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 | |
|---|---|---|---|---|---|---|
2501
TMC The Metals Company
TMC
$1.77B
| $16.9M | ﹤0.01% |
3,625,901
+3,363,111
| +1,280% | +$21.7M |
|
2502
Sibanye-Stillwater
SBSW
$7.62B
| $16.9M | ﹤0.01% |
1,373,368
+1,089,740
| +384% | +$17M |
|
|
SEI
2503
PUT
Solaris Energy Infrastructure
SEI
$4.17B
| $16.9M | ﹤0.01% |
299,400
+158,800
| +113% | +$8.59M |
|
2504
National Vision
EYE
$1.53B
| $16.9M | ﹤0.01% |
652,868
-29,826
| -4% | -$810K |
|
2505
KE Holdings
BEKE
$18.8B
| $16.9M | ﹤0.01% |
1,129,170
+309,432
| +38% | +$5.31M |
|
2506
Monster Beverage
MNST
$91.7B
| $16.9M | ﹤0.01% |
466,462
-4,732,066
| -91% | -$187M |
|
2507
PUT
Novartis
NVS
$287B
| $16.9M | ﹤0.01% |
110,600
-77,800
| -41% | -$11.9M |
|
2508
Unilever
UL
$134B
| $16.9M | ﹤0.01% |
+296,076
| New | +$19.8M |
|
2509
H.B. Fuller
FUL
$3.38B
| $16.9M | ﹤0.01% |
273,364
+199,512
| +270% | +$12.2M |
|
2510
PUT
Wingstop
WING
$3.44B
| $16.9M | ﹤0.01% |
108,800
-72,000
| -40% | -$17.3M |
|
2511
CALL
BJs Wholesale Club
BJ
$11.9B
| $16.8M | ﹤0.01% |
171,200
-500
| -0.3% | -$48.2K |
|
2512
Enviri
NVRI
$579M
| $16.8M | ﹤0.01% |
858,281
+108,661
| +14% | +$2.02M |
|
2513
Albany International
AIN
$1.84B
| $16.8M | ﹤0.01% |
322,473
+129,821
| +67% | +$7.28M |
|
2514
Lyft
LYFT
$6.62B
| $16.8M | ﹤0.01% |
1,265,401
-2,597,688
| -67% | -$40.2M |
|
|
2515
CALL
Wingstop
WING
$3.44B
| $16.8M | ﹤0.01% |
108,500
-61,400
| -36% | -$14.8M |
|
|
KRMN
2516
PUT
Karman Holdings
KRMN
$8.22B
| $16.8M | ﹤0.01% |
210,000
+85,100
| +68% | +$8.21M |
|
2517
CALL
Amdocs
DOX
$6.18B
| $16.8M | ﹤0.01% |
257,300
+252,800
| +5,618% | +$18.5M |
|
2518
PUT
SiriusXM
SIRI
$9.59B
| $16.8M | ﹤0.01% |
726,300
-122,740
| -14% | -$2.64M |
|
|
P
2519
CALL
Everpure Inc
P
$39.3B
| $16.8M | ﹤0.01% |
283,900
-166,100
| -37% | -$11.3M |
|
2520
Donaldson
DCI
$11.1B
| $16.7M | ﹤0.01% |
197,300
+110,049
| +126% | +$10.6M |
|
2521
CALL
Alnylam Pharmaceuticals
ALNY
$30.6B
| $16.7M | ﹤0.01% |
50,600
-7,100
| -12% | -$2.42M |
|
|
FITB
2522
Fifth Third Bancorp
FITB
$52.7B
| $16.7M | ﹤0.01% |
360,340
+212,736
| +144% | +$10.5M |
|
2523
Aramark
ARMK
$16.4B
| $16.7M | ﹤0.01% |
412,704
+334,753
| +429% | +$13.3M |
|
2524
PUT
ProShares Ultra Gold
UGL
$801M
| $16.7M | ﹤0.01% |
271,900
+234,300
| +623% | +$16.1M |
|
2525
CALL
Scorpio Tankers
STNG
$3.98B
| $16.7M | ﹤0.01% |
223,800
+7,600
| +4% | +$509K |
|
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.