Vault-13

EXAGEN INC XGN

COM · Common Stock · CUSIP 30068X103

Clinical laboratory company

54 institutional holders +15 vs Q1 2025
9,142,6489.1m shares reported held*
41.6% of all shares outstanding*
$63.7mreported value*
22 new 17 added 5 reduced 7 sold out net bought ≈ $20.6m (+3.0m shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($448.3k this quarter). Holder counts are more reliable. Shares outstanding: 22.0m as of 2025-07-24, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $6.97. Options: 3 managers hold calls ($55.9k notional), 3 hold puts ($16.6k).

Trends to Q2 2025

Institutional holders

Managers reporting a position, each quarter

0204060Q3 22: 38Q4 22: 32Q1 23: 29Q2 23: 29Q3 23: 30Q4 23: 31Q1 24: 32Q2 24: 34Q3 24: 34Q4 24: 42Q1 25: 39Q2 25: 5454Q3 22Q2 23Q1 24Q4 24Q2 25
Numbers
QuarterHolders
Q3 202238
Q4 202232
Q1 202329
Q2 202329
Q3 202330
Q4 202331
Q1 202432
Q2 202434
Q3 202434
Q4 202442
Q1 202539
Q2 202554

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
40040Q3 23: 9 bought or addedQ3 23: 9 cut or sold outQ4 23: 10 bought or addedQ4 23: 12 cut or sold outQ4 23Q1 24: 9 bought or addedQ1 24: 12 cut or sold outQ2 24: 13 bought or addedQ2 24: 12 cut or sold outQ2 24Q3 24: 10 bought or addedQ3 24: 11 cut or sold outQ4 24: 16 bought or addedQ4 24: 16 cut or sold outQ4 24Q1 25: 14 bought or addedQ1 25: 17 cut or sold outQ2 25: 39 bought or addedQ2 25: 12 cut or sold outQ2 25
Numbers
QuarterBought or addedCut or sold out
Q3 202399
Q4 20231012
Q1 2024912
Q2 20241312
Q3 20241011
Q4 20241616
Q1 20251417
Q2 20253912

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$20k$40k$60k$80kQ3 24 calls: $13.9kQ3 24 puts: $1.2kQ3 24P/C 0.09Q4 24 calls: $4.5kQ4 24 puts: $26.2kQ4 24P/C 5.82Q1 25 calls: $18.2kQ1 25 puts: $66.1kQ1 25P/C 3.63Q2 25 calls: $55.9kQ2 25 puts: $16.6kQ2 25P/C 0.30
Numbers
QuarterCallsPutsP/C
Q3 2024$13.9k$1.2k0.09
Q4 2024$4.5k$26.2k5.82
Q1 2025$18.2k$66.1k3.63
Q2 2025$55.9k$16.6k0.30

Biggest buyers

Balyasny Asset Management L.P. New +718,782+718.8k
WEXFORD CAPITAL LP New +416,348+416.3k
UBS Group AG Added +383,691+383.7k
Russell Investments Group, Ltd. New +220,616+220.6k
FourWorld Capital Management LLC New +208,527+208.5k
VANGUARD GROUP INC Added +190,675+190.7k
RTW INVESTMENTS, LP Added +185,000+185.0k
Manatuck Hill Partners, LLC New +175,000+175.0k
Massar Capital Management, LP Added +149,160+149.2k
Point72 Asset Management, L.P. New +136,380+136.4k

Biggest sellers

PERKINS CAPITAL MANAGEMENT INC Reduced -191,113-191.1k
Hudson Bay Capital Management LP Sold out -166,705-166.7k
RENAISSANCE TECHNOLOGIES LLC Reduced -115,800-115.8k
MARSHALL WACE, LLP Sold out -106,559-106.6k
Stonepine Capital Management, LLC Sold out -95,747-95.7k
TORONTO DOMINION BANK Reduced -40,077-40.1k
Palumbo Wealth Management LLC Reduced -33,193-33.2k
PRUDENTIAL FINANCIAL INC Sold out -16,200-16.2k
GSA CAPITAL PARTNERS LLP Sold out -12,287-12.3k
CITADEL ADVISORS LLC Sold out -4,284-4.3k

Biggest calls

SIMPLEX TRADING, LLC Added $35.0k5.1k shares
GROUP ONE TRADING LLC New $20.9k3.0k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Biggest puts

