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 | |
|---|---|---|---|---|---|---|
4076
PUT
Quest Diagnostics
DGX
$26B
| $5.74M | ﹤0.01% |
29,300
-3,100
| -10% | -$602K |
|
|
DEXC
4077
Dimensional Emerging Markets ex China Core Equity ETF
DEXC
$325M
| $5.74M | ﹤0.01% |
88,526
-2,118
| -2% | -$140K |
|
4078
PUT
Hubbell
HUBB
$26.6B
| $5.74M | ﹤0.01% |
11,700
+5,600
| +92% | +$2.75M |
|
|
BELFB
4079
CALL
Bel Fuse Inc Class B
BELFB
$4.3B
| $5.74M | ﹤0.01% |
29,000
+14,500
| +100% | +$3.03M |
|
4080
CALL
Phathom Pharmaceuticals
PHAT
$751M
| $5.73M | ﹤0.01% |
515,900
+446,600
| +644% | +$5.64M |
|
4081
CALL
AppFolio
APPF
$6.94B
| $5.73M | ﹤0.01% |
36,300
-11,800
| -25% | -$2.24M |
|
4082
PUT
Ramaco Resources Class A
METC
$775M
| $5.73M | ﹤0.01% |
370,500
-119,800
| -24% | -$2.12M |
|
4083
CALL
TKO Group
TKO
$14.3B
| $5.73M | ﹤0.01% |
28,400
+1,600
| +6% | +$327K |
|
4084
Amylyx Pharmaceuticals
AMLX
$2.39B
| $5.72M | ﹤0.01% |
411,532
+66,564
| +19% | +$936K |
|
4085
White Mountains Insurance
WTM
$5.04B
| $5.72M | ﹤0.01% |
2,603
+1,410
| +118% | +$3.02M |
|
4086
CALL
Enovix
ENVX
$790M
| $5.71M | ﹤0.01% |
1,102,600
-1,356,500
| -55% | -$8.49M |
|
4087
CALL
Harley-Davidson
HOG
$2.81B
| $5.71M | ﹤0.01% |
282,400
-519,000
| -65% | -$10.2M |
|
4088
Verra Mobility
VRRM
$699M
| $5.7M | ﹤0.01% |
399,115
+269,485
| +208% | +$4.94M |
|
4089
CALL
iShares MSCI Taiwan ETF
EWT
$11.6B
| $5.7M | ﹤0.01% |
+80,400
| New | +$5.65M |
|
4090
Liquidia Corp
LQDA
$6.95B
| $5.7M | ﹤0.01% |
151,014
-649,182
| -81% | -$24.1M |
|
4091
Liberty Latin America Class C
LILAK
$1.65B
| $5.69M | ﹤0.01% |
709,567
+525,369
| +285% | +$3.75M |
|
4092
IDT Corp
IDT
$1.65B
| $5.69M | ﹤0.01% |
115,840
-6,381
| -5% | -$316K |
|
4093
PUT
TPG
TPG
$8.31B
| $5.69M | ﹤0.01% |
140,400
+132,200
| +1,612% | +$6.78M |
|
4094
PUT
Group 1 Automotive
GPI
$3.1B
| $5.69M | ﹤0.01% |
17,200
+16,300
| +1,811% | +$5.69M |
|
4095
Cooper-Standard Automotive
CPS
$491M
| $5.68M | ﹤0.01% |
203,637
+180,760
| +790% | +$6.05M |
|
4096
CALL
Millicom
TIGO
$15.8B
| $5.67M | ﹤0.01% |
75,700
+42,600
| +129% | +$2.79M |
|
4097
Voya Financial
VOYA
$9.07B
| $5.67M | ﹤0.01% |
83,026
-23,692
| -22% | -$1.72M |
|
4098
CALL
Bitwise Bitcoin ETF
BITB
$2.47B
| $5.67M | ﹤0.01% |
154,000
-36,200
| -19% | -$1.5M |
|
4099
Corpay
CPAY
$26.8B
| $5.66M | ﹤0.01% |
19,439
-281,905
| -94% | -$90.3M |
|
4100
Teucrium Wheat Fund
WEAT
$303M
| $5.66M | ﹤0.01% |
+239,926
| New | +$5.17M |
|
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.