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 | |
|---|---|---|---|---|---|---|
12076
Chegg
CHGG
$89.3M
| $88K | ﹤0.01% |
118,727
-270,336
| -69% | -$190K |
|
12077
Invesco Advantage Municipal Income Trust II
VKI
$403M
| $88K | ﹤0.01% |
+10,157
| New | +$92.5K |
|
12078
CALL
KRONOS Worldwide
KRO
$996M
| $87.4K | ﹤0.01% |
13,300
-16,900
| -56% | -$95.9K |
|
12079
CALL
Runway Growth Finance
RWAY
$292M
| $87.2K | ﹤0.01% |
12,700
-500
| -4% | -$4.15K |
|
|
WIW
12080
Western Asset Inflation-Linked Opportunities & Income Fund
WIW
$513M
| $87.2K | ﹤0.01% |
10,303
-7,516
| -42% | -$64.6K |
|
|
PURR
12081
PUT
Hyperliquid Strategies Inc
PURR
$1.37B
| $87K | ﹤0.01% |
+17,100
| New | +$77.4K |
|
12082
B&G Foods
BGS
$299M
| $86.8K | ﹤0.01% |
18,037
-153,469
| -89% | -$743K |
|
|
LND
12083
BrasilAgro
LND
$357M
| $86.7K | ﹤0.01% |
20,488
-6,110
| -23% | -$24.4K |
|
|
DHC
12084
PUT
Diversified Healthcare Trust
DHC
$2.03B
| $86.3K | ﹤0.01% |
13,000
-55,500
| -81% | -$352K |
|
12085
PUT
Acacia Research
ACTG
$449M
| $85.6K | ﹤0.01% |
17,800
+6,300
| +55% | +$26.5K |
|
|
PROF
12086
CALL
Profound Medical
PROF
$242M
| $85.5K | ﹤0.01% |
+13,200
| New | +$91.2K |
|
12087
CALL
Thryv Holdings
THRY
$96.9M
| $85.5K | ﹤0.01% |
31,200
+15,200
| +95% | +$59.7K |
|
|
ABTC
12088
PUT
American Bitcoin Corp
ABTC
$533M
| $85.4K | ﹤0.01% |
6,160
-13,013
| -68% | -$250K |
|
12089
Crown Crafts
CRWS
$28.6M
| $85.2K | ﹤0.01% |
33,078
-30,478
| -48% | -$87.6K |
|
12090
CALL
Titan International
TWI
$438M
| $85K | ﹤0.01% |
12,300
+1,500
| +14% | +$13.5K |
|
12091
PUT
Fathom Holdings
FTHM
$24.5M
| $85K | ﹤0.01% |
+160,300
| New | +$160K |
|
|
12092
PUT
Chegg
CHGG
$89.3M
| $84.8K | ﹤0.01% |
114,400
-59,300
| -34% | -$41.7K |
|
|
LUXE
12093
PUT
LuxExperience B.V.
LUXE
$1.04B
| $84.8K | ﹤0.01% |
+10,600
| New | +$91K |
|
12094
PUT
PepGen
PEPG
$206M
| $84.6K | ﹤0.01% |
+47,800
| New | +$269K |
|
12095
PUT
Zura Bio
ZURA
$540M
| $84.5K | ﹤0.01% |
14,200
-49,800
| -78% | -$301K |
|
|
EAD
12096
Allspring Income Opportunities Fund
EAD
$377M
| $84.4K | ﹤0.01% |
+13,029
| New | +$87.9K |
|
|
ATYR
12097
CALL
aTyr Pharma
ATYR
$54.2M
| $84.4K | ﹤0.01% |
108,200
-19,000
| -15% | -$16K |
|
|
12098
CALL
Acacia Research
ACTG
$449M
| $84.2K | ﹤0.01% |
17,500
+5,900
| +51% | +$24.9K |
|
|
ETRL
12099
DELISTED
GraniteShares 2x Long ETOR Daily ETF
ETRL
| $84K | ﹤0.01% |
10,550
-84
| -0.8% | -$741 |
|
12100
Aura Biosciences
AURA
$791M
| $83.6K | ﹤0.01% |
12,503
-56,046
| -82% | -$322K |
|
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.