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 | |
|---|---|---|---|---|---|---|
7001
PUT
Qiagen
QGEN
$8.81B
| $1.31M | ﹤0.01% |
32,750
-86,450
| -73% | -$4.09M |
|
7002
YieldMax Ultra Option Income Strategy ETF
ULTY
$760M
| $1.31M | ﹤0.01% |
+42,673
| New | +$1.48M |
|
7003
CALL
Trex
TREX
$5.07B
| $1.31M | ﹤0.01% |
35,900
+12,600
| +54% | +$507K |
|
|
ZBIO
7004
Zenas BioPharma
ZBIO
$2.05B
| $1.31M | ﹤0.01% |
66,870
+42,411
| +173% | +$952K |
|
|
RSVR
7005
CALL
Reservoir Media
RSVR
$653M
| $1.31M | ﹤0.01% |
133,500
-492,700
| -79% | -$4.09M |
|
7006
PUT
Reliance Steel & Aluminium
RS
$21.6B
| $1.31M | ﹤0.01% |
4,300
+2,100
| +95% | +$667K |
|
|
MOMO
7007
Hello Group
MOMO
$861M
| $1.31M | ﹤0.01% |
+226,832
| New | +$1.47M |
|
7008
Invesco ESG NASDAQ 100 ETF
QQMG
$203M
| $1.31M | ﹤0.01% |
33,026
-1,514
| -4% | -$63.1K |
|
7009
CALL
SFL Corp
SFL
$1.54B
| $1.31M | ﹤0.01% |
121,000
+70,700
| +141% | +$684K |
|
7010
CALL
Cheniere Energy
CQP
$32.2B
| $1.31M | ﹤0.01% |
20,200
+11,100
| +122% | +$664K |
|
|
ARIS
7011
PUT
Aris Mining
ARIS
$3.58B
| $1.31M | ﹤0.01% |
70,300
-35,600
| -34% | -$673K |
|
7012
CALL
Henry Schein
HSIC
$9.94B
| $1.3M | ﹤0.01% |
17,700
-91,000
| -84% | -$7.03M |
|
7013
PUT
Core & Main
CNM
$8.73B
| $1.3M | ﹤0.01% |
26,400
-2,800
| -10% | -$151K |
|
7014
CALL
Atlas Energy Solutions
AESI
$1.5B
| $1.3M | ﹤0.01% |
99,400
-44,400
| -31% | -$519K |
|
7015
Shinhan Financial Group
SHG
$34.3B
| $1.3M | ﹤0.01% |
21,266
-27,171
| -56% | -$1.67M |
|
7016
PUT
AdvisorShares Ranger Equity Bear ETF
HDGE
$53M
| $1.3M | ﹤0.01% |
+72,600
| New | +$1.23M |
|
7017
PUT
Comstock
LODE
$270M
| $1.3M | ﹤0.01% |
427,000
+348,300
| +443% | +$1.14M |
|
7018
CALL
OSI Systems
OSIS
$3.84B
| $1.3M | ﹤0.01% |
4,900
-200
| -4% | -$55.3K |
|
7019
Nuveen Core Plus Bond ETF
NCPB
$55.2M
| $1.3M | ﹤0.01% |
52,018
+33
| +0.1% | +$834 |
|
|
VTEL
7020
Vanguard Long-Term Tax-Exempt Bond ETF
VTEL
$328M
| $1.3M | ﹤0.01% |
12,676
+9,160
| +261% | +$951K |
|
7021
Central Garden & Pet Co
CENT
$2.76B
| $1.3M | ﹤0.01% |
35,265
-43,826
| -55% | -$1.57M |
|
|
GREK
7022
CALL
Global X MSCI Greece ETF
GREK
$330M
| $1.3M | ﹤0.01% |
+20,300
| New | +$1.4M |
|
7023
PUT
Consensus Cloud Solutions
CCSI
$677M
| $1.3M | ﹤0.01% |
54,600
+20,800
| +62% | +$535K |
|
|
MFA
7024
CALL
MFA Financial
MFA
$928M
| $1.3M | ﹤0.01% |
135,300
+47,400
| +54% | +$467K |
|
7025
PROG Holdings
PRG
$1.66B
| $1.3M | ﹤0.01% |
45,141
-72,924
| -62% | -$2.35M |
|
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.