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 | |
|---|---|---|---|---|---|---|
4276
PUT
Cellebrite
CLBT
$2.62B
| $5.05M | ﹤0.01% |
366,700
+19,500
| +6% | +$294K |
|
4277
iShares Expanded Tech-Software Sector ETF
IGV
$14.1B
| $5.05M | ﹤0.01% |
+63,118
| New | +$5.59M |
|
4278
ProShares UltraShort Bloomberg Natural Gas
KOLD
$124M
| $5.05M | ﹤0.01% |
+232,677
| New | +$5.75M |
|
|
PTIR
4279
CALL
GraniteShares 2x Long PLTR Daily ETF
PTIR
$350M
| $5.05M | ﹤0.01% |
308,500
-148,300
| -32% | -$2.83M |
|
4280
American Resources Corp
AREC
$316M
| $5.05M | ﹤0.01% |
2,085,665
-806,276
| -28% | -$2.57M |
|
4281
Adaptive Biotechnologies
ADPT
$3.94B
| $5.04M | ﹤0.01% |
363,333
+306,381
| +538% | +$4.88M |
|
4282
iShares Global Financials ETF
IXG
$699M
| $5.04M | ﹤0.01% |
44,220
+29,765
| +206% | +$3.54M |
|
4283
PUT
Equity Residential
EQR
$23.9B
| $5.04M | ﹤0.01% |
85,200
+20,700
| +32% | +$1.28M |
|
4284
UFP Industries
UFPI
$4.87B
| $5.04M | ﹤0.01% |
54,688
-2,768
| -5% | -$280K |
|
|
UROY
4285
Uranium Royalty Corp
UROY
$1.59B
| $5.04M | ﹤0.01% |
1,379,711
+850,977
| +161% | +$3.48M |
|
4286
CALL
US Foods
USFD
$23.5B
| $5.03M | ﹤0.01% |
54,600
+7,900
| +17% | +$700K |
|
4287
PUT
MPLX
MPLX
$59.9B
| $5.03M | ﹤0.01% |
88,200
-193,700
| -69% | -$11M |
|
4288
PUT
Vanguard World Funds Extended Duration ETF
EDV
$3.4B
| $5.03M | ﹤0.01% |
77,400
+30,800
| +66% | +$2.04M |
|
4289
PUT
Kinsale Capital Group
KNSL
$8.36B
| $5.02M | ﹤0.01% |
14,700
-5,000
| -25% | -$1.89M |
|
4290
CALL
Credicorp
BAP
$30.1B
| $5.02M | ﹤0.01% |
14,800
+10,900
| +279% | +$3.65M |
|
4291
PUT
Qfin Holdings
QFIN
$1.45B
| $5.02M | ﹤0.01% |
388,700
+104,500
| +37% | +$1.61M |
|
4292
CALL
GeneDx Holdings
WGS
$2.31B
| $5.02M | ﹤0.01% |
78,100
-12,700
| -14% | -$1.16M |
|
4293
PUT
Warby Parker
WRBY
$3.16B
| $5.01M | ﹤0.01% |
237,900
+77,300
| +48% | +$1.92M |
|
4294
PUT
Brighthouse Financial
BHF
$3.21B
| $5.01M | ﹤0.01% |
83,600
+39,300
| +89% | +$2.45M |
|
4295
CALL
Travel + Leisure Co
TNL
$4.52B
| $5M | ﹤0.01% |
72,300
+21,900
| +43% | +$1.58M |
|
4296
PUT
Vanguard Morningstar Mega Cap Growth ETF
MGK
$33.7B
| $5M | ﹤0.01% |
68,000
+42,000
| +162% | +$3.3M |
|
4297
Marriott Vacations Worldwide
VAC
$4.11B
| $5M | ﹤0.01% |
76,735
-712,161
| -90% | -$44.1M |
|
4298
Comstock
LODE
$264M
| $4.99M | ﹤0.01% |
1,636,241
+832,114
| +103% | +$2.72M |
|
4299
Vanguard FTSE Developed Markets ETF
VEA
$240B
| $4.99M | ﹤0.01% |
77,878
+56,578
| +266% | +$3.73M |
|
|
ARIS
4300
CALL
Aris Mining
ARIS
$3.74B
| $4.99M | ﹤0.01% |
268,600
+227,100
| +547% | +$4.29M |
|
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.