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 | |
|---|---|---|---|---|---|---|
12326
CALL
TherapeuticsMD
TXMD
$24.1M
| $54.1K | ﹤0.01% |
26,800
+6,200
| +30% | +$13.9K |
|
12327
Cumberland Pharmaceuticals
CPIX
$118M
| $54.1K | ﹤0.01% |
16,643
-5,314
| -24% | -$20.5K |
|
|
FARM
12328
DELISTED
Farmer Brothers
FARM
| $53.8K | ﹤0.01% |
+42,369
| New | +$61.9K |
|
|
BLIV
12329
BeLive Holdings
BLIV
$25.3M
| $53.8K | ﹤0.01% |
22,224
-193
| -0.9% | -$590 |
|
|
HUIZ
12330
Huize Holding Ltd
HUIZ
$13M
| $53.5K | ﹤0.01% |
+43,476
| New | +$86.2K |
|
|
PPSI
12331
CALL
Pioneer Power Solutions
PPSI
$33.5M
| $53.3K | ﹤0.01% |
+16,400
| New | +$66.3K |
|
|
HIT
12332
Health In Tech Inc
HIT
$69.5M
| $53.1K | ﹤0.01% |
36,632
+21,589
| +144% | +$31.4K |
|
12333
Tilly's
TLYS
$122M
| $53.1K | ﹤0.01% |
13,100
-46,577
| -78% | -$94.1K |
|
|
FIRY
12334
CALL
Firy Inc
FIRY
$158M
| $52.8K | ﹤0.01% |
20,400
+2,400
| +13% | +$8.57K |
|
12335
United Maritime
USEA
$25.8M
| $52.8K | ﹤0.01% |
26,142
-55,604
| -68% | -$106K |
|
12336
CALL
Diana Shipping
DSX
$307M
| $52.8K | ﹤0.01% |
+21,100
| New | +$48.4K |
|
12337
PUT
Spero Therapeutics
SPRO
$71.8M
| $52.6K | ﹤0.01% |
22,500
-50,600
| -69% | -$120K |
|
12338
CALL
NRX Pharmaceuticals
NRXP
$143M
| $52.6K | ﹤0.01% |
24,700
-11,100
| -31% | -$22.4K |
|
|
CMRC
12339
PUT
Commerce.com Inc Series 1
CMRC
$184M
| $52.6K | ﹤0.01% |
19,700
-31,200
| -61% | -$97K |
|
12340
CALL
DocGo
DCGO
$64.5M
| $52.5K | ﹤0.01% |
83,500
-52,600
| -39% | -$39.6K |
|
12341
Siebert Financial
SIEB
$78.1M
| $52.5K | ﹤0.01% |
+27,345
| New | +$68.5K |
|
12342
PUT
Evolent Health
EVH
$527M
| $52.4K | ﹤0.01% |
23,000
-31,700
| -58% | -$101K |
|
|
NNDM
12343
PUT
Nano Dimension
NNDM
$348M
| $52.4K | ﹤0.01% |
30,800
-539,700
| -95% | -$983K |
|
|
AACG
12344
ATA Creativity
AACG
$48M
| $52.2K | ﹤0.01% |
59,965
-11,820
| -16% | -$11.5K |
|
12345
PUT
Voyager Therapeutics
VYGR
$198M
| $52.1K | ﹤0.01% |
+13,500
| New | +$53.1K |
|
|
NIPG
12346
NIP Group Inc
NIPG
$69.6M
| $52.1K | ﹤0.01% |
2,662
-417
| -14% | -$11.6K |
|
12347
CALL
Investcorp Credit Management BDC
ICMB
$11.9M
| $51.8K | ﹤0.01% |
+32,000
| New | +$84.5K |
|
|
BLSG
12348
CALL
Leverage Shares 2X Long BLSH Daily ETF
BLSG
$2.01M
| $51.8K | ﹤0.01% |
+10,600
| New | +$54.8K |
|
|
TRVG
12349
CALL
trivago
TRVG
$365M
| $51.8K | ﹤0.01% |
+19,100
| New | +$54.7K |
|
12350
PUT
PSQ Holdings
PSQH
$14.1M
| $51.2K | ﹤0.01% |
6,440
-3,573
| -36% | -$42.4K |
|
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.