SIMPLEX TRADING, LLC New $11.0k1.7k shares
GROUP ONE TRADING LLC New $5.6k800 shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
Chernett Jorey 13G · passive investor +4.5 pts · filed 2026-05-20 9.9% +4.5 pts 2.4m≈ $11.2m 2026-05-20
NMSIC Co-Investment Fund, L.P. 13G · exempt (held before listing) -3.8 pts · filed 2026-02-11 6.0% -3.8 pts 1.4m≈ $6.4m 2026-02-11
Parian Ultreia LP 13G · exempt (held before listing) new · filed 2026-05-27 5.3% new 1.3m≈ $6.0m 2026-05-27

Fell to 5% or below in the last year: RTW INVESTMENTS, LP (4.9%, 2026-02-17)

Insider purchases and sales in Q2 2025

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
202Q3 23: 0 buyingQ3 23: 0 sellingQ4 23: 0 buyingQ4 23: 1 sellingQ4 23Q1 24: 0 buyingQ1 24: 1 sellingQ2 24: 1 buyingQ2 24: 0 sellingQ2 24Q3 24: 0 buyingQ3 24: 0 sellingQ4 24: 2 buyingQ4 24: 0 sellingQ4 24Q1 25: 0 buyingQ1 25: 0 sellingQ2 25: 0 buyingQ2 25: 0 sellingQ2 25
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q3 20230—0——
Q4 20230—1$59.2k—
Q1 20240—1$37.6k—
Q2 20241$77.6k0——
Q3 20240—0——
Q4 20242$134.7k0——
Q1 20250—0——
Q2 20250—0——

None reported in Q2 2025.

