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 | |
|---|---|---|---|---|---|---|
|
BNY
2076
PUT
Bank of New York Mellon
BNY
$111B
| $24.2M | ﹤0.01% |
203,900
-124,000
| -38% | -$14.7M |
|
2077
CALL
Carpenter Technology
CRS
$26.9B
| $24.2M | ﹤0.01% |
61,300
-15,500
| -20% | -$5.65M |
|
2078
CALL
Intuitive Machines
LUNR
$3.04B
| $24.2M | ﹤0.01% |
1,301,200
-589,600
| -31% | -$10.9M |
|
2079
PUT
NuScale Power
SMR
$3.79B
| $24.1M | ﹤0.01% |
2,227,000
-2,241,000
| -50% | -$34.1M |
|
2080
CALL
Option Care Health
OPCH
$3.61B
| $24.1M | ﹤0.01% |
896,700
+874,100
| +3,868% | +$28.4M |
|
2081
L3Harris
LHX
$54.3B
| $24.1M | ﹤0.01% |
69,772
-55,681
| -44% | -$19.5M |
|
2082
RLI Corp
RLI
$5.84B
| $24M | ﹤0.01% |
421,601
-71,188
| -14% | -$4.27M |
|
2083
CALL
Hawaiian Electric Industries
HE
$2.05B
| $24M | ﹤0.01% |
1,620,400
+1,508,500
| +1,348% | +$22.8M |
|
2084
CALL
iShares MSCI Chile ETF
ECH
$1.04B
| $24M | ﹤0.01% |
604,200
+571,900
| +1,771% | +$24.4M |
|
2085
Simmons First National
SFNC
$3.47B
| $24M | ﹤0.01% |
1,234,479
+569,468
| +86% | +$11.4M |
|
2086
CALL
TransDigm Group
TDG
$69B
| $24M | ﹤0.01% |
20,700
-2,900
| -12% | -$3.8M |
|
2087
Vanguard Tax-Exempt Bond Index Fund
VTEB
$46B
| $24M | ﹤0.01% |
480,231
+437,290
| +1,018% | +$22.1M |
|
2088
Park Hotels & Resorts
PK
$3.04B
| $24M | ﹤0.01% |
2,275,136
+830,134
| +57% | +$9.17M |
|
2089
CALL
General Mills
GIS
$21B
| $23.9M | ﹤0.01% |
642,600
+300,500
| +88% | +$13M |
|
2090
CALL
Truist Financial
TFC
$64.9B
| $23.9M | ﹤0.01% |
520,100
-49,600
| -9% | -$2.45M |
|
2091
CALL
Allstate
ALL
$66B
| $23.9M | ﹤0.01% |
115,200
+8,500
| +8% | +$1.74M |
|
2092
Royal Gold
RGLD
$19.6B
| $23.9M | ﹤0.01% |
93,743
-355,696
| -79% | -$94.4M |
|
2093
PUT
Clorox
CLX
$12.8B
| $23.8M | ﹤0.01% |
230,000
-172,100
| -43% | -$19.5M |
|
2094
PUT
Peloton Interactive
PTON
$2.45B
| $23.8M | ﹤0.01% |
5,547,000
+89,100
| +2% | +$434K |
|
2095
PUT
Evercore
EVR
$11.8B
| $23.8M | ﹤0.01% |
79,700
+66,200
| +490% | +$21.7M |
|
2096
Rio Tinto
RIO
$156B
| $23.8M | ﹤0.01% |
254,948
-559,928
| -69% | -$51M |
|
|
CNTA
2097
DELISTED
Centessa Pharmaceuticals
CNTA
| $23.8M | ﹤0.01% |
598,197
+78,235
| +15% | +$2M |
|
2098
CALL
Align Technology
ALGN
$12.9B
| $23.7M | ﹤0.01% |
138,400
-90,900
| -40% | -$15.9M |
|
|
MRSH
2099
Marsh
MRSH
$89.7B
| $23.7M | ﹤0.01% |
136,487
-685,884
| -83% | -$123M |
|
2100
iShares MSCI EAFE Value ETF
EFV
$30.1B
| $23.7M | ﹤0.01% |
318,406
+219,466
| +222% | +$16.5M |
|
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.