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 | |
|---|---|---|---|---|---|---|
3826
Clearfield
CLFD
$393M
| $6.7M | ﹤0.01% |
252,936
+191,289
| +310% | +$5.83M |
|
3827
Cognex
CGNX
$11.3B
| $6.69M | ﹤0.01% |
136,609
-732,096
| -84% | -$34.2M |
|
3828
PUT
JetBlue
JBLU
$2B
| $6.69M | ﹤0.01% |
1,513,000
-1,241,500
| -45% | -$6.3M |
|
|
FAZ
3829
PUT
Direxion Daily Financial Bear 3x ETF
FAZ
$87.2M
| $6.68M | ﹤0.01% |
131,680
+67,200
| +104% | +$3.01M |
|
|
ETHE
3830
CALL
Grayscale Ethereum Staking ETF Shares
ETHE
$1.45B
| $6.68M | ﹤0.01% |
391,300
-317,100
| -45% | -$6.2M |
|
3831
CALL
Fidelity MSCI Information Technology Index ETF
FTEC
$21.6B
| $6.68M | ﹤0.01% |
32,100
+28,200
| +723% | +$6.19M |
|
3832
PUT
Annaly Capital Management
NLY
$17.6B
| $6.67M | ﹤0.01% |
315,500
-250,200
| -44% | -$5.7M |
|
3833
FirstCash
FCFS
$9.43B
| $6.66M | ﹤0.01% |
35,450
-49,648
| -58% | -$8.97M |
|
3834
GigaCloud Technology
GCT
$1.83B
| $6.66M | ﹤0.01% |
146,811
-320,761
| -69% | -$13M |
|
|
AVNS
3835
DELISTED
Avanos Medical
AVNS
| $6.66M | ﹤0.01% |
475,196
-3,424
| -0.7% | -$46.1K |
|
3836
CALL
New York Times
NYT
$10.5B
| $6.66M | ﹤0.01% |
79,500
+73,600
| +1,247% | +$5.57M |
|
3837
PPG Industries
PPG
$25.1B
| $6.65M | ﹤0.01% |
62,250
-234,394
| -79% | -$26.6M |
|
|
WCN
3838
PUT
Waste Connections
WCN
$41.4B
| $6.64M | ﹤0.01% |
40,900
+33,300
| +438% | +$5.55M |
|
3839
CMS Energy
CMS
$22.3B
| $6.64M | ﹤0.01% |
85,557
-1,669,348
| -95% | -$124M |
|
3840
PUT
Lantheus
LNTH
$6.58B
| $6.64M | ﹤0.01% |
87,500
+30,800
| +54% | +$2.21M |
|
3841
CALL
ProShares UltraPro Russell2000
URTY
$360M
| $6.63M | ﹤0.01% |
128,700
-37,700
| -23% | -$2.26M |
|
3842
Mohawk Industries
MHK
$9.25B
| $6.63M | ﹤0.01% |
67,345
+27,956
| +71% | +$3.26M |
|
3843
PUT
Edwards Lifesciences
EW
$52.3B
| $6.63M | ﹤0.01% |
82,800
-65,100
| -44% | -$5.37M |
|
3844
CALL
Vanguard Tax-Exempt Bond Index Fund
VTEB
$45.9B
| $6.63M | ﹤0.01% |
132,900
+122,700
| +1,203% | +$6.2M |
|
3845
CALL
TD Synnex
SNX
$20.9B
| $6.63M | ﹤0.01% |
39,300
+34,500
| +719% | +$5.44M |
|
3846
Prosperity Bancshares
PB
$8.99B
| $6.62M | ﹤0.01% |
98,554
-158,461
| -62% | -$11.1M |
|
3847
FTI Consulting
FCN
$4.16B
| $6.62M | ﹤0.01% |
37,451
-41,156
| -52% | -$7.02M |
|
3848
PUT
Direxion Daily Small Cap Bear 3x ETF
TZA
$209M
| $6.62M | ﹤0.01% |
94,240
+66,130
| +235% | +$4.3M |
|
3849
uniQure
QURE
$3.29B
| $6.61M | ﹤0.01% |
404,565
-64,735
| -14% | -$1.31M |
|
3850
Avista
AVA
$3.25B
| $6.61M | ﹤0.01% |
164,757
-80,607
| -33% | -$3.25M |
|
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.