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 | |
|---|---|---|---|---|---|---|
2826
iShares Global Energy ETF
IXC
$2.77B
| $13.2M | ﹤0.01% |
229,506
-31,283
| -12% | -$1.56M |
|
2827
PUT
Harley-Davidson
HOG
$2.89B
| $13.2M | ﹤0.01% |
653,800
+123,800
| +23% | +$2.43M |
|
2828
CALL
Praxis Precision Medicines
PRAX
$10.2B
| $13.2M | ﹤0.01% |
40,900
-13,300
| -25% | -$4.11M |
|
2829
CALL
Ascendis Pharma A/S
ASND
$16.3B
| $13.2M | ﹤0.01% |
57,600
-3,100
| -5% | -$695K |
|
2830
CALL
PBF Energy
PBF
$8.52B
| $13.1M | ﹤0.01% |
276,100
-6,400
| -2% | -$240K |
|
|
GAP
2831
CALL
The Gap Inc
GAP
$7.42B
| $13.1M | ﹤0.01% |
542,900
-465,700
| -46% | -$12.3M |
|
2832
Eversource Energy
ES
$27.2B
| $13.1M | ﹤0.01% |
189,304
-1,600,729
| -89% | -$113M |
|
2833
SouthState Bank Corp
SSB
$10.8B
| $13.1M | ﹤0.01% |
141,733
+45,798
| +48% | +$4.49M |
|
2834
PUT
Jefferies Financial Group
JEF
$12.7B
| $13.1M | ﹤0.01% |
317,700
-173,900
| -35% | -$9.03M |
|
2835
SSR Mining
SSRM
$6.56B
| $13.1M | ﹤0.01% |
445,778
-571,521
| -56% | -$15.2M |
|
2836
Dover
DOV
$27.9B
| $13.1M | ﹤0.01% |
62,850
-254,266
| -80% | -$54.4M |
|
2837
iShares MSCI USA Momentum Factor ETF
MTUM
$26.2B
| $13.1M | ﹤0.01% |
54,548
+28,601
| +110% | +$7.19M |
|
2838
Atmus Filtration Technologies
ATMU
$4.16B
| $13.1M | ﹤0.01% |
230,465
+33,204
| +17% | +$1.96M |
|
|
PICS
2839
PicS N.V.
PICS
$1.48B
| $13.1M | ﹤0.01% |
+1,250,768
| New | +$18.3M |
|
2840
PUT
Ross Stores
ROST
$78.7B
| $13.1M | ﹤0.01% |
60,300
-170,100
| -74% | -$33.9M |
|
2841
Tecnoglass Holdings
TGLS
$1.86B
| $13.1M | ﹤0.01% |
+292,978
| New | +$14.1M |
|
2842
CALL
Navitas Semiconductor
NVTS
$3.77B
| $13M | ﹤0.01% |
1,485,700
-971,000
| -40% | -$8.94M |
|
2843
CALL
Weatherford International
WFRD
$6.79B
| $13M | ﹤0.01% |
137,700
+67,400
| +96% | +$6.34M |
|
2844
CALL
Vanguard Dividend Appreciation ETF
VIG
$114B
| $13M | ﹤0.01% |
60,500
-22,100
| -27% | -$4.93M |
|
2845
CALL
Molson Coors Class B
TAP
$7.97B
| $13M | ﹤0.01% |
301,900
+26,500
| +10% | +$1.26M |
|
2846
Ceco Environmental
CECO
$4.66B
| $13M | ﹤0.01% |
217,386
+152,324
| +234% | +$9.8M |
|
2847
PUT
Tidewater
TDW
$4.69B
| $13M | ﹤0.01% |
155,000
-234,700
| -60% | -$16.3M |
|
2848
AnaptysBio
ANAB
$1.73B
| $12.9M | ﹤0.01% |
233,450
+123,967
| +113% | +$6.67M |
|
|
SLNO
2849
DELISTED
Soleno Therapeutics
SLNO
| $12.9M | ﹤0.01% |
386,545
+77,715
| +25% | +$3.05M |
|
2850
Bit Digital
BTBT
$566M
| $12.9M | ﹤0.01% |
9,876,771
+4,831,311
| +96% | +$8.87M |
|
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.