Holders, Q2 2025

#ManagerLocationShares Value% of their portfolioChangeShares change
1 RTW INVESTMENTS, LP 0.17% of their portfolio NEW YORK, NY 1,696,8661.7m $11.8m $11.8m 0.17% Added +185.0k +185,000
2 TORONTO DOMINION BANK 0.01% of their portfolio TORONTO, ONTARIO, A6 851,289851.3k $5.9m $5.9m 0.01% Reduced -40.1k -40,077
3 Balyasny Asset Management L.P. 0.01% of their portfolio Chicago, IL 718,782718.8k $5.0m $5.0m 0.01% New
4 VANGUARD GROUP INC 0.00% of their portfolio Valley Forge, PA 681,619681.6k $4.8m $4.8m 0.00% Added +190.7k +190,675
5 SILVERCREST ASSET MANAGEMENT GROUP LLC 0.02% of their portfolio NEW YORK, NY 531,767531.8k $3.7m $3.7m 0.02% Unchanged
6 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 524,996525.0k $3.7m $3.7m 0.00% Added +39.1k +39,076
7 Driehaus Capital Management LLC 0.03% of their portfolio Chicago, IL 480,918480.9k $3.4m $3.4m 0.03% Added +62.4k +62,413
8 UBS Group AG 0.00% of their portfolio ZURICH, V8 446,207446.2k $3.1m $3.1m 0.00% Added +383.7k +383,691
9 WEXFORD CAPITAL LP 0.81% of their portfolio WEST PALM BEACH, FL 416,348416.3k $2.9m $2.9m 0.81% New
10 KENNEDY CAPITAL MANAGEMENT LLC 0.05% of their portfolio ST LOUIS, MO 310,721310.7k $2.2m $2.2m 0.05% Added +15.6k +15,568
11 PERKINS CAPITAL MANAGEMENT INC 1.63% of their portfolio WAYZATA, MN 231,858231.9k $1.6m $1.6m 1.63% Reduced -191.1k -191,113
12 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 220,616220.6k $1.5m $1.5m 0.00% New
13 FourWorld Capital Management LLC 1.05% of their portfolio NEW YORK, NY 208,527208.5k $1.5m $1.5m 1.05% New
14 Manatuck Hill Partners, LLC 0.46% of their portfolio WESTPORT, CT 175,000175.0k $1.2m $1.2m 0.46% New
15 Massar Capital Management, LP 0.89% of their portfolio STAMFORD, CT 170,000170.0k $1.2m $1.2m 0.89% Added +149.2k +149,160
16 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 146,483146.5k $1.0m $1.0m 0.00% Added +45.9k +45,884
17 Point72 Asset Management, L.P. 0.00% of their portfolio STAMFORD, CT 136,380136.4k $951.9k $951.9k 0.00% New
18 Mink Brook Asset Management LLC 0.79% of their portfolio West Palm Beach, FL 130,000130.0k $907.4k $907.4k 0.79% New
19 Informed Momentum Co LLC 0.10% of their portfolio SOLANA BEACH, CA 97,77397.8k $682.5k $682.5k 0.10% New
20 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 94,95395.0k $662.8k $662.8k 0.00% New
21 Huntleigh Advisors, Inc. 0.12% of their portfolio ST. LOUIS, MO 87,86187.9k $613.3k $613.3k 0.12% Added +4.8k +4,753
22 BlackRock, Inc. 0.00% of their portfolio New York, NY 81,50581.5k $568.9k $568.9k 0.00% Added +48.1k +48,098
23 Calamos Advisors LLC 0.00% of their portfolio NAPERVILLE, IL 75,41375.4k $526.4k $526.4k 0.00% New
24 CITIZENS FINANCIAL GROUP INC/RI 0.01% of their portfolio PROVIDENCE, RI 67,60067.6k $471.8k $471.8k 0.01% New
25 Palumbo Wealth Management LLC 0.14% of their portfolio GREAT NECK, NY 66,01266.0k $460.8k $460.8k 0.14% Reduced -33.2k -33,193
26 TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio NEW YORK, NY 63,00063.0k $439.7k $439.7k 0.00% New
27 Nantahala Capital Management, LLC 0.03% of their portfolio NEW CANAAN, CT 61,18661.2k $427.1k $427.1k 0.03% Unchanged
28 Penbrook Management LLC 0.11% of their portfolio NEW YORK, NY 59,27559.3k $280.3k $280.3k 0.11% Added +19.9k +19,910
29 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 56,79156.8k $396.4k $396.4k 0.00% Added +23.1k +23,100
30 BRC Group Holdings, Inc. 0.41% of their portfolio LOS ANGELES, CA 50,00050.0k $349.0k $349.0k 0.41% New
31 Quadrature Capital Ltd 0.00% of their portfolio LONDON, X0 31,05531.1k $216.8k $216.8k 0.00% New
32 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 30,22230.2k $211.0k $211.0k 0.00% Unchanged
33 BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.00% of their portfolio HOUSTON, TX 27,80027.8k $194.0k $194.0k 0.00% Added +2.6k +2,600
34 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 22,60222.6k $157.8k $157.8k 0.00% New
35 RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio NEW YORK, NY 21,00021.0k $146.6k $146.6k 0.00% Reduced -115.8k -115,800
36 OCCUDO QUANTITATIVE STRATEGIES LP 0.02% of their portfolio FORT LAUDERDALE, FL 19,80819.8k $138.3k $138.3k 0.02% New
37 XTX Topco Ltd 0.01% of their portfolio LONDON, X0 19,03319.0k $132.8k $132.8k 0.01% New
38 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 18,37518.4k $128.3k $128.3k 0.00% Unchanged
39 Corient Private Wealth LP 0.00% of their portfolio MIAMI, FL 14,55514.6k $101.6k $101.6k 0.00% Unchanged
40 ACADIAN ASSET MANAGEMENT LLC 0.00% of their portfolio Boston, MA 12,59912.6k $87.0k $87.0k 0.00% Added +5.6k +5,615
41 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 11,65011.7k $80.0k $80.0k 0.00% Added +11.0k +10,964
42 Virtu Financial LLC 0.00% of their portfolio New York, NY 10,03910.0k $70.0k $70.0k 0.00% New
43 Allworth Financial LP 0.00% of their portfolio FOLSOM, CA 7,0157.0k $49.0k $49.0k 0.00% Unchanged
44 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 5,3875.4k $37.6k $37.6k 0.00% Added +3.0k +3,000
45 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 5,1455.1k $35.9k $35.9k 0.00% Unchanged
46 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 4,2144.2k $29.4k $29.4k 0.00% Reduced -127 -127
47 Truvestments Capital LLC 0.00% of their portfolio SARASOTA, FL 2,4712.5k $17.2k $17.2k 0.00% New
48 RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio ST. PETERSBURG, FL 1,5681.6k $10.9k $10.9k 0.00% New
49 LAZARD ASSET MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 1,2001.2k $8.0k $8.0k 0.00% New
50 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 1,0001.0k $7.0k $7.0k 0.00% Unchanged
51 FMR LLC 0.00% of their portfolio BOSTON, MA 357357 $2.5k $2.5k 0.00% New
52 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 3434 $237 $237 0.00% Added +5 +5
53 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 55 $35 $35 0.00% Unchanged
54 CONCOURSE FINANCIAL GROUP SECURITIES, INC. — of their portfolio BIRMINGHAM, AL 00 $0 $0 — Unchanged