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 | |
|---|---|---|---|---|---|---|
5576
PUT
Winnebago Industries
WGO
$920M
| $2.51M | ﹤0.01% |
80,900
+15,300
| +23% | +$637K |
|
5577
Perdoceo Education
PRDO
$2B
| $2.51M | ﹤0.01% |
67,353
-140,152
| -68% | -$4.63M |
|
5578
CALL
Ameren
AEE
$30.3B
| $2.51M | ﹤0.01% |
22,800
+2,900
| +15% | +$310K |
|
5579
PUT
Entergy
ETR
$49.9B
| $2.51M | ﹤0.01% |
22,300
+12,700
| +132% | +$1.28M |
|
|
ACLX
5580
DELISTED
Arcellx
ACLX
| $2.5M | ﹤0.01% |
21,806
-1,478,417
| -99% | -$130M |
|
5581
PUT
Carlisle Companies
CSL
$15B
| $2.5M | ﹤0.01% |
7,500
-10,400
| -58% | -$3.78M |
|
|
CGIC
5582
Capital Group International Core Equity ETF
CGIC
$2.42B
| $2.5M | ﹤0.01% |
75,563
+28,417
| +60% | +$973K |
|
5583
PUT
Doximity
DOCS
$4.67B
| $2.5M | ﹤0.01% |
107,300
-39,600
| -27% | -$1.23M |
|
5584
Vista Energy
VIST
$7.36B
| $2.5M | ﹤0.01% |
33,117
-432,875
| -93% | -$25.2M |
|
5585
QuinStreet
QNST
$1.2B
| $2.5M | ﹤0.01% |
207,815
+8,677
| +4% | +$110K |
|
5586
PUT
FS KKR Capital
FSK
$3.49B
| $2.49M | ﹤0.01% |
244,900
+23,500
| +11% | +$294K |
|
5587
CALL
Virtus Reaves Utilities ETF
UTES
$1.32B
| $2.49M | ﹤0.01% |
31,200
+28,500
| +1,056% | +$2.29M |
|
5588
AtriCure
ATRC
$2.21B
| $2.49M | ﹤0.01% |
87,347
-155,394
| -64% | -$5.3M |
|
5589
Monro
MNRO
$355M
| $2.49M | ﹤0.01% |
+155,354
| New | +$3.02M |
|
5590
Schwab US Aggregate Bond ETF
SCHZ
$10.6B
| $2.49M | ﹤0.01% |
+107,291
| New | +$2.51M |
|
|
ALX
5591
Alexander's
ALX
$1.4B
| $2.49M | ﹤0.01% |
+10,546
| New | +$2.51M |
|
5592
iShares Currency Hedged MSCI Eurozone ETF
HEZU
$591M
| $2.49M | ﹤0.01% |
56,994
+11,369
| +25% | +$512K |
|
5593
NCR Atleos
NATL
$3.47B
| $2.49M | ﹤0.01% |
57,057
+37,893
| +198% | +$1.57M |
|
5594
PUT
Performance Food Group
PFGC
$16.4B
| $2.48M | ﹤0.01% |
29,000
-33,500
| -54% | -$3.06M |
|
5595
PUT
CG Oncology
CGON
$6.65B
| $2.48M | ﹤0.01% |
36,700
+300
| +0.8% | +$17K |
|
5596
PUT
Innovative Industrial Properties
IIPR
$1.67B
| $2.48M | ﹤0.01% |
49,500
-1,800
| -4% | -$90.8K |
|
5597
PUT
Denali Therapeutics
DNLI
$3.99B
| $2.48M | ﹤0.01% |
+129,300
| New | +$2.57M |
|
5598
Hamilton Lane
HLNE
$5.92B
| $2.48M | ﹤0.01% |
24,965
-730,408
| -97% | -$89.7M |
|
5599
PUT
Direxion Daily FTSE China Bear 3X ETF
YANG
$99.1M
| $2.48M | ﹤0.01% |
85,135
-6,115
| -7% | -$155K |
|
|
CAFX
5600
Congress Intermediate Bond ETF
CAFX
$321M
| $2.48M | ﹤0.01% |
99,988
+47,853
| +92% | +$1.2M |
|
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.