Vault-13

QUIDEL CORP QDEL

COM · Common Stock · CUSIP 74838J101

2 institutional holders +0 vs Q1 2026
89,37889.4k shares reported held*
$1.6mreported value*
0 new 1 added 0 reduced 0 sold out net bought ≈ $164.4k (+6.8k 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. Holder counts are more reliable. Implied quarter-end price ≈ $17.52.

Trends to Q2 2026

Institutional holders

Managers reporting a position, each quarter

024Q3 22: 4Q4 22: 2Q1 23: 3Q2 23: 2Q3 23: 2Q4 23: 2Q1 24: 2Q2 24: 2Q3 24: 2Q4 24: 2Q1 25: 2Q2 25: 2Q3 25: 2Q4 25: 2Q1 26: 2Q2 26: 22Q3 22Q3 23Q3 24Q3 25Q2 26
Numbers
QuarterHolders
Q3 20224
Q4 20222
Q1 20233
Q2 20232
Q3 20232
Q4 20232
Q1 20242
Q2 20242
Q3 20242
Q4 20242
Q1 20252
Q2 20252
Q3 20252
Q4 20252
Q1 20262
Q2 20262

Buyers vs sellers

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

Bought or addedCut or sold out
101Q3 24: 0 bought or addedQ3 24: 0 cut or sold outQ4 24: 0 bought or addedQ4 24: 0 cut or sold outQ4 24Q1 25: 0 bought or addedQ1 25: 1 cut or sold outQ2 25: 1 bought or addedQ2 25: 0 cut or sold outQ2 25Q3 25: 0 bought or addedQ3 25: 0 cut or sold outQ4 25: 0 bought or addedQ4 25: 0 cut or sold outQ4 25Q1 26: 1 bought or addedQ1 26: 0 cut or sold outQ2 26: 1 bought or addedQ2 26: 0 cut or sold outQ2 26
Numbers
QuarterBought or addedCut or sold out
Q3 202400
Q4 202400
Q1 202501
Q2 202510
Q3 202500
Q4 202500
Q1 202610
Q2 202610

Biggest buyers

Birchview Capital, LP Added +6,829+6.8k

Biggest sellers

None

Insider purchases and sales since 1 Apr 2026

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
505Q4 24: 1 buyingQ4 24: 0 sellingQ1 25: 0 buyingQ1 25: 0 sellingQ1 25Q2 25: 0 buyingQ2 25: 0 sellingQ3 25: 0 buyingQ3 25: 0 sellingQ3 25Q4 25: 5 buyingQ4 25: 1 sellingQ1 26: 3 buyingQ1 26: 0 sellingQ1 26Q2 26: 0 buyingQ2 26: 0 sellingQ3 26: 0 buyingQ3 26: 0 sellingQ3 26
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q4 20241$249.9k0——
Q1 20250—0——
Q2 20250—0——
Q3 20250—0——
Q4 20255$679.8k1$112.0k—
Q1 20263$568.0k0——
Q2 20260—0——
Q3 20260—0——

None reported since 1 Apr 2026.

Holders, Q2 2026

#ManagerLocationShares Value% of their portfolioChangeShares change
1 Birchview Capital, LP 0.73% of their portfolio BURLINGTON, VT 89,37789.4k $1.6m $1.6m 0.73% Added +6.8k +6,829
2 HUNTINGTON NATIONAL BANK 0.00% of their portfolio COLUMBUS, OH 11 $100 $100 0.00% Unchanged