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 | |
|---|---|---|---|---|---|---|
1426
CALL
Canadian Natural Resources
CNQ
$98.1B
| $46M | 0.01% |
944,900
-227,300
| -19% | -$9.35M |
|
1427
PUT
State Street Communication Services Select Sector SPDR ETF
XLC
$22.8B
| $45.9M | 0.01% |
414,300
+109,000
| +36% | +$12.6M |
|
1428
TC Energy
TRP
$66.3B
| $45.8M | 0.01% |
731,730
-14,726
| -2% | -$888K |
|
1429
CALL
Opendoor
OPEN
$3.54B
| $45.8M | 0.01% |
9,779,200
-2,552,000
| -21% | -$13.8M |
|
1430
Ollie's Bargain Outlet
OLLI
$4.73B
| $45.7M | 0.01% |
496,848
-1,013,536
| -67% | -$109M |
|
1431
CALL
Galicia Financial Group
GGAL
$7.1B
| $45.7M | 0.01% |
978,400
+66,600
| +7% | +$3.24M |
|
1432
CALL
Equinix
EQIX
$105B
| $45.7M | 0.01% |
46,600
-4,800
| -9% | -$4.27M |
|
1433
Cheniere Energy
LNG
$55.4B
| $45.6M | 0.01% |
160,547
-15,944
| -9% | -$3.68M |
|
1434
Sphere Entertainment
SPHR
$6.33B
| $45.4M | 0.01% |
387,100
+365,042
| +1,655% | +$38.2M |
|
1435
CALL
Sumitomo Mitsui Financial
SMFG
$167B
| $45.4M | 0.01% |
2,297,800
-728,400
| -24% | -$15.3M |
|
1436
Weatherford International
WFRD
$6.65B
| $45.4M | 0.01% |
479,728
+444,728
| +1,271% | +$41.9M |
|
|
OS
1437
DELISTED
OneStream Inc
OS
| $45.4M | 0.01% |
1,890,118
-382,193
| -17% | -$8.96M |
|
1438
Viridian Therapeutics
VRDN
$2.49B
| $45.3M | 0.01% |
2,318,234
+1,638,540
| +241% | +$48.7M |
|
1439
CALL
Autodesk
ADSK
$52.7B
| $45.3M | 0.01% |
189,400
-35,400
| -16% | -$8.9M |
|
1440
PUT
Wayfair
W
$13.9B
| $45.3M | 0.01% |
602,800
-868,800
| -59% | -$78.6M |
|
1441
Par Pacific Holdings
PARR
$4.12B
| $45.2M | 0.01% |
721,657
-10,993
| -2% | -$492K |
|
1442
CALL
APA Corp
APA
$14B
| $45M | 0.01% |
1,060,000
-380,024
| -26% | -$11.5M |
|
1443
Archrock
AROC
$5.84B
| $44.9M | 0.01% |
1,289,586
-758,366
| -37% | -$24.2M |
|
1444
Crocs
CROX
$6.26B
| $44.8M | 0.01% |
539,314
-471,588
| -47% | -$40.4M |
|
1445
Ventas
VTR
$45.7B
| $44.8M | 0.01% |
547,353
-672,251
| -55% | -$55M |
|
1446
CALL
Generac Holdings
GNRC
$13.1B
| $44.8M | 0.01% |
229,100
+25,400
| +12% | +$4.88M |
|
1447
Clarivate
CLVT
$1.19B
| $44.7M | 0.01% |
17,686,947
+948,522
| +6% | +$2.43M |
|
1448
TE Connectivity
TEL
$62B
| $44.7M | 0.01% |
213,997
-839,444
| -80% | -$185M |
|
|
SLVR
1449
CALL
Sprott Silver Miners & Physical Silver ETF
SLVR
$746M
| $44.6M | 0.01% |
754,200
+707,900
| +1,529% | +$47.3M |
|
1450
SLB Ltd
SLB
$78.1B
| $44.6M | 0.01% |
868,134
-62,838
| -7% | -$3.05M |
|
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.