JO
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John Overdeck’s Exagen XGN Stock Holding History

John Overdeck’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
Q2 		$279K Sell
59,992
-97,829
-62% -$368K ﹤0.01% 4575
2026
Q1 		$473K Sell
157,821
-210,429
-57% -$814K ﹤0.01% 3772
2025
Q4 		$2.24M Buy
368,250
+130,271
+55% +$1.19M ﹤0.01% 2352
2025
Q3 		$2.62M Buy
237,979
+174,979
+278% +$1.55M ﹤0.01% 1951
2025
Q2 		$440K Buy
+63,000
New +$383K ﹤0.01% 2643

Other funds holding XGN

WC
Wexford Capital West Palm Beach, Florida $782M AUM 62.56% 1-Year Est. Return
NCNMGF
Nano-Cap New Millennium Growth Fund Staten Island, New York $130M AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
FCM
FourWorld Capital Management New York $110M AUM 44.07% 1-Year Est. Return
SAM
Silvercrest Asset Management New York $15.3B AUM 40.56% 1-Year Est. Return
KCM
Kennedy Capital Management St Louis, Missouri $5.65B AUM 61.31% 1-Year Est. Return
MBAM
Mink Brook Asset Management West Palm Beach, Florida $227M AUM 64.76% 1-Year Est. Return
Jane Street
Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return
First Eagle Investment Management
First Eagle Investment Management New York $59.9B AUM 27.01% 1-Year Est. Return

John Overdeck's XGN Position: Q2 2026 in Review

John Overdeck reduced its Exagen (XGN) stake by 62% in Q2 2026, selling an estimated $368K and leaving 59,992 shares worth $279K. The position accounts for ﹤0.01% of the portfolio, ranked #4575.

John Overdeck first reported a position in XGN in Q2 2025 and has held it in 5 quarters since. The position peaked at $2.62M in Q3 2025. 57 funds tracked by Wall St. Rank hold XGN as of Q2 2026.

  • John Overdeck held 59,992 shares of Exagen worth $279K as of Q2 2026.
  • John Overdeck sold 97,829 Exagen shares in Q2 2026, an estimated $368K.
  • Exagen made up ﹤0.01% of John Overdeck's portfolio in Q2 2026, its #4575 holding.
  • John Overdeck first reported a position in Exagen in Q2 2025 and has held it in 5 quarters since.
  • John Overdeck's Exagen position peaked at $2.62M in Q3 2025.
  • 57 funds tracked by Wall St. Rank held Exagen as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.