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 | |
|---|---|---|---|---|---|---|
726
PUT
Alcoa
AA
$13.3B
| $115M | 0.02% |
1,727,600
-762,600
| -31% | -$46.8M |
|
727
CALL
Teradyne
TER
$65.4B
| $115M | 0.02% |
386,500
-68,500
| -15% | -$19.1M |
|
728
iShares Gold Trust
IAU
$64.7B
| $114M | 0.02% |
1,296,017
-812,590
| -39% | -$74.5M |
|
729
Churchill Downs
CHDN
$6.19B
| $114M | 0.02% |
1,271,328
+329,161
| +35% | +$31.3M |
|
730
Constellation Energy
CEG
$98.5B
| $114M | 0.02% |
408,686
+130,153
| +47% | +$39.6M |
|
731
Hasbro
HAS
$13.6B
| $114M | 0.02% |
1,217,725
-164,246
| -12% | -$15.3M |
|
732
Corning
GLW
$141B
| $113M | 0.02% |
832,413
+653,414
| +365% | +$78.8M |
|
733
Bunge Global
BG
$21.7B
| $112M | 0.02% |
881,500
+502,733
| +133% | +$58.4M |
|
734
CALL
Rivian
RIVN
$23B
| $112M | 0.02% |
7,444,300
-4,978,100
| -40% | -$79.6M |
|
735
Cadence Design Systems
CDNS
$89.4B
| $111M | 0.02% |
400,795
+79,856
| +25% | +$23.8M |
|
736
PUT
Southwest Airlines
LUV
$22.2B
| $111M | 0.02% |
2,958,400
+1,764,000
| +148% | +$79.7M |
|
737
Kodiak Gas Services
KGS
$6.34B
| $111M | 0.02% |
1,904,807
+489,163
| +35% | +$23.7M |
|
738
Sea Limited
SE
$75.1B
| $111M | 0.02% |
1,340,256
+481,181
| +56% | +$51.6M |
|
739
Take-Two Interactive
TTWO
$45.1B
| $111M | 0.02% |
560,605
+481,577
| +609% | +$105M |
|
740
DaVita
DVA
$11.5B
| $111M | 0.02% |
719,408
+357,937
| +99% | +$48.5M |
|
741
CME Group
CME
$95.3B
| $110M | 0.02% |
373,956
-923,691
| -71% | -$274M |
|
742
CALL
Astera Labs
ALAB
$56.8B
| $110M | 0.02% |
1,007,000
-110,700
| -10% | -$15.8M |
|
743
CALL
iShares Select Dividend ETF
DVY
$23.9B
| $110M | 0.02% |
727,300
+707,800
| +3,630% | +$107M |
|
744
PUT
MP Materials
MP
$9.82B
| $110M | 0.02% |
2,274,600
-951,200
| -29% | -$56.9M |
|
745
CALL
DraftKings
DKNG
$12.4B
| $110M | 0.02% |
5,072,000
+965,600
| +24% | +$26.2M |
|
746
Unity
U
$19.6B
| $109M | 0.02% |
4,988,199
+4,414,723
| +770% | +$122M |
|
|
747
PUT
Astera Labs
ALAB
$56.8B
| $109M | 0.02% |
998,000
-57,500
| -5% | -$8.19M |
|
|
ETHA
748
CALL
iShares Ethereum Trust ETF
ETHA
$5.54B
| $109M | 0.02% |
6,901,400
-1,788,700
| -21% | -$32.4M |
|
749
CALL
Novartis
NVS
$289B
| $109M | 0.02% |
714,700
+270,500
| +61% | +$41.5M |
|
750
PUT
Blackrock
BLK
$182B
| $109M | 0.02% |
113,500
-114,700
| -50% | -$121M |
|
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.