Ticker · CUSIP 30068X103

XGN

EXAGEN INC

···Share

Holders (tracked)

Combined shares

1,174,996

Combined value

$7.14M

Last close

$3.08

Quarter

2025Q4

Price is -49.3% vs the avg quarter-end implied price across tracked holders.

Price · 1Y$3.08-1.41 (-31.40%)H $11.96 · L $2.65 · Avg Vol 336K

Position opened

Tracked holders · last 8 quarters

+3 vs previous quarter over the last 8.

SEC event timeline

10 events

Ken Griffin (Citadel Advisors) added2026-02-17
+72,228 shares · 2025Q4
Position
D.E. Shaw & Co. opened position2026-02-17
+31,579 shares · 2025Q4
Position
Two Sigma Investments added2026-02-17
+130,271 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) trimmed2026-02-17
−22,564 shares · 2025Q4
Position
Steve Cohen (Point72) opened position2026-02-17
+205,200 shares · 2025Q4
Position
Renaissance Technologies opened position2026-02-12
+138,000 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) opened position2025-11-14
+247,173 shares · 2025Q3
Position
Steve Cohen (Point72) exited2025-11-14
−136,380 shares · 2025Q3
Position
Two Sigma Investments added2025-11-14
+174,979 shares · 2025Q3
Position
Renaissance Technologies exited2025-11-13
−21,000 shares · 2025Q3
Position

Insider activity

No insider transactions in the last 30 days.

View full insider history for XGN →

Follow-the-investor returns

If you'd copied each holder of XGN…

Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.

Investor	First in	Cost basis	Return	Position value today
Renaissance Technologies	2023Q4	$5.53	-44.3%	$425K
D.E. Shaw & Co.	2025Q4	$6.08	-49.3%	$97K
Ken Griffin (Citadel Advisors)	2022Q1	$6.36	-51.5%	$580K
Ken Griffin (Citadel Advisors)	2022Q1	$6.36	-51.5%	$580K
Steve Cohen (Point72)	2025Q2	$6.68	-53.9%	$632K
Two Sigma Investments	2025Q2	$8.57	-64.0%	$1.1M
Izzy Englander (Millennium Mgmt)	2019Q3	$10.72	-71.3%	$692K

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.

New positions3

Steve Cohen (Point72)
+205,200
$1.2M
Renaissance Technologies
+138,000
$839K
D.E. Shaw & Co.
+31,579
$192K

Added to2

Two Sigma Investments
+130,271
$792K
Ken Griffin (Citadel Advisors)
+72,228
$439K

Trimmed1

Izzy Englander (Millennium Mgmt)
−22,564
$137K

Exited0

—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.

Quarter	Holders	Shares	Combined value	Δ holders
2022Q1	2	680,113	$5.5M	—
2022Q2	4	313,116	$1.8M	+2
2022Q3	3	218,849	$593K	-1
2022Q4	2	108,235	$260K	-1
2023Q1	4	117,378	$286K	+2
2023Q2	2	104,039	$302K	-2
2023Q3	2	98,291	$239K	—
2023Q4	6	147,973	$295K	+4
2024Q1	6	141,063	$225K	—
2024Q2	6	180,282	$328K	—
2024Q3	5	226,020	$698K	-1
2024Q4	5	201,247	$825K	—
2025Q1	4	162,884	$585K	-1
2025Q2	3	220,380	$1.5M	-1
2025Q3	4	615,282	$6.8M	+1
2025Q4	7	1,174,996	$7.1M	+3

Who owns XGN

7 super-investors · 2025Q4

Tracked stake

1.17M

Combined value

$7M

% of shares outstanding

—

shares-out unknown

Quarter action mix

New3Added3Trim1

#	Manager	Shares	Value	% of book	Last action	8Q trend
1	Two Sigma Investments	368.3K	$2M	0.0%	Added+130.3K
2	Izzy Englander Millennium Mgmt	224.6K	$1M	0.0%	Trim−22.6K
3	Steve Cohen Point72	205.2K	$1M	0.0%	New+205.2K
4	Ken Griffin Citadel Advisors	188.5K	$1M	0.0%	Added+72.2K
5	Renaissance Technologies	138.0K	$839K	0.0%	New+138.0K
6	D.E. Shaw & Co.	31.6K	$192K	0.0%	New+31.6K	—
7	Ken Griffin Citadel Advisors	18.9K	$115K	0.0%	Added+72.2K

Recent moves

20 transactions

ADDKen Griffin (Citadel Advisors)
+72,228 · 2025Q4
NEWSteve Cohen (Point72)
+205,200 · 2025Q4
TRIMIzzy Englander (Millennium Mgmt)
−22,564 · 2025Q4
ADDTwo Sigma Investments
+130,271 · 2025Q4
NEWD.E. Shaw & Co.
+31,579 · 2025Q4
NEWRenaissance Technologies
+138,000 · 2025Q4
NEWIzzy Englander (Millennium Mgmt)
+247,173 · 2025Q3
ADDTwo Sigma Investments
+174,979 · 2025Q3
SOLDSteve Cohen (Point72)
−136,380 · 2025Q3
SOLDRenaissance Technologies
−21,000 · 2025Q3
NEWSteve Cohen (Point72)
+136,380 · 2025Q2
NEWTwo Sigma Investments
+63,000 · 2025Q2
TRIMRenaissance Technologies
−115,800 · 2025Q2
SOLDIzzy Englander (Millennium Mgmt)
−15,862 · 2025Q1
TRIMRenaissance Technologies
−18,736 · 2025Q1
TRIMIzzy Englander (Millennium Mgmt)
−6,649 · 2024Q4
TRIMRenaissance Technologies
−20,064 · 2024Q4
ADDIzzy Englander (Millennium Mgmt)
+8,108 · 2024Q3
ADDRenaissance Technologies
+81,366 · 2024Q3
TRIMIzzy Englander (Millennium Mgmt)
−9,457 · 2024Q2

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