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 | |
|---|---|---|---|---|---|---|
|
NUAI
5326
CALL
New Era Energy & Digital Inc
NUAI
$506M
| $2.86M | ﹤0.01% |
705,200
+638,800
| +962% | +$3.2M |
|
5327
PUT
Northern Oil and Gas
NOG
$2.61B
| $2.86M | ﹤0.01% |
97,900
+18,400
| +23% | +$476K |
|
5328
PUT
Leidos
LDOS
$17.9B
| $2.86M | ﹤0.01% |
18,400
-4,100
| -18% | -$736K |
|
5329
PUT
ProShares UltraPro Russell2000
URTY
$363M
| $2.86M | ﹤0.01% |
55,500
+16,700
| +43% | +$1,000K |
|
|
OBE
5330
CALL
Obsidian Energy
OBE
$697M
| $2.86M | ﹤0.01% |
302,100
+146,000
| +94% | +$1.12M |
|
|
INR
5331
Infinity Natural Resources
INR
$256M
| $2.86M | ﹤0.01% |
162,458
+56,952
| +54% | +$929K |
|
|
RPC
5332
Ridgepost Capital
RPC
$988M
| $2.86M | ﹤0.01% |
393,994
+128,864
| +49% | +$1.17M |
|
|
LB
5333
CALL
LandBridge Co
LB
$2.1B
| $2.86M | ﹤0.01% |
41,400
+7,200
| +21% | +$458K |
|
5334
Qfin Holdings
QFIN
$1.52B
| $2.85M | ﹤0.01% |
221,117
+58,459
| +36% | +$899K |
|
5335
PUT
Goldman Sachs ETF Trust Goldman Sachs S&P 500 Premium Income ETF
GPIX
$5.25B
| $2.85M | ﹤0.01% |
57,000
+44,900
| +371% | +$2.34M |
|
5336
CALL
ADMA Biologics
ADMA
$2.11B
| $2.85M | ﹤0.01% |
316,500
+55,200
| +21% | +$871K |
|
5337
CALL
AutoNation
AN
$6.89B
| $2.85M | ﹤0.01% |
14,600
-36,900
| -72% | -$7.45M |
|
|
GPGI
5338
CALL
GPGI Inc
GPGI
$3.75B
| $2.85M | ﹤0.01% |
166,500
+133,400
| +403% | +$2.89M |
|
5339
PUT
Agios Pharmaceuticals
AGIO
$2B
| $2.85M | ﹤0.01% |
84,100
-125,600
| -60% | -$3.56M |
|
5340
O-I Glass
OI
$1.05B
| $2.84M | ﹤0.01% |
270,622
-990,880
| -79% | -$13.6M |
|
5341
Kforce
KFRC
$1.08B
| $2.84M | ﹤0.01% |
97,229
-55,573
| -36% | -$1.69M |
|
5342
PUT
2x Long VIX Futures ETF
UVIX
$204M
| $2.84M | ﹤0.01% |
16,406
+4,433
| +37% | +$596K |
|
|
MRP
5343
PUT
Millrose Properties Inc
MRP
$5.02B
| $2.84M | ﹤0.01% |
101,400
-43,350
| -30% | -$1.31M |
|
5344
CALL
ICICI Bank
IBN
$106B
| $2.84M | ﹤0.01% |
109,600
+11,500
| +12% | +$337K |
|
5345
CALL
Apogee Therapeutics
APGE
$10.2B
| $2.84M | ﹤0.01% |
33,700
+19,500
| +137% | +$1.42M |
|
5346
CALL
Bankunited
BKU
$3.41B
| $2.84M | ﹤0.01% |
+62,800
| New | +$2.93M |
|
5347
John B. Sanfilippo & Son
JBSS
$1.01B
| $2.83M | ﹤0.01% |
35,734
+12,307
| +53% | +$947K |
|
5348
CALL
Marriott Vacations Worldwide
VAC
$4.17B
| $2.83M | ﹤0.01% |
43,500
+14,700
| +51% | +$911K |
|
5349
PUT
First Trust Dow Jones Internet Index Fund ETF
FDN
$5.45B
| $2.83M | ﹤0.01% |
12,100
+2,500
| +26% | +$623K |
|
5350
Direxion Daily NVDA Bear 1X ETF
NVDD
$19.4M
| $2.83M | ﹤0.01% |
70,367
+5,780
| +9% | +$224K |
|
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.