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 |
Amazon
AMZN
|
+$2.49B |
| 2 |
NVIDIA
NVDA
|
+$2.19B |
| 3 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$1.94B |
| 4 |
TSMC
TSM
|
+$728M |
| 5 |
UnitedHealth
UNH
|
+$705M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Meta Platforms (Facebook)
META
|
+$775M |
| 2 |
AbbVie
ABBV
|
+$540M |
| 3 |
Delta Air Lines
DAL
|
+$434M |
| 4 |
Eli Lilly
LLY
|
+$433M |
| 5 |
DexCom
DXCM
|
+$433M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 4.89% |
| 2 | Healthcare | 2.92% |
| 3 | Financials | 2.71% |
| 4 | Consumer Discretionary | 2.52% |
| 5 | Industrials | 2.2% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
4451
Tootsie Roll Industries
TR
$3.08B
| $4.36M | ﹤0.01% |
122,624
+25,574
| +26% | +$969K |
|
4452
BOK Financial
BOKF
$8.88B
| $4.36M | ﹤0.01% |
36,774
-190,855
| -84% | -$21.4M |
|
4453
CALL
Gold Royalty Corp
GROY
$727M
| $4.36M | ﹤0.01% |
1,078,100
+279,900
| +35% | +$1.07M |
|
4454
PUT
Ero Copper
ERO
$3.53B
| $4.35M | ﹤0.01% |
153,900
-18,500
| -11% | -$431K |
|
4455
PUT
Euronet Worldwide
EEFT
$2.74B
| $4.35M | ﹤0.01% |
57,200
+100
| +0.2% | +$7.8K |
|
4456
Mercury Insurance
MCY
$5.84B
| $4.35M | ﹤0.01% |
46,197
-19,732
| -30% | -$1.71M |
|
4457
iShares Russell 2500 ETF
SMMD
$3.78B
| $4.34M | ﹤0.01% |
+57,901
| New | +$4.31M |
|
4458
PUT
Western Alliance Bancorporation
WAL
$8.98B
| $4.34M | ﹤0.01% |
51,600
+12,000
| +30% | +$974K |
|
4459
CALL
Direxion Daily Energy Bull 2X ETF
ERX
$251M
| $4.33M | ﹤0.01% |
77,600
-19,800
| -20% | -$1.1M |
|
4460
CALL
Westlake Corp
WLK
$10.2B
| $4.33M | ﹤0.01% |
58,600
+3,100
| +6% | +$221K |
|
4461
PUT
PIMCO 25+ Year Zero Coupon US Treasury Index Exchange-Traded Fund
ZROZ
$1.29B
| $4.33M | ﹤0.01% |
67,400
+8,000
| +13% | +$542K |
|
4462
CALL
Planet Fitness
PLNT
$3.8B
| $4.33M | ﹤0.01% |
39,900
-12,600
| -24% | -$1.3M |
|
4463
Littelfuse
LFUS
$11.6B
| $4.32M | ﹤0.01% |
17,100
-3,526
| -17% | -$898K |
|
|
MRP
4464
PUT
Millrose Properties Inc
MRP
$5.04B
| $4.32M | ﹤0.01% |
144,750
-141,100
| -49% | -$4.43M |
|
4465
PUT
Boot Barn
BOOT
$4.95B
| $4.32M | ﹤0.01% |
24,500
-4,700
| -16% | -$877K |
|
4466
PUT
Synaptics
SYNA
$4.25B
| $4.32M | ﹤0.01% |
58,400
+39,200
| +204% | +$2.75M |
|
4467
Alkami Technology
ALKT
$2.21B
| $4.32M | ﹤0.01% |
187,348
-156,114
| -45% | -$3.44M |
|
4468
CALL
Helen of Troy
HELE
$704M
| $4.32M | ﹤0.01% |
203,300
+1,300
| +0.6% | +$26.5K |
|
|
ELVA
4469
Electrovaya
ELVA
$394M
| $4.32M | ﹤0.01% |
546,849
+461,595
| +541% | +$2.79M |
|
|
BTC
4470
CALL
Grayscale Bitcoin Mini Trust ETF
BTC
$3.33B
| $4.32M | ﹤0.01% |
111,500
-56,600
| -34% | -$2.51M |
|
|
SARO
4471
StandardAero Inc
SARO
$9.23B
| $4.32M | ﹤0.01% |
150,495
-285,046
| -65% | -$7.76M |
|
4472
Design Therapeutics
DSGN
$928M
| $4.31M | ﹤0.01% |
459,874
-94,146
| -17% | -$737K |
|
4473
Schneider National
SNDR
$6.33B
| $4.31M | ﹤0.01% |
162,591
-14,010
| -8% | -$331K |
|
4474
Direxion Daily FTSE China Bull 3X ETF
YINN
$653M
| $4.31M | ﹤0.01% |
+101,140
| New | +$4.8M |
|
4475
PUT
iShares National Muni Bond ETF
MUB
$45.8B
| $4.31M | ﹤0.01% |
40,200
-235,500
| -85% | -$25.2M |
|
Similar funds
Ken Griffin's Q4 2025 Portfolio in Review
As of Q4 2025, Ken Griffin held 14,701 positions worth $666B, up 1.3% from $657B the previous quarter. Its ten largest holdings account for 23% of the portfolio.
Ken Griffin's Q4 2025 filing shows 2,078 new, 5,000 increased, 5,362 reduced and 2,191 closed positions. Its largest new stake was Medline Inc: 6,006,339 shares worth $252M. The largest sale was Meta Platforms (Facebook), an estimated $775M.
By sector, the portfolio is most concentrated in Technology at 4.9% of assets, up from 3.8% a quarter earlier, followed by Healthcare and Financials.
- Ken Griffin's largest Q4 2025 buy was Medline Inc: 6,006,339 shares worth $252M.
- Ken Griffin added most to Amazon in Q4 2025, an estimated $2.49B increase.
- Ken Griffin's biggest Q4 2025 reduction was Meta Platforms (Facebook), cutting an estimated $775M.
- Ken Griffin fully exited WEX in Q4 2025, selling an estimated $131M.
- Ken Griffin's ten largest holdings make up 23% of its $666B portfolio in Q4 2025.
- Ken Griffin opened 2,078 new positions and closed 2,191 in Q4 2025.
- Ken Griffin's portfolio value rose 1.3% quarter-over-quarter to $666B.
Based on Citadel Advisors's 13F filing for Q4 2025, filed 17 Feb 2026.