Jim Simons Renaissance Technologies
Jim Simons is the founder of Renaissance Technologies, one of the most successful quantitative hedge funds in the world. Before his career in finance, he served as a mathematics professor and made significant contributions to differential geometry. Simons applied his analytical expertise to develop sophisticated, algorithm-driven trading strategies, earning consistently high returns for investors.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Apple
AAPL
|
+$800M |
| 2 |
NVIDIA
NVDA
|
+$304M |
| 3 |
Broadcom
AVGO
|
+$261M |
| 4 |
Linde
LIN
|
+$237M |
| 5 |
JPMorgan Chase
JPM
|
+$208M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Costco
COST
|
+$656M |
| 2 |
Netflix
NFLX
|
+$632M |
| 3 |
Tesla
TSLA
|
+$474M |
| 4 |
Procter & Gamble
PG
|
+$428M |
| 5 |
Micron Technology
MU
|
+$332M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 22.04% |
| 2 | Healthcare | 15.35% |
| 3 | Industrials | 11.13% |
| 4 | Consumer Discretionary | 10.88% |
| 5 | Financials | 10.52% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2901
Loop Industries
LOOP
$30.6M
| $213K | ﹤0.01% |
148,661
-14,464
| -9% | -$18.1K |
|
|
RWT
2902
Redwood Trust
RWT
$592M
| $210K | ﹤0.01% |
+37,400
| New | +$217K |
|
2903
BuzzFeed
BZFD
$89.2M
| $210K | ﹤0.01% |
344,354
+8,700
| +3% | +$7.09K |
|
|
PPSI
2904
Pioneer Power Solutions
PPSI
$33.3M
| $209K | ﹤0.01% |
64,200
+29,500
| +85% | +$119K |
|
2905
Custom Truck One Source
CTOS
$2.45B
| $208K | ﹤0.01% |
+31,656
| New | +$208K |
|
2906
JPMorgan US Tech Leaders ETF
JTEK
$4.53B
| $207K | ﹤0.01% |
2,600
-10,300
| -80% | -$883K |
|
2907
Capital Group International Focus Equity ETF
CGXU
$6.62B
| $206K | ﹤0.01% |
7,000
-4,200
| -38% | -$129K |
|
2908
SCYNEXIS
SCYX
$47.5M
| $206K | ﹤0.01% |
28,080
+6,080
| +28% | +$37.6K |
|
|
FLX
2909
BingEx Ltd
FLX
$154M
| $205K | ﹤0.01% |
77,300
+12,700
| +20% | +$36.4K |
|
|
MPTI.RT
2910
DELISTED
M-tron Industries Rights (expiring April 15 2026)
MPTI.RT
| $205K | ﹤0.01% |
+97,471
| New | +$205K |
|
2911
NSTS Bancorp
NSTS
$66.7M
| $204K | ﹤0.01% |
17,500
+3
| +0% | +$37 |
|
2912
Assured Guaranty
AGO
$3.3B
| $204K | ﹤0.01% |
+2,500
| New | +$213K |
|
|
SUNE
2913
SUNation Energy
SUNE
$11M
| $204K | ﹤0.01% |
+92,515
| New | +$133K |
|
2914
Grindr
GRND
$2.8B
| $202K | ﹤0.01% |
16,736
-84,000
| -83% | -$990K |
|
2915
Sprinklr
CXM
$1.58B
| $202K | ﹤0.01% |
+33,600
| New | +$208K |
|
2916
Vanguard Core Bond ETF
VCRB
$7.5B
| $201K | ﹤0.01% |
+2,600
| New | +$203K |
|
2917
Cerence
CRNC
$383M
| $201K | ﹤0.01% |
31,868
+19,900
| +166% | +$179K |
|
2918
Curis
CRIS
$4.79M
| $201K | ﹤0.01% |
18,337
+6,291
| +52% | +$117K |
|
2919
Genasys
GNSS
$75.6M
| $199K | ﹤0.01% |
109,136
-7,300
| -6% | -$14.4K |
|
2920
KORU Medical Systems
KRMD
$158M
| $198K | ﹤0.01% |
+45,900
| New | +$228K |
|
2921
Cingulate
CING
$68.3M
| $198K | ﹤0.01% |
+31,888
| New | +$204K |
|
2922
Pixelworks
PXLW
$38.8M
| $197K | ﹤0.01% |
36,562
-900
| -2% | -$5.52K |
|
2923
Alset
AEI
$44M
| $197K | ﹤0.01% |
107,266
-2,900
| -3% | -$7.17K |
|
2924
Avalon Holdings
AWX
$10.6M
| $197K | ﹤0.01% |
75,982
-4,528
| -6% | -$12K |
|
2925
Cibus
CBUS
$146M
| $196K | ﹤0.01% |
98,900
+29,500
| +43% | +$76K |
|
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Jim Simons's Q1 2026 Portfolio in Review
As of Q1 2026, Jim Simons held 3,809 positions worth $63.9B, down 0.82% from $64.5B the previous quarter. Its ten largest holdings account for 11% of the portfolio.
Jim Simons's Q1 2026 filing shows 624 new, 1,320 increased, 1,262 reduced and 596 closed positions. Its largest new stake was Apple: 3,075,638 shares worth $781M. The largest sale was Costco, an estimated $656M.
By sector, the portfolio is most concentrated in Technology at 22% of assets, up from 21% a quarter earlier, followed by Healthcare and Industrials.
- Jim Simons's largest Q1 2026 buy was Apple: 3,075,638 shares worth $781M.
- Jim Simons added most to NVIDIA in Q1 2026, an estimated $304M increase.
- Jim Simons's biggest Q1 2026 reduction was Costco, cutting an estimated $656M.
- Jim Simons fully exited Procter & Gamble in Q1 2026, selling an estimated $428M.
- Jim Simons's ten largest holdings make up 11% of its $63.9B portfolio in Q1 2026.
- Jim Simons opened 624 new positions and closed 596 in Q1 2026.
- Jim Simons's portfolio value fell 0.82% quarter-over-quarter to $63.9B.
Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.