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 | |
|---|---|---|---|---|---|---|
2976
CALL
ProShares UltraShort Bloomberg Natural Gas
KOLD
$105M
| $12M | ﹤0.01% |
550,900
-247,800
| -31% | -$6.12M |
|
2977
PUT
Zillow
Z
$7.82B
| $12M | ﹤0.01% |
288,900
-156,800
| -35% | -$8.34M |
|
|
PAYP
2978
PayPay
PAYP
$10.1B
| $12M | ﹤0.01% |
+560,000
| New | +$11.8M |
|
2979
Green Plains
GPRE
$1.09B
| $11.9M | ﹤0.01% |
726,171
+295,588
| +69% | +$4.01M |
|
2980
CALL
Crane Co
CR
$12.6B
| $11.9M | ﹤0.01% |
69,800
+63,400
| +991% | +$12.2M |
|
2981
iShares 0-3 Month Treasury Bond ETF
SGOV
$101B
| $11.9M | ﹤0.01% |
+118,450
| New | +$11.9M |
|
|
MULL
2982
PUT
GraniteShares 2x Long MU Daily ETF
MULL
$597M
| $11.9M | ﹤0.01% |
2,800,000
+2,085,000
| +292% | +$13M |
|
2983
A10 Networks
ATEN
$1.99B
| $11.9M | ﹤0.01% |
514,020
+362,004
| +238% | +$7.08M |
|
2984
Vanguard Morningstar Value ETF
VTV
$194B
| $11.9M | ﹤0.01% |
+60,566
| New | +$12.1M |
|
|
USAS
2985
CALL
Americas Gold and Silver
USAS
$1.77B
| $11.9M | ﹤0.01% |
2,276,200
+2,120,000
| +1,357% | +$15.5M |
|
2986
Warby Parker
WRBY
$3.2B
| $11.9M | ﹤0.01% |
563,447
-112,719
| -17% | -$2.8M |
|
2987
Lightwave Logic
LWLG
$1.17B
| $11.9M | ﹤0.01% |
1,688,399
-259,276
| -13% | -$1.23M |
|
2988
Camtek
CAMT
$7.72B
| $11.8M | ﹤0.01% |
+78,075
| New | +$11.8M |
|
2989
Royal Bank of Canada
RY
$301B
| $11.8M | ﹤0.01% |
72,957
-292,872
| -80% | -$49M |
|
2990
CALL
NetApp
NTAP
$40.6B
| $11.8M | ﹤0.01% |
115,200
-45,400
| -28% | -$4.61M |
|
2991
CALL
iShares MSCI Germany ETF
EWG
$1.68B
| $11.8M | ﹤0.01% |
296,800
+217,000
| +272% | +$9.19M |
|
2992
CALL
Direxion Daily CSI China Internet Index Bull 2X ETF
CWEB
$228M
| $11.7M | ﹤0.01% |
438,900
-190,600
| -30% | -$6.99M |
|
2993
PUT
Centene
CNC
$33.3B
| $11.7M | ﹤0.01% |
358,300
-750,500
| -68% | -$30.8M |
|
2994
CALL
Sunoco
SUN
$14.2B
| $11.7M | ﹤0.01% |
180,500
+15,200
| +9% | +$922K |
|
2995
CALL
Arrowhead Research
ARWR
$12.2B
| $11.7M | ﹤0.01% |
187,000
-47,100
| -20% | -$2.98M |
|
|
2996
Crane Co
CR
$12.6B
| $11.7M | ﹤0.01% |
68,544
+40,538
| +145% | +$7.78M |
|
2997
CALL
Macy's
M
$6.16B
| $11.7M | ﹤0.01% |
647,900
-361,900
| -36% | -$7.33M |
|
2998
CG Oncology
CGON
$6.65B
| $11.7M | ﹤0.01% |
172,815
-508,371
| -75% | -$28.8M |
|
2999
iShares MSCI Intl Momentum Factor ETF
IMTM
$4.33B
| $11.7M | ﹤0.01% |
243,552
+214,591
| +741% | +$10.8M |
|
3000
Shoals Technologies Group
SHLS
$1.42B
| $11.7M | ﹤0.01% |
1,776,505
-1,982,750
| -53% | -$16.3M |
|
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.