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 | |
|---|---|---|---|---|---|---|
12101
SunPower Inc
SPWR
$48.7M
| $83.6K | ﹤0.01% |
65,852
-228,027
| -78% | -$343K |
|
12102
CALL
Agilon Health
AGL
$1.49B
| $83.5K | ﹤0.01% |
10,556
+2,336
| +28% | +$37.8K |
|
12103
8x8 Inc
EGHT
$303M
| $83.1K | ﹤0.01% |
50,079
-223,006
| -82% | -$456K |
|
|
FCO
12104
DELISTED
abrdn Global Income Fund
FCO
| $83K | ﹤0.01% |
+26,340
| New | +$81.9K |
|
12105
CALL
Televisa
TV
$1.51B
| $82.9K | ﹤0.01% |
28,500
-26,000
| -48% | -$79.8K |
|
12106
PUT
Backblaze
BLZE
$1.26B
| $82.8K | ﹤0.01% |
24,000
+7,500
| +45% | +$31.6K |
|
12107
PUT
Riskified
RSKD
$863M
| $82.7K | ﹤0.01% |
+21,100
| New | +$93.5K |
|
|
BTGO
12108
BitGo Holdings
BTGO
$641M
| $82.3K | ﹤0.01% |
+10,000
| New | +$109K |
|
12109
CALL
Lifestance Health
LFST
$4.67B
| $82.2K | ﹤0.01% |
12,900
-44,900
| -78% | -$312K |
|
12110
PUT
Odyssey Marine Exploration
OMEX
$53.4M
| $82.1K | ﹤0.01% |
98,400
+28,800
| +41% | +$48.9K |
|
12111
BayFirst Financial Corp
BAFN
$34.7M
| $82K | ﹤0.01% |
+12,911
| New | +$84.9K |
|
12112
CALL
Dominari Holdings
DOMH
$70.3M
| $81.9K | ﹤0.01% |
25,200
-32,400
| -56% | -$116K |
|
|
CCUP
12113
CALL
T-REX 2X Long CRCL Daily Target ETF
CCUP
$40.9M
| $81.2K | ﹤0.01% |
+17,500
| New | +$80K |
|
12114
PUT
Fortress Biotech
FBIO
$99M
| $81.2K | ﹤0.01% |
29,100
-31,800
| -52% | -$108K |
|
12115
PUT
Priority Technology Holdings
PRTH
$458M
| $81.2K | ﹤0.01% |
+17,200
| New | +$94.2K |
|
12116
CALL
Direxion Daily S&P Oil & Gas Exp. & Prod. Bear 2X ETF
DRIP
$101M
| $81.1K | ﹤0.01% |
1,960
-670
| -25% | -$43.5K |
|
12117
AmeriServ Financial
ASRV
$85M
| $80.9K | ﹤0.01% |
+22,358
| New | +$79.3K |
|
12118
Research Solutions
RSSS
$76.6M
| $80.8K | ﹤0.01% |
35,740
+6,975
| +24% | +$17.8K |
|
12119
CALL
Neumora Therapeutics
NMRA
$321M
| $80.7K | ﹤0.01% |
41,400
+6,600
| +19% | +$17.1K |
|
|
NAGE
12120
CALL
Niagen Bioscience
NAGE
$241M
| $80.7K | ﹤0.01% |
18,300
-1,700
| -9% | -$9.18K |
|
12121
CALL
DiaMedica Therapeutics
DMAC
$364M
| $80.6K | ﹤0.01% |
11,900
-15,800
| -57% | -$125K |
|
12122
CALL
1-800-Flowers.com
FLWS
$261M
| $80.6K | ﹤0.01% |
26,500
-78,400
| -75% | -$294K |
|
12123
Metalpha Technology Holding
MATH
$38.5M
| $80.5K | ﹤0.01% |
+70,001
| New | +$110K |
|
|
CHMI
12124
CALL
Cherry Hill Mortgage Investment Corp
CHMI
$108M
| $80.5K | ﹤0.01% |
+32,200
| New | +$85.1K |
|
12125
PUT
Absci
ABSI
$1.62B
| $80.4K | ﹤0.01% |
26,800
-2,500
| -9% | -$7.24K |
|
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.