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 | |
|---|---|---|---|---|---|---|
7051
CALL
BRC Group Holdings
RILY
$292M
| $1.29M | ﹤0.01% |
175,900
-131,000
| -43% | -$977K |
|
7052
CALL
Cabaletta Bio
CABA
$455M
| $1.29M | ﹤0.01% |
478,600
+256,000
| +115% | +$711K |
|
7053
CALL
Criteo S.A. Ordinary Shares
CRTO
$867M
| $1.29M | ﹤0.01% |
71,800
+33,900
| +89% | +$638K |
|
7054
Simplify Affinity World Leaders Equity ETF
WLDR
$93.6M
| $1.29M | ﹤0.01% |
34,615
+26,031
| +303% | +$987K |
|
|
PRA
7055
DELISTED
ProAssurance
PRA
| $1.29M | ﹤0.01% |
52,071
+12,191
| +31% | +$297K |
|
7056
VanEck Retail ETF
RTH
$262M
| $1.29M | ﹤0.01% |
5,130
-1,078
| -17% | -$279K |
|
7057
JPMorgan Inflation Managed Bond ETF
JCPI
$868M
| $1.29M | ﹤0.01% |
26,601
-14,288
| -35% | -$692K |
|
7058
VictoryShares Emerging Markets Value Momentum ETF
UEVM
$251M
| $1.29M | ﹤0.01% |
22,492
-13,906
| -38% | -$816K |
|
7059
PUT
ProShares Ultra Consumer Staples
UGE
$9.98M
| $1.29M | ﹤0.01% |
+69,800
| New | +$1.36M |
|
7060
CALL
Sprott Junior Copper Miners ETF
COPJ
$166M
| $1.29M | ﹤0.01% |
33,000
+25,100
| +318% | +$1.1M |
|
7061
CALL
Power Integrations
POWI
$3.54B
| $1.29M | ﹤0.01% |
25,100
+13,500
| +116% | +$620K |
|
7062
CALL
Bakkt Inc
BKKT
$329M
| $1.29M | ﹤0.01% |
174,600
+27,068
| +18% | +$321K |
|
7063
CALL
Vanguard Morningstar Large-Cap ETF
VV
$54.3B
| $1.29M | ﹤0.01% |
4,300
+400
| +10% | +$125K |
|
7064
Amphastar Pharmaceuticals
AMPH
$869M
| $1.28M | ﹤0.01% |
65,540
-163,184
| -71% | -$3.99M |
|
7065
CALL
Nicolet Bankshares
NIC
$3.72B
| $1.28M | ﹤0.01% |
8,631
+3,831
| +80% | +$556K |
|
7066
First Trust International Developed Capital Strength ETF
FICS
$214M
| $1.28M | ﹤0.01% |
+32,851
| New | +$1.33M |
|
7067
ProShares UltraShort Yen
YCS
$29.9M
| $1.28M | ﹤0.01% |
24,201
-2,708
| -10% | -$139K |
|
7068
CALL
EyePoint Inc
EYPT
$1.13B
| $1.28M | ﹤0.01% |
99,400
+36,200
| +57% | +$541K |
|
|
ESPR
7069
DELISTED
Esperion Therapeutics
ESPR
| $1.28M | ﹤0.01% |
467,610
-282,493
| -38% | -$894K |
|
7070
Kopin
KOPN
$964M
| $1.28M | ﹤0.01% |
+568,823
| New | +$1.38M |
|
7071
PUT
Lazard
LAZ
$4.24B
| $1.28M | ﹤0.01% |
+30,100
| New | +$1.47M |
|
|
AD
7072
Array Digital Infrastructure
AD
$3.01B
| $1.28M | ﹤0.01% |
27,700
+14,037
| +103% | +$700K |
|
7073
SandRidge Energy
SD
$531M
| $1.28M | ﹤0.01% |
78,344
+10,326
| +15% | +$167K |
|
7074
CALL
FT Vest Rising Dividend Achievers Target Income ETF
RDVI
$3.7B
| $1.28M | ﹤0.01% |
50,000
+39,800
| +390% | +$1.06M |
|
7075
Worthington Enterprises
WOR
$2.79B
| $1.28M | ﹤0.01% |
24,498
+7,962
| +48% | +$426K |
|
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.