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 | |
|---|---|---|---|---|---|---|
2426
Parsons
PSN
$5.12B
| $18M | ﹤0.01% |
331,810
-14,640
| -4% | -$935K |
|
2427
PUT
Paychex
PAYX
$43.4B
| $18M | ﹤0.01% |
195,100
+88,000
| +82% | +$8.71M |
|
2428
CALL
First Horizon
FHN
$12.4B
| $18M | ﹤0.01% |
789,400
-377,900
| -32% | -$9.04M |
|
2429
CALL
Archer Aviation
ACHR
$5.1B
| $18M | ﹤0.01% |
3,472,900
-2,002,700
| -37% | -$14.3M |
|
2430
Revolve Group
RVLV
$1.68B
| $17.9M | ﹤0.01% |
793,514
-140,917
| -15% | -$3.7M |
|
2431
PUT
PBF Energy
PBF
$8.52B
| $17.9M | ﹤0.01% |
376,600
-364,500
| -49% | -$13.7M |
|
2432
CleanSpark
CLSK
$3.1B
| $17.9M | ﹤0.01% |
+2,104,687
| New | +$22.5M |
|
2433
Insperity
NSP
$1.99B
| $17.9M | ﹤0.01% |
662,341
+180,196
| +37% | +$5.8M |
|
2434
Moog Inc Class A
MOG.A
$14B
| $17.9M | ﹤0.01% |
61,198
+35,579
| +139% | +$10.9M |
|
2435
Wolverine World Wide
WWW
$1.73B
| $17.9M | ﹤0.01% |
1,096,512
+1,024,944
| +1,432% | +$18.1M |
|
2436
Qualys
QLYS
$6.44B
| $17.9M | ﹤0.01% |
203,530
+160,326
| +371% | +$17.8M |
|
2437
CALL
Flutter Entertainment
FLUT
$17.6B
| $17.9M | ﹤0.01% |
175,200
+56,300
| +47% | +$8.11M |
|
2438
CALL
CMS Energy
CMS
$22.3B
| $17.9M | ﹤0.01% |
230,100
-94,200
| -29% | -$6.99M |
|
|
SEZL
2439
CALL
Sezzle
SEZL
$4.34B
| $17.8M | ﹤0.01% |
281,700
+101,400
| +56% | +$6.91M |
|
2440
Doximity
DOCS
$4.42B
| $17.8M | ﹤0.01% |
763,836
-1,669,545
| -69% | -$52M |
|
2441
Enovis
ENOV
$1.5B
| $17.8M | ﹤0.01% |
781,761
+546,383
| +232% | +$12.9M |
|
|
WLTH
2442
Wealthfront Corp
WLTH
$1.37B
| $17.8M | ﹤0.01% |
1,921,790
+1,046,790
| +120% | +$9.57M |
|
|
VG
2443
PUT
Venture Global Inc
VG
$35B
| $17.8M | ﹤0.01% |
1,127,200
-75,400
| -6% | -$808K |
|
|
ALH
2444
Alliance Laundry Holdings
ALH
$5.06B
| $17.7M | ﹤0.01% |
855,452
-1,069,548
| -56% | -$23.3M |
|
2445
PUT
UBS Group
UBS
$176B
| $17.7M | ﹤0.01% |
454,000
+120,900
| +36% | +$5.17M |
|
2446
CALL
Daktronics
DAKT
$986M
| $17.7M | ﹤0.01% |
907,300
+884,700
| +3,915% | +$20.2M |
|
2447
Avantis Emerging Markets Equity ETF
AVEM
$26.9B
| $17.7M | ﹤0.01% |
220,107
-62,215
| -22% | -$5.17M |
|
2448
PUT
Deckers Outdoor
DECK
$12.7B
| $17.7M | ﹤0.01% |
177,100
-363,600
| -67% | -$39M |
|
2449
PUT
Nice
NICE
$5.99B
| $17.7M | ﹤0.01% |
160,400
-220,600
| -58% | -$25.2M |
|
2450
PUT
ProShares UltraPro Short S&P 500
SPXU
$380M
| $17.7M | ﹤0.01% |
311,375
-291,960
| -48% | -$14.8M |
|
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.