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 | |
|---|---|---|---|---|---|---|
2801
Rapid Micro Biosystems
RPID
$85.3M
| $287K | ﹤0.01% |
126,617
+10,990
| +10% | +$40.2K |
|
2802
PLAYSTUDIOS Inc
MYPS
$74.1M
| $287K | ﹤0.01% |
611,970
+15,800
| +3% | +$8.55K |
|
|
CLPR
2803
Clipper Realty
CLPR
$47.5M
| $287K | ﹤0.01% |
94,957
+700
| +0.7% | +$2.36K |
|
2804
Fulgent Genetics
FLGT
$519M
| $286K | ﹤0.01% |
18,000
-64,864
| -78% | -$1.41M |
|
2805
Alpha Tau Medical
DRTS
$1.29B
| $286K | ﹤0.01% |
+40,457
| New | +$286K |
|
|
ALOY
2806
REalloys Inc
ALOY
$894M
| $286K | ﹤0.01% |
+29,300
| New | +$375K |
|
2807
Laird Superfood
LSF
$50.5M
| $286K | ﹤0.01% |
132,900
-85,700
| -39% | -$230K |
|
2808
Radiant Logistics
RLGT
$395M
| $286K | ﹤0.01% |
+40,500
| New | +$284K |
|
|
NMAD
2809
Nomad Power Solutions
NMAD
$66.9M
| $286K | ﹤0.01% |
93,000
-14,500
| -13% | -$45.6K |
|
2810
Comscore
SCOR
$108M
| $284K | ﹤0.01% |
40,921
-800
| -2% | -$6.03K |
|
|
JBGS
2811
JBG SMITH
JBGS
$672M
| $283K | ﹤0.01% |
+19,400
| New | +$309K |
|
2812
Chicago Rivet & Machine Co
CVR
| $283K | ﹤0.01% |
28,410
-900
| -3% | -$12.2K |
|
2813
Interlink Electronics
LINK
$81.3M
| $279K | ﹤0.01% |
94,813
+1,043
| +1% | +$3.53K |
|
|
AMRN
2814
Amarin Corp
AMRN
$295M
| $278K | ﹤0.01% |
+19,256
| New | +$288K |
|
2815
Avantis US Equity ETF
AVUS
$14.4B
| $278K | ﹤0.01% |
2,500
-1,000
| -29% | -$114K |
|
2816
Fortress Biotech
FBIO
$86.4M
| $278K | ﹤0.01% |
99,590
+18,490
| +23% | +$62.8K |
|
2817
Health Catalyst
HCAT
$132M
| $276K | ﹤0.01% |
+217,069
| New | +$408K |
|
2818
James River Group Holdings
JRVR
$198M
| $273K | ﹤0.01% |
43,400
+17,500
| +68% | +$115K |
|
|
ANGX
2819
Angel Studios
ANGX
$706M
| $273K | ﹤0.01% |
+89,619
| New | +$343K |
|
2820
Aemetis
AMTX
$125M
| $272K | ﹤0.01% |
+85,200
| New | +$155K |
|
2821
First Seacoast Bancorp
FSEA
$80.5M
| $272K | ﹤0.01% |
21,632
+300
| +1% | +$3.88K |
|
2822
Daxor
DXR
$60M
| $271K | ﹤0.01% |
28,011
-210
| -0.7% | -$2.56K |
|
2823
Brixmor Property Group
BRX
$9.09B
| $271K | ﹤0.01% |
+9,400
| New | +$265K |
|
2824
Cadeler
CDLR
$2.19B
| $271K | ﹤0.01% |
+11,503
| New | +$271K |
|
2825
Affirm
AFRM
$25.9B
| $270K | ﹤0.01% |
+5,900
| New | +$341K |
|
Similar funds
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.