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 | |
|---|---|---|---|---|---|---|
9526
CALL
Kopin
KOPN
$1.02B
| $395K | ﹤0.01% |
168,700
+28,800
| +21% | +$83.2K |
|
9527
Immix Biopharma
IMMX
$781M
| $394K | ﹤0.01% |
75,338
-14,460
| -16% | -$59.5K |
|
9528
CALL
NWPX Infrastructure Inc
NWPX
$1.12B
| $394K | ﹤0.01% |
+6,300
| New | +$363K |
|
|
SEVN
9529
PUT
Seven Hills Realty Trust
SEVN
$176M
| $393K | ﹤0.01% |
44,200
+18,800
| +74% | +$176K |
|
9530
PUT
MYR Group
MYRG
$5.21B
| $393K | ﹤0.01% |
1,800
-600
| -25% | -$131K |
|
9531
CALL
Cellebrite
CLBT
$2.79B
| $393K | ﹤0.01% |
21,800
-60,400
| -73% | -$1.08M |
|
9532
CALL
SFL Corp
SFL
$1.64B
| $393K | ﹤0.01% |
50,300
-16,500
| -25% | -$127K |
|
|
LLYX
9533
PUT
Defiance Daily Target 2x Long LLY ETF
LLYX
$44.8M
| $393K | ﹤0.01% |
15,400
-37,200
| -71% | -$795K |
|
9534
PUT
Sprout Social
SPT
$599M
| $392K | ﹤0.01% |
34,800
+14,700
| +73% | +$159K |
|
9535
PUT
Nordic American Tanker
NAT
$1.42B
| $392K | ﹤0.01% |
114,000
-76,300
| -40% | -$270K |
|
9536
A2Z Smart Technologies
AZ
$326M
| $392K | ﹤0.01% |
60,231
+289
| +0.5% | +$1.86K |
|
9537
CALL
Comstock
LODE
$263M
| $392K | ﹤0.01% |
104,200
+17,400
| +20% | +$59.2K |
|
9538
RF Industries
RFIL
$148M
| $392K | ﹤0.01% |
+67,784
| New | +$469K |
|
9539
NLI Holdings
NL
$315M
| $392K | ﹤0.01% |
71,603
+338
| +0.5% | +$1.93K |
|
9540
Vista Gold
VGZ
$337M
| $392K | ﹤0.01% |
198,812
+8,723
| +5% | +$16.8K |
|
9541
Prime Medicine
PRME
$560M
| $392K | ﹤0.01% |
112,870
-787,272
| -87% | -$3.5M |
|
9542
PUT
Arvinas
ARVN
$587M
| $391K | ﹤0.01% |
33,000
-143,100
| -81% | -$1.56M |
|
9543
Royce Quant Small-Cap Quality Value ETF
SQLV
$41.3M
| $391K | ﹤0.01% |
9,063
-13,162
| -59% | -$559K |
|
9544
CALL
ProShares Ultra NASDAQ Biotechnology
BIB
$86.6M
| $391K | ﹤0.01% |
+4,900
| New | +$362K |
|
|
AVGW
9545
CALL
Roundhill AVGO WeeklyPay ETF
AVGW
$46.1M
| $391K | ﹤0.01% |
+8,200
| New | +$441K |
|
9546
Ligand Pharmaceuticals
LGND
$5.87B
| $391K | ﹤0.01% |
2,066
-11,246
| -84% | -$2.16M |
|
9547
PUT
Teleflex
TFX
$5.81B
| $391K | ﹤0.01% |
3,200
+1,400
| +78% | +$170K |
|
9548
PUT
Cheniere Energy
CQP
$33.4B
| $390K | ﹤0.01% |
7,300
-1,700
| -19% | -$90.3K |
|
|
NKLR
9549
CALL
Terra Innovatum Global N.V.
NKLR
$673M
| $390K | ﹤0.01% |
+84,500
| New | +$593K |
|
9550
Amplify Energy & Natural Resources Covered Call ETF
NDIV
$27.9M
| $390K | ﹤0.01% |
+14,480
| New | +$395K |
|
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.