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 | |
|---|---|---|---|---|---|---|
|
GHG
12301
GreenTree Hospitality
GHG
$111M
| $57.8K | ﹤0.01% |
45,838
+13,612
| +42% | +$19.6K |
|
12302
PUT
Future Fuel
FF
$249M
| $57.8K | ﹤0.01% |
+15,000
| New | +$56.3K |
|
|
SNBR
12303
CALL
DELISTED
Sleep Number
SNBR
| $57.6K | ﹤0.01% |
32,100
-18,100
| -36% | -$136K |
|
12304
CALL
AC Immune
ACIU
$262M
| $57.5K | ﹤0.01% |
20,900
-29,600
| -59% | -$91.9K |
|
12305
Neonode
NEON
$14.8M
| $57.3K | ﹤0.01% |
40,949
+30,877
| +307% | +$53.4K |
|
12306
PUT
Veru
VERU
$46M
| $56.6K | ﹤0.01% |
25,600
+4,900
| +24% | +$11.9K |
|
12307
CALL
Red Robin
RRGB
$183M
| $56.5K | ﹤0.01% |
+19,300
| New | +$72.5K |
|
12308
CALL
ZipRecruiter
ZIP
$388M
| $56.3K | ﹤0.01% |
30,600
-30,700
| -50% | -$75.3K |
|
|
CYPH
12309
PUT
Cypherpunk Technologies Inc
CYPH
$69.8M
| $56.3K | ﹤0.01% |
70,800
+29,800
| +73% | +$23K |
|
12310
PUT
Gossamer Bio
GOSS
$83.3M
| $56.2K | ﹤0.01% |
171,200
-100
| -0.1% | -$157 |
|
12311
CALL
Protalix BioTherapeutics
PLX
$190M
| $56.2K | ﹤0.01% |
25,900
+8,900
| +52% | +$22.1K |
|
12312
FingerMotion
FNGR
$16.9M
| $56.2K | ﹤0.01% |
+56,448
| New | +$67.4K |
|
12313
PMV Pharmaceuticals
PMVP
$65.1M
| $55.9K | ﹤0.01% |
45,048
-73,545
| -62% | -$93.5K |
|
|
EMPD
12314
CALL
Empery Digital
EMPD
$79.6M
| $55.8K | ﹤0.01% |
+13,200
| New | +$57.1K |
|
12315
Pyxis Tankers
PXS
$52.5M
| $55.8K | ﹤0.01% |
13,161
-42,174
| -76% | -$154K |
|
12316
CALL
Lineage Cell Therapeutics
LCTX
$268M
| $55.8K | ﹤0.01% |
35,300
+22,800
| +182% | +$38.4K |
|
|
SRTA
12317
PUT
Strata Critical Medical Inc
SRTA
$528M
| $55.6K | ﹤0.01% |
13,300
-1,100
| -8% | -$5.29K |
|
12318
Performance Shipping
PSHG
$21.5M
| $55.4K | ﹤0.01% |
30,134
+18,706
| +164% | +$39.1K |
|
12319
CALL
Blue Ridge Bankshares
BRBS
$336M
| $55.4K | ﹤0.01% |
+13,200
| New | +$55.2K |
|
|
JF
12320
J and Friends Holdings
JF
$17.8M
| $55.4K | ﹤0.01% |
+60,245
| New | +$57.9K |
|
12321
CALL
Tilly's
TLYS
$122M
| $54.7K | ﹤0.01% |
13,500
-17,500
| -56% | -$35.3K |
|
12322
PUT
Westwater Resources
WWR
$75.2M
| $54.6K | ﹤0.01% |
83,500
-94,600
| -53% | -$85.2K |
|
12323
Singularity Future Technology
SGLY
$4.92M
| $54.6K | ﹤0.01% |
+9,374
| New | +$65.2K |
|
12324
PUT
NetSol Technologies
NTWK
$49.3M
| $54.6K | ﹤0.01% |
16,100
+1,900
| +13% | +$6.34K |
|
12325
CALL
Anixa Biosciences
ANIX
$109M
| $54.2K | ﹤0.01% |
+21,000
| New | +$62.2K |
|
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.