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 | |
|---|---|---|---|---|---|---|
3276
CALL
Murphy Oil
MUR
$4.96B
| $9.62M | ﹤0.01% |
233,100
+33,400
| +17% | +$1.13M |
|
3277
Dave Inc
DAVE
$4.27B
| $9.61M | ﹤0.01% |
55,226
-69,782
| -56% | -$13.5M |
|
3278
CALL
Ares Capital
ARCC
$14.3B
| $9.61M | ﹤0.01% |
533,300
-33,600
| -6% | -$650K |
|
3279
Capital Group Core Plus Income ETF
CGCP
$8.51B
| $9.61M | ﹤0.01% |
430,029
+92,383
| +27% | +$2.09M |
|
3280
CALL
Cytokinetics
CYTK
$10.3B
| $9.6M | ﹤0.01% |
145,700
+89,400
| +159% | +$5.68M |
|
3281
CALL
M&T Bank
MTB
$36.7B
| $9.59M | ﹤0.01% |
46,400
+1,900
| +4% | +$409K |
|
3282
Lightspeed Commerce
LSPD
$1.38B
| $9.59M | ﹤0.01% |
1,070,496
+650,990
| +155% | +$6.5M |
|
3283
CALL
Summit Therapeutics
SMMT
$10.6B
| $9.59M | ﹤0.01% |
505,600
+186,800
| +59% | +$3.02M |
|
3284
Winmark
WINA
$1.26B
| $9.58M | ﹤0.01% |
22,396
+15,517
| +226% | +$6.84M |
|
|
KRMN
3285
CALL
Karman Holdings
KRMN
$8.22B
| $9.57M | ﹤0.01% |
119,600
+73,400
| +159% | +$7.08M |
|
|
ASTX
3286
CALL
Tradr 2X Long ASTS Daily ETF
ASTX
$382M
| $9.57M | ﹤0.01% |
263,000
+186,600
| +244% | +$10.8M |
|
3287
Spectrum Brands
SPB
$2.07B
| $9.56M | ﹤0.01% |
129,703
+116,992
| +920% | +$8.33M |
|
3288
Peabody Energy
BTU
$3.11B
| $9.54M | ﹤0.01% |
+289,576
| New | +$10.1M |
|
3289
Direxion Daily MSCI South Korea Bull 3X ETF
KORU
$1.62B
| $9.53M | ﹤0.01% |
+671,080
| New | +$12.1M |
|
3290
Arch Capital
ACGL
$33.7B
| $9.52M | ﹤0.01% |
99,165
-273,365
| -73% | -$26.2M |
|
3291
Fidelity Emerging Markets Multifactor ETF
FDEM
$591M
| $9.52M | ﹤0.01% |
301,327
+118,680
| +65% | +$3.91M |
|
3292
Rush Street Interactive
RSI
$2.96B
| $9.51M | ﹤0.01% |
437,225
-906,897
| -67% | -$17.4M |
|
|
CSHP
3293
iShares Dynamic Short-Term Active ETF
CSHP
$192M
| $9.5M | ﹤0.01% |
95,541
+36,715
| +62% | +$3.64M |
|
3294
Graham Holdings Company
GHC
$5.04B
| $9.5M | ﹤0.01% |
8,985
+5,624
| +167% | +$6.2M |
|
3295
Universal Corp
UVV
$1.11B
| $9.5M | ﹤0.01% |
180,220
+90,171
| +100% | +$4.85M |
|
3296
PUT
Transmedics
TMDX
$3.07B
| $9.48M | ﹤0.01% |
95,400
-27,400
| -22% | -$3.57M |
|
3297
PUT
Calumet Specialty Products
CLMT
$4.19B
| $9.48M | ﹤0.01% |
264,100
+22,500
| +9% | +$583K |
|
3298
PUT
Lamb Weston
LW
$7.3B
| $9.47M | ﹤0.01% |
224,100
-110,800
| -33% | -$4.95M |
|
|
NNE
3299
PUT
Nano Nuclear Energy
NNE
$1.06B
| $9.46M | ﹤0.01% |
462,100
-134,600
| -23% | -$3.67M |
|
3300
CALL
JPMorgan Nasdaq Equity Premium Income ETF
JEPQ
$41.9B
| $9.46M | ﹤0.01% |
170,400
-131,600
| -44% | -$7.61M |
|
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.