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 | |
|---|---|---|---|---|---|---|
5526
CALL
Sprott Junior Uranium Miners ETF
URNJ
$359M
| $2.57M | ﹤0.01% |
87,600
+62,300
| +246% | +$2M |
|
|
HSHP
5527
Himalaya Shipping
HSHP
$734M
| $2.56M | ﹤0.01% |
192,772
+146,441
| +316% | +$1.71M |
|
5528
Smith & Nephew
SNN
$12.6B
| $2.56M | ﹤0.01% |
80,617
+34,463
| +75% | +$1.17M |
|
5529
Alarm.com
ALRM
$2.74B
| $2.56M | ﹤0.01% |
59,308
+14,778
| +33% | +$705K |
|
5530
PUT
SS&C Technologies
SSNC
$19.3B
| $2.56M | ﹤0.01% |
37,900
+34,700
| +1,084% | +$2.67M |
|
5531
State Street DoubleLine Short Duration Total Return Tactical ETF
STOT
$507M
| $2.56M | ﹤0.01% |
+54,317
| New | +$2.57M |
|
5532
State Street SPDR S&P Telecom ETF
XTL
$555M
| $2.56M | ﹤0.01% |
13,598
+11,915
| +708% | +$2.09M |
|
5533
CALL
Vanguard Total International Bond ETF
BNDX
$83B
| $2.56M | ﹤0.01% |
53,200
+31,800
| +149% | +$1.54M |
|
5534
Prudential
PUK
$34.5B
| $2.56M | ﹤0.01% |
89,886
-56,526
| -39% | -$1.74M |
|
|
PLTU
5535
CALL
Direxion Daily PLTR Bull 2X ETF
PLTU
$639M
| $2.55M | ﹤0.01% |
57,400
+54,300
| +1,752% | +$2.84M |
|
5536
CALL
Direxion NASDAQ-100 Equal Weighted Index ETF
QQQE
$1.45B
| $2.55M | ﹤0.01% |
25,900
+23,100
| +825% | +$2.37M |
|
|
PVLA
5537
Palvella Therapeutics
PVLA
$2.26B
| $2.55M | ﹤0.01% |
20,472
+17,836
| +677% | +$1.86M |
|
5538
Knowles
KN
$3.23B
| $2.55M | ﹤0.01% |
99,319
-123,644
| -55% | -$3.13M |
|
5539
WisdomTree Emerging Markets ex-State-Owned Enterprises Fund
XSOE
$2.12B
| $2.55M | ﹤0.01% |
63,570
-56,424
| -47% | -$2.35M |
|
5540
CALL
Littelfuse
LFUS
$11.4B
| $2.55M | ﹤0.01% |
+7,500
| New | +$2.43M |
|
5541
FlexShares iBoxx 3-Year Target Duration TIPS Index Fund
TDTT
$2.53B
| $2.54M | ﹤0.01% |
104,930
+10,766
| +11% | +$260K |
|
5542
PUT
Universal Health Services
UHS
$10.1B
| $2.54M | ﹤0.01% |
14,200
-45,300
| -76% | -$9.31M |
|
|
OPPE
5543
WisdomTree European Opportunities Fund
OPPE
$296M
| $2.54M | ﹤0.01% |
+47,294
| New | +$2.54M |
|
5544
Protolabs
PRLB
$2.21B
| $2.54M | ﹤0.01% |
44,518
+32,057
| +257% | +$1.86M |
|
5545
Upwork
UPWK
$1.08B
| $2.54M | ﹤0.01% |
231,484
+200,359
| +644% | +$3.15M |
|
5546
1st Source
SRCE
$2.13B
| $2.54M | ﹤0.01% |
36,655
+26,071
| +246% | +$1.76M |
|
5547
Winnebago Industries
WGO
$921M
| $2.54M | ﹤0.01% |
81,848
+8,203
| +11% | +$342K |
|
5548
Tema Oncology ETF
CANC
$204M
| $2.54M | ﹤0.01% |
+69,106
| New | +$2.52M |
|
5549
Franklin Investment Grade Corporate ETF
FLCO
$558M
| $2.54M | ﹤0.01% |
118,382
+108,178
| +1,060% | +$2.34M |
|
5550
PUT
Eastman Chemical
EMN
$8.43B
| $2.53M | ﹤0.01% |
33,200
-65,400
| -66% | -$4.71M |
|
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.