B
| $23.6M | ﹤0.01% |
249,500
-960,100
| -79% | -$93.5M |
|
|
AL
2105
DELISTED
Air Lease Corp
AL
| $23.6M | ﹤0.01% |
363,462
-49,566
| -12% | -$3.2M |
|
2106
RB Global
RBA
$15.6B
| $23.6M | ﹤0.01% |
245,992
+190,223
| +341% | +$20.2M |
|
2107
PUT
Franco-Nevada
FNV
$45.3B
| $23.5M | ﹤0.01% |
95,300
-80,900
| -46% | -$20M |
|
2108
PUT
Intuitive Machines
LUNR
$3.04B
| $23.5M | ﹤0.01% |
1,267,400
+612,500
| +94% | +$11.3M |
|
|
INFQ
2109
Infleqtion Inc
INFQ
$2.8B
| $23.5M | ﹤0.01% |
+2,392,625
| New | +$27.2M |
|
|
SPYM
2110
PUT
State Street SPDR Portfolio S&P 500 ETF
SPYM
$169B
| $23.4M | ﹤0.01% |
306,200
+62,700
| +26% | +$5.02M |
|
|
STUB
2111
StubHub Holdings
STUB
$2.96B
| $23.4M | ﹤0.01% |
3,754,847
+3,173,103
| +545% | +$33M |
|
2112
PUT
STMicroelectronics
STM
$48.3B
| $23.4M | ﹤0.01% |
677,200
-101,900
| -13% | -$3.19M |
|
|
ETOR
2113
CALL
eToro Group
ETOR
$2.25B
| $23.4M | ﹤0.01% |
779,100
+402,900
| +107% | +$12.3M |
|
2114
PUT
monday.com
MNDY
$3.73B
| $23.4M | ﹤0.01% |
338,200
-17,700
| -5% | -$1.7M |
|
2115
KBR
KBR
$4.85B
| $23.4M | ﹤0.01% |
633,681
+270,682
| +75% | +$11.1M |
|
2116
PIMCO Multi Sector Bond Active ETF
PYLD
$15.2B
| $23.4M | ﹤0.01% |
891,493
+488,090
| +121% | +$13M |
|
2117
iShares MSCI Taiwan ETF
EWT
$11.5B
| $23.3M | ﹤0.01% |
328,798
+289,047
| +727% | +$20.3M |
|
2118
PUT
ProShares Short S&P500
SH
$841M
| $23.3M | ﹤0.01% |
614,400
-134,400
| -18% | -$4.89M |
|
2119
PUT
Williams Companies
WMB
$91.7B
| $23.3M | ﹤0.01% |
320,200
+142,700
| +80% | +$9.88M |
|
2120
Transocean
RIG
$6.5B
| $23.3M | ﹤0.01% |
3,514,711
-3,490,818
| -50% | -$19.7M |
|
2121
InterContinental Hotels
IHG
$23.6B
| $23.3M | ﹤0.01% |
174,454
+80,088
| +85% | +$11M |
|
|
CCC
2122
CCC Intelligent Solutions
CCC
$4.12B
| $23.3M | ﹤0.01% |
3,876,683
-903,460
| -19% | -$5.92M |
|
2123
CALL
Intercontinental Exchange
ICE
$86.6B
| $23.2M | ﹤0.01% |
147,800
-16,500
| -10% | -$2.69M |
|
2124
CALL
Samsara
IOT
$23.4B
| $23.2M | ﹤0.01% |
733,000
+324,200
| +79% | +$9.9M |
|
2125
CALL
Roper Technologies
ROP
$39.5B
| $23.2M | ﹤0.01% |
65,600
+48,200
| +277% | +$17.8M |
|
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.