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 | |
|---|---|---|---|---|---|---|
|
GMHS
12501
Gamehaus Holdings
GMHS
$40.2M
| $32.5K | ﹤0.01% |
36,536
+21,217
| +139% | +$21.5K |
|
12502
CALL
Arena Group
AREN
$56.7M
| $32.3K | ﹤0.01% |
14,900
-4,000
| -21% | -$13.3K |
|
12503
Cheetah Net Supply Chain Service
CTNT
$5.18M
| $32.2K | ﹤0.01% |
108
-122
| -53% | -$33K |
|
|
MRAL
12504
PUT
GraniteShares 2x Long MARA Daily ETF
MRAL
$28.6M
| $32.1K | ﹤0.01% |
1,120
-100
| -8% | -$4.16K |
|
|
EM
12505
DELISTED
Smart Share Global Ltd
EM
| $32.1K | ﹤0.01% |
28,367
-157,368
| -85% | -$180K |
|
|
FFAI
12506
CALL
Faraday Future Intelligent Electric
FFAI
$12M
| $32K | ﹤0.01% |
777
-5,486
| -88% | -$567K |
|
12507
CALL
Talphera
TLPH
$62.8M
| $31.9K | ﹤0.01% |
42,700
+29,500
| +223% | +$26.7K |
|
12508
Prospect Capital
PSEC
$1.18B
| $31.9K | ﹤0.01% |
12,204
-40,495
| -77% | -$111K |
|
|
MGF
12509
Aberdeen Government Markets Income Fund
MGF
$92.9M
| $31.6K | ﹤0.01% |
+10,748
| New | +$32.2K |
|
12510
Asia Pacific Wire & Cable
APWC
$61.8M
| $31.5K | ﹤0.01% |
23,146
+4,917
| +27% | +$7.98K |
|
12511
CALL
Globus Maritime Ltd
GLBS
$80.3M
| $31.4K | ﹤0.01% |
+13,600
| New | +$24.1K |
|
12512
SunCar Technology Group
SDA
$76.6M
| $31.4K | ﹤0.01% |
+18,458
| New | +$36.9K |
|
12513
CALL
BRC Inc
BRCC
$212M
| $31.4K | ﹤0.01% |
40,400
+9,400
| +30% | +$7.92K |
|
12514
Rekor Systems
REKR
$97.6M
| $31.3K | ﹤0.01% |
38,190
-432,826
| -92% | -$464K |
|
12515
Ensysce Biosciences
ENSC
$5.35M
| $30.9K | ﹤0.01% |
+57,363
| New | +$36.4K |
|
12516
CALL
Beam Global
BEEM
$25.5M
| $30.9K | ﹤0.01% |
+21,000
| New | +$33.1K |
|
12517
CALL
Myomo
MYO
$57.8M
| $30.5K | ﹤0.01% |
45,200
+9,600
| +27% | +$7.87K |
|
|
AIDX
12518
20/20 Biolabs Inc
AIDX
$6.35M
| $30.5K | ﹤0.01% |
+16,227
| New | +$68.5K |
|
12519
CALL
Zentalis Pharmaceuticals
ZNTL
$297M
| $30.4K | ﹤0.01% |
+13,000
| New | +$33.6K |
|
12520
InMed Pharmaceuticals
INM
$7.64M
| $30.3K | ﹤0.01% |
+46,973
| New | +$44.3K |
|
12521
PUT
Neonode
NEON
$14.8M
| $30.1K | ﹤0.01% |
21,500
-95,200
| -82% | -$165K |
|
12522
Alaunos Therapeutics
TCRT
$4.86M
| $30.1K | ﹤0.01% |
+10,519
| New | +$31.5K |
|
12523
CALL
Sera Prognostics
SERA
$78.7M
| $30K | ﹤0.01% |
+14,800
| New | +$38.1K |
|
|
CHGA
12524
Change Agents Corporation Common Stock
CHGA
$2.94M
| $29.8K | ﹤0.01% |
+56,184
| New | +$46.6K |
|
|
ORGN
12525
DELISTED
Origin Materials
ORGN
| $29.8K | ﹤0.01% |
13,055
-31,525
| -71% | -$155K |
|
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.