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 | |
|---|---|---|---|---|---|---|
|
EAGL
951
Eagle Capital Select Equity ETF
EAGL
$4.69B
| $81.2M | 0.01% |
+2,668,731
| New | +$85.3M |
|
|
HUT
952
CALL
Hut 8
HUT
$10.2B
| $81.2M | 0.01% |
1,730,000
-1,092,400
| -39% | -$59.1M |
|
953
West Pharmaceutical
WST
$24.4B
| $81.1M | 0.01% |
323,587
+77,947
| +32% | +$19.4M |
|
954
Reinsurance Group of America
RGA
$16.4B
| $81M | 0.01% |
396,678
-297,105
| -43% | -$61.4M |
|
955
CALL
Petrobras
PBR
$115B
| $80.9M | 0.01% |
3,899,800
+2,587,200
| +197% | +$41.4M |
|
956
CALL
Microchip Technology
MCHP
$42.2B
| $80.6M | 0.01% |
1,248,200
-261,000
| -17% | -$18.8M |
|
957
First Majestic Silver
AG
$9.26B
| $80.5M | 0.01% |
3,746,529
-1,163,532
| -24% | -$26.8M |
|
958
iShares China Large-Cap ETF
FXI
$4.16B
| $80.4M | 0.01% |
2,240,247
+2,178,539
| +3,530% | +$82.9M |
|
959
CALL
CF Industries
CF
$17.7B
| $80.3M | 0.01% |
618,700
+167,500
| +37% | +$17.1M |
|
960
Nasdaq
NDAQ
$54.6B
| $80.3M | 0.01% |
946,293
+429,575
| +83% | +$38.5M |
|
961
MetLife
MET
$61.9B
| $80.1M | 0.01% |
1,132,834
-919,866
| -45% | -$68.9M |
|
962
SPDR Gold Trust
GLD
$142B
| $80.1M | 0.01% |
186,122
-1,513,953
| -89% | -$678M |
|
963
International Flavors & Fragrances
IFF
$21.4B
| $80M | 0.01% |
1,102,513
+112,931
| +11% | +$8.29M |
|
964
Murphy USA
MUSA
$10.4B
| $80M | 0.01% |
161,918
+128,497
| +384% | +$55M |
|
965
PUT
Marathon Petroleum
MPC
$100B
| $79.9M | 0.01% |
327,300
+166,100
| +103% | +$33.5M |
|
966
PACCAR
PCAR
$68.8B
| $79.8M | 0.01% |
691,238
+416,984
| +152% | +$50.4M |
|
967
NIO
NIO
$11.3B
| $79.8M | 0.01% |
13,235,171
+3,798,807
| +40% | +$19.2M |
|
968
CALL
American Airlines Group
AAL
$9.97B
| $79.8M | 0.01% |
7,426,000
-1,338,000
| -15% | -$17.7M |
|
969
Samsara
IOT
$24B
| $79.7M | 0.01% |
2,516,132
+1,433,924
| +132% | +$43.8M |
|
970
Dollar Tree
DLTR
$24.9B
| $79.6M | 0.01% |
726,556
+431,047
| +146% | +$52.7M |
|
971
CALL
Affirm
AFRM
$26.2B
| $79.5M | 0.01% |
1,734,100
-1,017,100
| -37% | -$58.8M |
|
972
Synopsys
SNPS
$78.8B
| $79.4M | 0.01% |
200,296
-467,790
| -70% | -$211M |
|
973
Cinemark Holdings
CNK
$4.37B
| $79.4M | 0.01% |
2,782,986
+1,775,869
| +176% | +$45.5M |
|
974
PUT
Expedia Group
EXPE
$39.4B
| $79.4M | 0.01% |
343,700
-93,000
| -21% | -$22.8M |
|
975
PUT
Ondas Inc
ONDS
$5.08B
| $79.3M | 0.01% |
8,772,100
+6,697,100
| +323% | +$72.8M |
|
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.