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 | |
|---|---|---|---|---|---|---|
5801
CALL
Lightpath Technologies
LPTH
$839M
| $2.25M | ﹤0.01% |
224,400
+48,400
| +28% | +$555K |
|
5802
Atlas Energy Solutions
AESI
$1.5B
| $2.25M | ﹤0.01% |
171,348
+23,171
| +16% | +$271K |
|
|
REMG
5803
Russell Investments Emerging Markets Equity ETF
REMG
$124M
| $2.25M | ﹤0.01% |
+72,924
| New | +$2.33M |
|
5804
Ituran Location and Control
ITRN
$1.06B
| $2.25M | ﹤0.01% |
45,830
+19,287
| +73% | +$908K |
|
5805
CALL
Choice Hotels
CHH
$4.68B
| $2.25M | ﹤0.01% |
21,700
+11,500
| +113% | +$1.2M |
|
5806
CALL
Vital Farms
VITL
$499M
| $2.25M | ﹤0.01% |
159,000
+98,500
| +163% | +$2.33M |
|
5807
PIMCO RAFI Dynamic Multi-Factor US Equity ETF
MFUS
$305M
| $2.24M | ﹤0.01% |
38,437
+8,941
| +30% | +$529K |
|
5808
CALL
Indivior Pharmaceuticals
INDV
$4.55B
| $2.24M | ﹤0.01% |
73,600
-34,200
| -32% | -$1.13M |
|
5809
iShares iBonds Dec 2030 Term Corporate ETF
IBDV
$3.31B
| $2.24M | ﹤0.01% |
+102,410
| New | +$2.26M |
|
5810
Schrodinger
SDGR
$1.39B
| $2.24M | ﹤0.01% |
197,247
+9,332
| +5% | +$129K |
|
5811
State Street SPDR Portfolio TIPS ETF
SPIP
$1.01B
| $2.24M | ﹤0.01% |
85,979
+54,088
| +170% | +$1.41M |
|
5812
CALL
NiSource
NI
$20.2B
| $2.24M | ﹤0.01% |
+47,900
| New | +$2.16M |
|
5813
First Trust Emerging Markets AlphaDEX Fund
FEM
$789M
| $2.23M | ﹤0.01% |
+74,584
| New | +$2.22M |
|
5814
VanEck CLO ETF
CLOI
$1.53B
| $2.23M | ﹤0.01% |
+42,391
| New | +$2.24M |
|
5815
Nomad Foods
NOMD
$1.65B
| $2.23M | ﹤0.01% |
232,395
-277,243
| -54% | -$3.18M |
|
5816
CEMIG Preferred Shares
CIG
$5.52B
| $2.23M | ﹤0.01% |
933,136
+683,714
| +274% | +$1.51M |
|
5817
Standex International
SXI
$4.03B
| $2.23M | ﹤0.01% |
+8,749
| New | +$2.2M |
|
5818
Inhibrx
INBX
$1.45B
| $2.23M | ﹤0.01% |
33,157
+6,257
| +23% | +$464K |
|
5819
CALL
Voya Financial
VOYA
$9.09B
| $2.23M | ﹤0.01% |
32,600
-28,000
| -46% | -$2.03M |
|
5820
CALL
Popular Inc
BPOP
$11.3B
| $2.23M | ﹤0.01% |
16,600
+11,300
| +213% | +$1.52M |
|
|
VOYG
5821
PUT
Voyager Technologies
VOYG
$2.65B
| $2.23M | ﹤0.01% |
95,200
+500
| +0.5% | +$14.4K |
|
5822
CALL
American Coastal Insurance
ACIC
$462M
| $2.23M | ﹤0.01% |
197,900
+185,400
| +1,483% | +$2.08M |
|
5823
PUT
iShares Preferred and Income Securities ETF
PFF
$13.3B
| $2.23M | ﹤0.01% |
73,400
+9,200
| +14% | +$288K |
|
5824
CALL
International Seaways
INSW
$4.72B
| $2.22M | ﹤0.01% |
30,500
+21,000
| +221% | +$1.34M |
|
5825
CALL
Agios Pharmaceuticals
AGIO
$2.02B
| $2.22M | ﹤0.01% |
65,700
+15,500
| +31% | +$439K |
|
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.