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
|
+$9.91B |
| 2 |
SPCX
SpaceX
SPCX
|
+$871M |
| 3 |
Eli Lilly
LLY
|
+$719M |
| 4 |
Amazon
AMZN
|
+$698M |
| 5 |
Netflix
NFLX
|
+$627M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Micron Technology
MU
|
+$3B |
| 2 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$1.54B |
| 3 |
TSMC
TSM
|
+$1.42B |
| 4 |
NVIDIA
NVDA
|
+$1.41B |
| 5 |
SNDK
Sandisk
SNDK
|
+$771M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 3.92% |
| 2 | Healthcare | 2.55% |
| 3 | Industrials | 2.24% |
| 4 | Financials | 2.13% |
| 5 | Consumer Discretionary | 1.76% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2476
Celsius Holdings
CELH
$7.36B
| $21.1M | ﹤0.01% |
719,636
+550,384
| +325% | +$17.4M |
|
2477
PUT
Builders FirstSource
BLDR
$7.8B
| $21M | ﹤0.01% |
235,100
+66,400
| +39% | +$5.3M |
|
2478
CALL
PureCycle Technologies
PCT
$1.4B
| $21M | ﹤0.01% |
2,593,300
+100
| +0% | +$897 |
|
2479
CoStar Group
CSGP
$13.1B
| $21M | ﹤0.01% |
741,898
-346,306
| -32% | -$11.9M |
|
2480
PUT
TE Connectivity
TEL
$62.6B
| $21M | ﹤0.01% |
104,200
-572,900
| -85% | -$122M |
|
2481
Allogene Therapeutics
ALLO
$708M
| $21M | ﹤0.01% |
10,087,770
+3,294,150
| +48% | +$7.23M |
|
2482
CALL
TG Therapeutics
TGTX
$7.46B
| $21M | ﹤0.01% |
381,700
+74,600
| +24% | +$3.05M |
|
|
INTW
2483
CALL
GraniteShares 2x Long INTC Daily ETF
INTW
$327M
| $21M | ﹤0.01% |
413,800
-730,200
| -64% | -$22.6M |
|
|
ELMT
2484
The Elmet Group
ELMT
$564M
| $21M | ﹤0.01% |
+1,062,072
| New | +$18.2M |
|
2485
Southwest Gas
SWX
$6.71B
| $21M | ﹤0.01% |
236,396
-199,343
| -46% | -$17.8M |
|
2486
Direxion Daily Financial Bull 3x ETF
FAS
$2.49B
| $21M | ﹤0.01% |
+142,418
| New | +$19.4M |
|
2487
Acadia Realty Trust
AKR
$2.86B
| $21M | ﹤0.01% |
1,002,396
+305,956
| +44% | +$6.55M |
|
2488
PUT
BridgeBio Pharma
BBIO
$15.6B
| $20.9M | ﹤0.01% |
281,200
+226,500
| +414% | +$15.9M |
|
2489
PUT
Paychex
PAYX
$43.4B
| $20.9M | ﹤0.01% |
212,900
+17,800
| +9% | +$1.68M |
|
2490
CALL
Nutanix
NTNX
$18B
| $20.9M | ﹤0.01% |
410,300
+139,700
| +52% | +$6.31M |
|
2491
CALL
Brookfield
BN
$107B
| $20.9M | ﹤0.01% |
490,700
+133,600
| +37% | +$5.97M |
|
|
WLTH
2492
Wealthfront Corp
WLTH
$1.37B
| $20.9M | ﹤0.01% |
2,336,419
+414,629
| +22% | +$4.32M |
|
2493
Dana Inc
DAN
$3.26B
| $20.9M | ﹤0.01% |
767,374
+603,637
| +369% | +$20.6M |
|
2494
PUT
Blue Owl Capital
OWL
$19.1B
| $20.9M | ﹤0.01% |
2,384,800
-462,200
| -16% | -$4.39M |
|
2495
PUT
Whirlpool
WHR
$2.7B
| $20.9M | ﹤0.01% |
529,200
+56,700
| +12% | +$2.66M |
|
2496
Stantec
STN
$8.41B
| $20.8M | ﹤0.01% |
301,457
-5,597
| -2% | -$451K |
|
2497
CALL
Amprius Technologies
AMPX
$1.83B
| $20.8M | ﹤0.01% |
1,498,600
+54,800
| +4% | +$982K |
|
2498
GraniteShares ETF Trust GraniteShares 2x Long NVDA Daily ETF
NVDL
$3.88B
| $20.7M | ﹤0.01% |
695,545
+635,521
| +1,059% | +$20.8M |
|
2499
The Mosaic Company
MOS
$6.87B
| $20.7M | ﹤0.01% |
978,462
-2,089,604
| -68% | -$48.3M |
|
2500
Bright Horizons
BFAM
$3.75B
| $20.7M | ﹤0.01% |
291,904
+261,318
| +854% | +$18.9M |
|
Similar funds
Ken Griffin's Q2 2026 Portfolio in Review
As of Q2 2026, Ken Griffin held 15,447 positions worth $875B, up 41% from $618B the previous quarter. Its ten largest holdings account for 23% of the portfolio.
Ken Griffin deployed $103B of net new capital in Q2 2026, opening 2,575 new positions and adding to 6,089 existing holdings. Its largest new stake was SpaceX: 5,129,884 shares worth $876M.
By sector, the portfolio is most concentrated in Technology at 3.9% of assets, down from 4.5% a quarter earlier, followed by Healthcare and Industrials.
On the sell side, the largest reduction was Micron Technology, an estimated $3B trimmed.
- Ken Griffin's largest Q2 2026 buy was SpaceX: 5,129,884 shares worth $876M.
- Ken Griffin added most to iShares Core S&P 500 ETF in Q2 2026, an estimated $9.91B increase.
- Ken Griffin's biggest Q2 2026 reduction was Micron Technology, cutting an estimated $3B.
- Ken Griffin fully exited iShares 7-10 Year Treasury Bond ETF in Q2 2026, selling an estimated $325M.
- Ken Griffin's ten largest holdings make up 23% of its $875B portfolio in Q2 2026.
- Ken Griffin opened 2,575 new positions and closed 1,872 in Q2 2026.
- Ken Griffin's portfolio value rose 41% quarter-over-quarter to $875B.
Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.