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 | |
|---|---|---|---|---|---|---|
5176
Hawaiian Electric Industries
HE
$2.04B
| $3.07M | ﹤0.01% |
206,936
+57,675
| +39% | +$872K |
|
5177
Digital Turbine
APPS
$1.53B
| $3.07M | ﹤0.01% |
1,066,143
-8,062
| -0.8% | -$34.6K |
|
5178
Pulse Biosciences
PLSE
$3.2B
| $3.07M | ﹤0.01% |
142,150
+100,620
| +242% | +$1.86M |
|
|
SVM
5179
Silvercorp Metals
SVM
$2.61B
| $3.07M | ﹤0.01% |
285,721
-1,251,128
| -81% | -$13.8M |
|
5180
MiMedx Group
MDXG
$612M
| $3.07M | ﹤0.01% |
776,441
+326,779
| +73% | +$1.65M |
|
|
TEN
5181
CALL
Tsakos Energy Navigation Ltd
TEN
$1.23B
| $3.07M | ﹤0.01% |
77,700
+13,600
| +21% | +$417K |
|
|
RKLX
5182
CALL
Defiance Daily Target 2X Long RKLB ETF
RKLX
$255M
| $3.07M | ﹤0.01% |
119,900
+70,200
| +141% | +$2.96M |
|
5183
Brady Corp
BRC
$4.43B
| $3.06M | ﹤0.01% |
37,704
+3,958
| +12% | +$344K |
|
5184
CALL
PagSeguro Digital
PAGS
$2.43B
| $3.06M | ﹤0.01% |
305,000
-44,600
| -13% | -$465K |
|
|
IFLN
5185
Invesco Bloomberg Enhanced Fallen Angels ETF
IFLN
$307M
| $3.05M | ﹤0.01% |
+170,220
| New | +$3.14M |
|
5186
FPA Global Equity ETF
FPAG
$603M
| $3.05M | ﹤0.01% |
+84,098
| New | +$3.21M |
|
5187
Replimune Group
REPL
$1.42B
| $3.05M | ﹤0.01% |
398,729
+240,370
| +152% | +$1.84M |
|
5188
CALL
CoreCivic
CXW
$3.13B
| $3.05M | ﹤0.01% |
161,300
-7,600
| -4% | -$143K |
|
5189
Smith & Wesson
SWBI
$643M
| $3.05M | ﹤0.01% |
212,820
+67,806
| +47% | +$824K |
|
5190
PUT
Boyd Gaming
BYD
$6.05B
| $3.05M | ﹤0.01% |
37,100
+11,400
| +44% | +$957K |
|
5191
Arbutus Biopharma
ABUS
$906M
| $3.05M | ﹤0.01% |
677,138
+572,295
| +546% | +$2.5M |
|
5192
PUT
iShares MSCI Global Silver and Metals Miners ETF
SLVP
$952M
| $3.05M | ﹤0.01% |
85,900
+32,700
| +61% | +$1.31M |
|
5193
CALL
iShares Russell 2000 Growth ETF
IWO
$15.1B
| $3.04M | ﹤0.01% |
9,700
+3,500
| +56% | +$1.16M |
|
5194
CALL
Universal Display
OLED
$4.18B
| $3.04M | ﹤0.01% |
33,200
-22,100
| -40% | -$2.44M |
|
|
ELME
5195
Elme Communities
ELME
$144M
| $3.04M | ﹤0.01% |
1,513,428
+313,513
| +26% | +$1.03M |
|
5196
Janus International
JBI
$686M
| $3.04M | ﹤0.01% |
590,586
+137,293
| +30% | +$889K |
|
5197
Ziff Davis
ZD
$1.92B
| $3.04M | ﹤0.01% |
72,480
-49,350
| -41% | -$1.81M |
|
5198
iShares Cybersecurity and Tech ETF
IHAK
$1.15B
| $3.04M | ﹤0.01% |
+69,658
| New | +$3.18M |
|
|
ASCI
5199
abrdn International Small Cap Active ETF
ASCI
$80.6M
| $3.04M | ﹤0.01% |
91,529
+4,632
| +5% | +$161K |
|
5200
CALL
Scholar Rock
SRRK
$6.46B
| $3.04M | ﹤0.01% |
61,800
+26,500
| +75% | +$1.19M |
|
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.