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 | |
|---|---|---|---|---|---|---|
5451
CALL
Ligand Pharmaceuticals
LGND
$5.76B
| $2.68M | ﹤0.01% |
13,400
+6,000
| +81% | +$1.19M |
|
5452
PUT
Repligen
RGEN
$9.45B
| $2.67M | ﹤0.01% |
22,700
+11,300
| +99% | +$1.58M |
|
5453
iShares 0-5 Year Investment Grade Corporate Bond ETF
SLQD
$2.38B
| $2.67M | ﹤0.01% |
+52,933
| New | +$2.68M |
|
5454
PUT
Dianthus Therapeutics
DNTH
$6.13B
| $2.67M | ﹤0.01% |
31,800
+21,000
| +194% | +$1.22M |
|
5455
First Trust Indxx Aerospace & Defense ETF
MISL
$803M
| $2.67M | ﹤0.01% |
59,626
+53,238
| +833% | +$2.57M |
|
5456
iShares Broad USD Investment Grade Corporate Bond ETF
USIG
$17.4B
| $2.67M | ﹤0.01% |
+52,033
| New | +$2.69M |
|
5457
CALL
Iovance Biotherapeutics
IOVA
$2.95B
| $2.66M | ﹤0.01% |
759,000
+151,400
| +25% | +$484K |
|
5458
Eton Pharmaceutcials
ETON
$1.12B
| $2.66M | ﹤0.01% |
107,815
+33,671
| +45% | +$589K |
|
5459
CALL
Iridium Communications
IRDM
$5.27B
| $2.66M | ﹤0.01% |
95,900
+45,600
| +91% | +$1.03M |
|
5460
iShares iBonds Dec 2030 Term Treasury ETF
IBTK
$1B
| $2.66M | ﹤0.01% |
134,892
+77,704
| +136% | +$1.54M |
|
5461
CALL
Fiverr
FVRR
$324M
| $2.66M | ﹤0.01% |
265,200
+99,500
| +60% | +$1.37M |
|
5462
Vor Biopharma
VOR
$1.38B
| $2.65M | ﹤0.01% |
148,768
-285,126
| -66% | -$4.02M |
|
5463
CALL
Rhythm Pharmaceuticals
RYTM
$7.99B
| $2.65M | ﹤0.01% |
30,500
-7,400
| -20% | -$720K |
|
|
EUAD
5464
PUT
Select STOXX Europe Aerospace & Defense ETF
EUAD
$1.24B
| $2.65M | ﹤0.01% |
65,100
+39,200
| +151% | +$1.77M |
|
5465
CALL
Dropbox
DBX
$7.81B
| $2.65M | ﹤0.01% |
116,700
-29,400
| -20% | -$747K |
|
5466
PUT
Globant
GLOB
$1.77B
| $2.65M | ﹤0.01% |
57,500
-102,100
| -64% | -$5.64M |
|
|
FWDI
5467
Forward Industries Inc
FWDI
$305M
| $2.65M | ﹤0.01% |
598,284
+187,500
| +46% | +$1.07M |
|
5468
MicroSectors FANG+ ETNs due Jan 8 2038
FNGS
$608M
| $2.65M | ﹤0.01% |
44,453
-28,076
| -39% | -$1.79M |
|
5469
Mitek Systems
MITK
$853M
| $2.65M | ﹤0.01% |
196,046
+4,864
| +3% | +$60.2K |
|
5470
Tronox
TROX
$958M
| $2.65M | ﹤0.01% |
270,891
-433,606
| -62% | -$3.01M |
|
|
OAKG
5471
Oakmark Global Large Cap ETF
OAKG
$38M
| $2.65M | ﹤0.01% |
109,114
-51,329
| -32% | -$1.32M |
|
5472
PUT
Lennox International
LII
$14.5B
| $2.65M | ﹤0.01% |
5,700
+300
| +6% | +$154K |
|
5473
Stock Yards Bancorp
SYBT
$2.64B
| $2.64M | ﹤0.01% |
39,879
+5,267
| +15% | +$351K |
|
5474
Fidelity Fundamental Large Cap Value ETF
FFLV
$16.8M
| $2.64M | ﹤0.01% |
105,939
-33,378
| -24% | -$849K |
|
5475
Karat Packaging
KRT
$953M
| $2.64M | ﹤0.01% |
94,575
+51,971
| +122% | +$1.31M |
|
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.