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 | |
|---|---|---|---|---|---|---|
2401
FIGS
FIGS
$2.44B
| $18.3M | ﹤0.01% |
1,240,143
+1,083,018
| +689% | +$13.9M |
|
2402
PUT
Plains GP Holdings
PAGP
$5.11B
| $18.3M | ﹤0.01% |
753,800
+25,800
| +4% | +$563K |
|
2403
CALL
RELX
RELX
$60B
| $18.3M | ﹤0.01% |
551,400
+228,600
| +71% | +$8.04M |
|
2404
PJT Partners
PJT
$4.46B
| $18.2M | ﹤0.01% |
130,502
+73,170
| +128% | +$11.5M |
|
2405
PUT
Antero Resources
AR
$11.5B
| $18.2M | ﹤0.01% |
429,400
-118,700
| -22% | -$4.33M |
|
2406
Immatics
IMTX
$1.29B
| $18.2M | ﹤0.01% |
1,851,963
+137,002
| +8% | +$1.34M |
|
2407
CGI
GIB
$15.2B
| $18.2M | ﹤0.01% |
249,108
+135,662
| +120% | +$10.8M |
|
2408
PUT
ProShares UltraPro Short Dow 30
SDOW
$186M
| $18.2M | ﹤0.01% |
517,175
-150,800
| -23% | -$4.73M |
|
2409
HEICO Corp Class A
HEI.A
$38.4B
| $18.2M | ﹤0.01% |
86,258
+67,808
| +368% | +$16.7M |
|
2410
CALL
Markel Group
MKL
$22.9B
| $18.2M | ﹤0.01% |
9,500
-5,100
| -35% | -$10.4M |
|
2411
Toronto Dominion Bank
TD
$205B
| $18.2M | ﹤0.01% |
194,769
+130,693
| +204% | +$12.4M |
|
2412
PUT
Kratos Defense & Security Solutions
KTOS
$12.1B
| $18.2M | ﹤0.01% |
257,600
-233,400
| -48% | -$22.4M |
|
2413
CALL
Whirlpool
WHR
$2.7B
| $18.2M | ﹤0.01% |
336,800
-95,800
| -22% | -$7.03M |
|
2414
Advance Auto Parts
AAP
$3.41B
| $18.1M | ﹤0.01% |
343,988
+241,608
| +236% | +$12.1M |
|
2415
PUT
Chubb
CB
$133B
| $18.1M | ﹤0.01% |
55,600
-131,800
| -70% | -$42.3M |
|
|
PSKY
2416
CALL
Paramount Skydance Corp
PSKY
$11.4B
| $18.1M | ﹤0.01% |
2,008,700
-222,027
| -10% | -$2.43M |
|
2417
PUT
ProShares UltraPro Dow 30
UDOW
$924M
| $18.1M | ﹤0.01% |
361,000
+146,700
| +68% | +$8.58M |
|
2418
CALL
Fidelity National Information Services
FIS
$22.1B
| $18.1M | ﹤0.01% |
384,900
-188,900
| -33% | -$10.2M |
|
2419
PUT
L3Harris
LHX
$54.3B
| $18.1M | ﹤0.01% |
52,300
-100
| -0.2% | -$34.9K |
|
2420
Pacira BioSciences
PCRX
$917M
| $18M | ﹤0.01% |
797,281
-22,487
| -3% | -$500K |
|
2421
CALL
Bilibili
BILI
$7.3B
| $18M | ﹤0.01% |
798,600
+103,000
| +15% | +$2.97M |
|
2422
CALL
Schwab US Dividend Equity ETF
SCHD
$108B
| $18M | ﹤0.01% |
587,100
+163,900
| +39% | +$4.97M |
|
2423
CALL
J.M. Smucker
SJM
$13B
| $18M | ﹤0.01% |
186,500
+102,100
| +121% | +$10.7M |
|
2424
Fair Isaac
FICO
$23.5B
| $18M | ﹤0.01% |
16,845
+4,157
| +33% | +$5.7M |
|
2425
CNX Resources
CNX
$5.28B
| $18M | ﹤0.01% |
466,411
+147,684
| +46% | +$5.76M |
|
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.