Cerus CORP
$2.18-3.5%
+$3.3M
Net Activity
+0.28% total shares
Institutions Holding
188
Popularity Rank
#3166
Avg Weight
0.02%
Total Value
$446.0M
Market Cap
$415.5M
188 institutions currently hold CERS, with 114 net buyers and 72 net sellers this quarter.
Institutional Moves (Q2 2026)
Majority Increased
Based on recent trading activity
Net Selling Institutions
72
Net Buying Institutions
114
Top 5 by Value
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Across its top 20 institutional holders, CERS's holder base skews toward low-concentration, low-turnover investors on average (avg. concentration score 8/100, avg. turnover score 37/100).
CERS ranks #3166 out of 37696 tracked stocks by institutional interest — one of the most closely watched names in our coverage.
CERS is a disclosed holding of Cathie Wood (ARK Investment Management), one of the tracked superinvestors on AlphaSMO — it makes up 0.3% of that fund's own 13F portfolio.
188 institutions disclose a position in CERS, but none treat it as a major bet — even Silverarc Capital Management, LLC, its most concentrated holder, allocates just 1.1% of its own portfolio to it.
Assenagon Asset Management S.A. has trimmed its CERS position for two straight quarters, cutting it by $1.5M while still holding $749.8K.
CERS is down 3.5% today, but institutions show net buying of $3.3M this quarter — a divergence between today's price move and the underlying institutional flow.
CERS reported a net loss of $6.8M over the trailing twelve months.
+$70.5M
Total Buy Value
$67.2M
Total Sell Value
114
Net Buyers
72
Net Sellers
CERS
Q2 2026
Top 5 Institutional Movers
CERS does not currently have enough recent insider (Form 4) trading activity to compute a convergence signal against its 13F institutional flows.
13F data as of 2026-09-30 quarterly filings. Note: many large institutions file close to the 45-day post-quarter deadline, so early-quarter flow figures can shift substantially as more filings arrive.
1
Filings (90d)
$90K
Total Est. Value
30K shares
Planned Shares
| Filer | Filing Date | Est. Value |
|---|---|---|
| CHRYSTAL NIKOLE JENSEN | 2026-08-17 | $90K |
Form 144 is a planned sale notice, not an executed transaction. Form 144 Tracker。
1
Active 5%+ Holders
| Reporting Person | Type | Filing Date | % of Class |
|---|---|---|---|
| ARK Investment Management LLC | 13G/A | 2026-08-14 | 8.9% |
| Baker Bros. Advisors LP | 13G/A | 2026-08-14 | 3.2% |
| Soleus Capital Master Fund, L.P. | 13G/A | 2026-08-13 | 1.2% |
1
Filings (14d)
Cerus Corporation announced its financial results for the second quarter ended June 30, 2026, on July 30, 2026, via a press release furnished as Exhibit 99.1 to this 8-K. This is a routine earnings disclosure — the actual numbers, such as revenue and earnings, are in the attached press release and are not included in this excerpt, so no specific figures can be confirmed from the filing text alone.
View Full Filing (SEC EDGAR)157085101
The most-added stocks by 13F institutions this quarter
Institutions Holding
6,278
Total reported value
$2.2T
3254 13F institutions increased their position this quarter
Institutions Holding
6,025
Total reported value
$3.6T
3054 13F institutions increased their position this quarter
Institutions Holding
6,188
Total reported value
$1.8T
2995 13F institutions increased their position this quarter
The most widely held stocks tracked across all 13F institutions
Institutions Holding
5,841
Total reported value
$1.8T
Held by 5841 institutions — one of the most-tracked stocks on AlphaSMO
Institutions Holding
5,283
Total reported value
$1.3T
Held by 5283 institutions — one of the most-tracked stocks on AlphaSMO
Institutions Holding
5,174
Total reported value
$671.0B
Held by 5174 institutions — one of the most-tracked stocks on AlphaSMO
Access CERS's institutional ownership data programmatically:
REST API
curl https://alphasmo.com/api/v1/market/stock/CERSCLI
npx alphasmo stocks get CERS