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 | |
|---|---|---|---|---|---|---|
3126
PUT
Red Cat Holdings
RCAT
$1.7B
| $10.7M | ﹤0.01% |
817,100
-247,900
| -23% | -$3.39M |
|
3127
Lamar Advertising Co
LAMR
$15.8B
| $10.7M | ﹤0.01% |
84,395
+4,934
| +6% | +$646K |
|
3128
CALL
Public Service Enterprise Group
PEG
$37.9B
| $10.7M | ﹤0.01% |
132,000
+98,500
| +294% | +$8.08M |
|
3129
Direxion Daily TSLA Bull 2X ETF
TSLL
$3.54B
| $10.7M | ﹤0.01% |
878,349
+716,784
| +444% | +$11.2M |
|
|
B
3130
Barrick Mining
B
$68.5B
| $10.7M | ﹤0.01% |
261,155
-2,442,200
| -90% | -$113M |
|
3131
CALL
MACOM Technology Solutions
MTSI
$24.2B
| $10.6M | ﹤0.01% |
47,800
+25,100
| +111% | +$5.6M |
|
3132
Madison Square Garden
MSGS
$9.8B
| $10.6M | ﹤0.01% |
33,002
+15,848
| +92% | +$4.72M |
|
3133
LeMaitre Vascular
LMAT
$1.88B
| $10.6M | ﹤0.01% |
97,083
+82,047
| +546% | +$7.82M |
|
3134
Coty
COTY
$2.51B
| $10.6M | ﹤0.01% |
5,263,087
+1,683,787
| +47% | +$4.53M |
|
3135
Genuine Parts
GPC
$18.6B
| $10.6M | ﹤0.01% |
100,007
-804,488
| -89% | -$99.6M |
|
3136
PUT
Surgery Partners
SGRY
$1.97B
| $10.6M | ﹤0.01% |
887,200
+774,800
| +689% | +$11.1M |
|
3137
Maplebear
CART
$11.3B
| $10.6M | ﹤0.01% |
282,281
-2,042,149
| -88% | -$77.5M |
|
3138
Strategic Education
STRA
$1.83B
| $10.6M | ﹤0.01% |
127,331
+76,479
| +150% | +$6.23M |
|
3139
CALL
Entergy
ETR
$50.3B
| $10.6M | ﹤0.01% |
94,000
+66,100
| +237% | +$6.65M |
|
3140
NBT Bancorp
NBTB
$2.78B
| $10.6M | ﹤0.01% |
247,948
+149,581
| +152% | +$6.49M |
|
3141
PUT
Cintas
CTAS
$79.8B
| $10.6M | ﹤0.01% |
62,400
-45,700
| -42% | -$8.76M |
|
3142
Futu Holdings
FUTU
$14.8B
| $10.5M | ﹤0.01% |
77,123
+53,645
| +228% | +$8.34M |
|
3143
Invesco KBW Bank ETF
KBWB
$6.87B
| $10.5M | ﹤0.01% |
133,136
-86,230
| -39% | -$7.21M |
|
|
TERN
3144
CALL
DELISTED
Terns Pharmaceuticals
TERN
| $10.5M | ﹤0.01% |
199,800
+59,500
| +42% | +$2.44M |
|
3145
PUT
Hormel Foods
HRL
$13.5B
| $10.5M | ﹤0.01% |
464,800
-141,400
| -23% | -$3.38M |
|
3146
PUT
SM Energy
SM
$8.03B
| $10.5M | ﹤0.01% |
337,595
+80,295
| +31% | +$1.83M |
|
3147
CALL
JetBlue
JBLU
$2.13B
| $10.5M | ﹤0.01% |
2,378,100
+1,571,700
| +195% | +$7.97M |
|
3148
Janus Henderson AAA CLO ETF
JAAA
$29.8B
| $10.5M | ﹤0.01% |
+208,416
| New | +$10.5M |
|
3149
CALL
Weyerhaeuser
WY
$17.7B
| $10.5M | ﹤0.01% |
429,600
+41,500
| +11% | +$1.04M |
|
3150
Ichor Holdings
ICHR
$2.66B
| $10.5M | ﹤0.01% |
225,150
+200,557
| +816% | +$7.8M |
|
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.