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 | |
|---|---|---|---|---|---|---|
5226
iShares Global Consumer Staples ETF
KXI
$1.07B
| $3M | ﹤0.01% |
44,764
+30,517
| +214% | +$2.1M |
|
5227
Kura Oncology
KURA
$896M
| $3M | ﹤0.01% |
368,825
-21,847
| -6% | -$188K |
|
5228
Global X Cybersecurity ETF
BUG
$1.56B
| $3M | ﹤0.01% |
+119,392
| New | +$3.28M |
|
5229
CALL
SouthState Bank Corp
SSB
$10.8B
| $3M | ﹤0.01% |
32,400
+20,100
| +163% | +$1.97M |
|
5230
Flotek Industries
FTK
$1.25B
| $2.99M | ﹤0.01% |
176,451
-151,497
| -46% | -$2.6M |
|
|
MAGN
5231
Magnera Corp
MAGN
$433M
| $2.99M | ﹤0.01% |
314,819
-235,573
| -43% | -$3.01M |
|
5232
iShares MSCI China Multisector Tech ETF
TCHI
$45.8M
| $2.99M | ﹤0.01% |
139,001
+11,721
| +9% | +$277K |
|
|
SW
5233
PUT
Smurfit Westrock
SW
$26.2B
| $2.98M | ﹤0.01% |
74,900
+21,400
| +40% | +$923K |
|
5234
Forum Energy Technologies
FET
$927M
| $2.98M | ﹤0.01% |
50,881
+11,823
| +30% | +$600K |
|
5235
CALL
Direxion Daily MSFT Bull 2X ETF
MSFU
$775M
| $2.98M | ﹤0.01% |
129,500
+75,800
| +141% | +$2.31M |
|
5236
CALL
Xtrackers Harvest CSI 500 China A-Shares Small Cap ETF
ASHS
$34.7M
| $2.98M | ﹤0.01% |
73,500
+55,000
| +297% | +$2.35M |
|
5237
CALL
LCI Industries
LCII
$2.6B
| $2.98M | ﹤0.01% |
24,200
-2,700
| -10% | -$369K |
|
|
XIFR
5238
PUT
XPLR Infrastructure LP
XIFR
$1.09B
| $2.98M | ﹤0.01% |
280,200
+22,300
| +9% | +$230K |
|
|
MRP
5239
CALL
Millrose Properties Inc
MRP
$5.02B
| $2.98M | ﹤0.01% |
106,250
-2,500
| -2% | -$75.3K |
|
5240
CALL
Northern Trust
NTRS
$34.8B
| $2.97M | ﹤0.01% |
21,300
+8,700
| +69% | +$1.25M |
|
5241
CALL
Pembina Pipeline
PBA
$28.4B
| $2.97M | ﹤0.01% |
66,400
-79,900
| -55% | -$3.39M |
|
|
FPS
5242
PUT
Forgent Power Solutions
FPS
$9.76B
| $2.97M | ﹤0.01% |
+101,500
| New | +$3.38M |
|
|
UHT
5243
Universal Health Realty Income Trust
UHT
$573M
| $2.97M | ﹤0.01% |
73,391
+2,820
| +4% | +$117K |
|
5244
Castle Biosciences
CSTL
$933M
| $2.97M | ﹤0.01% |
120,977
-245,379
| -67% | -$8.04M |
|
|
METU
5245
PUT
Direxion Daily META Bull 2X ETF
METU
$466M
| $2.97M | ﹤0.01% |
132,500
-16,600
| -11% | -$489K |
|
5246
PUT
Roivant Sciences
ROIV
$26.2B
| $2.97M | ﹤0.01% |
107,100
-210,800
| -66% | -$5.42M |
|
|
SVM
5247
CALL
Silvercorp Metals
SVM
$2.61B
| $2.97M | ﹤0.01% |
276,100
+97,400
| +55% | +$1.07M |
|
5248
Oxford Industries
OXM
$542M
| $2.96M | ﹤0.01% |
76,972
-76,847
| -50% | -$2.9M |
|
5249
PUT
Gulfport Energy Corp
GPOR
$3.01B
| $2.96M | ﹤0.01% |
14,000
+5,300
| +61% | +$1.05M |
|
5250
PUT
Corvus Pharmaceuticals
CRVS
$1.27B
| $2.96M | ﹤0.01% |
202,400
+27,400
| +16% | +$437K |
|
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.