Jim Simons’s Exagen XGN Stock Holding History

Jim Simons’s Portfolio XGN Stock Details XGN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$610K	Buy	203,272 +65,272	+47%	+$252K	﹤0.01%	2517
2025 Q4	$839K	Buy	+138,000	New	+$1.26M	﹤0.01%	2366
2025 Q3	–	Sell	-21,000	Closed	-$147K	–	3997
2025 Q2	$147K	Sell	21,000 -115,800	-85%	-$704K	﹤0.01%	3232
2025 Q1	$491K	Sell	136,800 -18,736	-12%	-$70.7K	﹤0.01%	2754
2024 Q4	$638K	Sell	155,536 -20,064	-11%	-$72.3K	﹤0.01%	2733
2024 Q3	$543K	Buy	175,600 +81,366	+86%	+$211K	﹤0.01%	2757
2024 Q2	$172K	Buy	94,234 +45,476	+93%	+$77K	﹤0.01%	3075
2024 Q1	$78K	Buy	48,758 +3,270	+7%	+$6.35K	﹤0.01%	3412
2023 Q4	$91K	Buy	+45,488	New	+$78.7K	﹤0.01%	3328

Other funds holding XGN

Balyasny Asset Management Chicago, Illinois $77.1B AUM 42.89% 1-Year Est. Return

Wexford Capital West Palm Beach, Florida $690M AUM 57.88% 1-Year Est. Return

Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

NCNMGF

Nano-Cap New Millennium Growth Fund Staten Island, New York $107M AUM

SAM

Silvercrest Asset Management New York $13.8B AUM 28.39% 1-Year Est. Return

KCM

Kennedy Capital Management St Louis, Missouri $4.72B AUM 36.69% 1-Year Est. Return

FCM

FourWorld Capital Management New York $196M AUM 42.39% 1-Year Est. Return

RTW Investments New York $10B AUM 135.35% 1-Year Est. Return

MBAM

Mink Brook Asset Management West Palm Beach, Florida $179M AUM 37.68% 1-Year Est. Return

Jim Simons's XGN Position: Q1 2026 in Review

Jim Simons increased its Exagen (XGN) stake by 47% in Q1 2026, buying an estimated $252K and bringing the position to 203,272 shares worth $610K. The position accounts for ﹤0.01% of the portfolio, ranked #2517.

Jim Simons first reported a position in XGN in Q4 2023 and has held it in 9 quarters since. The position peaked at $839K in Q4 2025. 61 funds tracked by Wall St. Rank hold XGN as of Q1 2026.

Jim Simons held 203,272 shares of Exagen worth $610K as of Q1 2026.
Jim Simons bought 65,272 Exagen shares in Q1 2026, an estimated $252K.
Exagen made up ﹤0.01% of Jim Simons's portfolio in Q1 2026, its #2517 holding.
Jim Simons first reported a position in Exagen in Q4 2023 and has held it in 9 quarters since.
Jim Simons's Exagen position peaked at $839K in Q4 2025.
61 funds tracked by Wall St. Rank held Exagen as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.