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 | |
|---|---|---|---|---|---|---|
2301
Inspire Medical Systems
INSP
$1.65B
| $20.3M | ﹤0.01% |
394,076
-117,242
| -23% | -$8.21M |
|
2302
CALL
abrdn Physical Palladium Shares ETF
PALL
$651M
| $20.3M | ﹤0.01% |
754,000
-122,000
| -14% | -$3.78M |
|
2303
PUT
Owens Corning
OC
$12.2B
| $20.3M | ﹤0.01% |
187,500
-54,400
| -22% | -$6.48M |
|
2304
Wheaton Precious Metals
WPM
$61B
| $20.3M | ﹤0.01% |
154,870
-5,947
| -4% | -$827K |
|
2305
PUT
Sphere Entertainment
SPHR
$6.03B
| $20.3M | ﹤0.01% |
172,700
-29,700
| -15% | -$3.11M |
|
2306
Tidewater
TDW
$4.69B
| $20.3M | ﹤0.01% |
242,371
+59,702
| +33% | +$4.15M |
|
2307
Cal-Maine
CALM
$3.8B
| $20.2M | ﹤0.01% |
255,434
+156,218
| +157% | +$12.8M |
|
2308
CarMax
KMX
$8.5B
| $20.2M | ﹤0.01% |
485,088
-13,283
| -3% | -$582K |
|
2309
ABM Industries
ABM
$2.82B
| $20.1M | ﹤0.01% |
521,939
+305,904
| +142% | +$13.2M |
|
2310
PUT
HubSpot
HUBS
$11.2B
| $20.1M | ﹤0.01% |
82,300
+14,000
| +20% | +$3.93M |
|
2311
Nutanix
NTNX
$18B
| $20.1M | ﹤0.01% |
528,252
-1,927,306
| -78% | -$81.2M |
|
2312
PUT
Planet Labs
PL
$8.8B
| $20M | ﹤0.01% |
717,300
-251,700
| -26% | -$6.43M |
|
2313
Nordson
NDSN
$17.2B
| $20M | ﹤0.01% |
75,282
-19,768
| -21% | -$5.44M |
|
2314
iShares Core 1-5 Year USD Bond ETF
ISTB
$5.13B
| $20M | ﹤0.01% |
413,258
+374,322
| +961% | +$18.2M |
|
2315
PUT
iShares MSCI ACWI ETF
ACWI
$33.6B
| $20M | ﹤0.01% |
144,700
+21,500
| +17% | +$3.09M |
|
2316
Realty Income
O
$59.4B
| $20M | ﹤0.01% |
327,262
-207,571
| -39% | -$13M |
|
|
QXO
2317
CALL
QXO Inc
QXO
$15.7B
| $20M | ﹤0.01% |
1,028,300
+187,000
| +22% | +$4.28M |
|
2318
SharkNinja
SN
$26.1B
| $20M | ﹤0.01% |
188,487
-87,834
| -32% | -$10.3M |
|
2319
CALL
Freshpet
FRPT
$3.5B
| $19.9M | ﹤0.01% |
337,700
-6,900
| -2% | -$485K |
|
2320
CALL
SGHC Ltd
SGHC
$6.76B
| $19.9M | ﹤0.01% |
1,839,200
+1,271,600
| +224% | +$13M |
|
2321
Descartes Systems
DSGX
$6.62B
| $19.8M | ﹤0.01% |
277,244
-53,780
| -16% | -$3.97M |
|
2322
PUT
Interactive Brokers
IBKR
$41.7B
| $19.8M | ﹤0.01% |
295,500
-963,200
| -77% | -$68.8M |
|
2323
CALL
Equinor
EQNR
$96.8B
| $19.8M | ﹤0.01% |
469,600
+126,500
| +37% | +$3.81M |
|
2324
STAAR Surgical
STAA
$1.31B
| $19.8M | ﹤0.01% |
1,059,428
+854,309
| +416% | +$16.3M |
|
2325
PUT
Abercrombie & Fitch
ANF
$4.8B
| $19.8M | ﹤0.01% |
216,800
-635,400
| -75% | -$61.8M |
|
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.