CERS — CERUS CORP
Public company
InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.
Sourced from SEC EDGAR public filings
Why are billionaires buying CERS?
Built from public SEC filings and public economic data. Not a recommendation.
Why? — Evidence & Confidence ▾
Of 3 tracked investors who changed their CERS position last quarter, 1 bought and 2 sold (33% buy-side). Macro conditions are mixed for this sector (Macro Tailwind 56/100 in a Overheat regime).
- +1 tracked investor added or increased positions last quarter (Steve Cohen)
- +4 tracked investors reported holding CERS at their latest filing
- +Macro Health is 56/100 in a Overheat regime — historically acceptable for this sectorsource
- −2 tracked investors reduced or exited last quarter (2 reduced, 0 sold out)
- −13F data is disclosed up to 45 days after quarter end — positions may have changed since
- · 13F disclosure lag (up to 45 days)
- · Tracked investors are a sample, not the whole market
- · Sector regime fit is a historical average, not a guarantee
Every InvestorLens score shows its evidence — including what argues against it. Model conviction-v1 · generated 9/18/2026.
About CERUS CORP (CERS)
CERUS CORP (CERS) appears in the most recent 13F filings of 4 tracked institutional investors. The largest disclosed position is held by Cathie Wood (ARK Investment Management), valued at $52M. Across recent filings, tracked investors recorded 6 new positions, 8 increased, 10 reduced, and 2 exited. All data sourced from SEC 13F filings.
Based on recent institutional activity in CERS
How many top investors track CERS
A small number of top investors own this.
CERS Ownership Composition
How CERUS CORP is held across tracked investor types, based on reported 13F positions.
- Growth & Innovation93.8%
- Multi-Strategy / Quant6.2%
Tracked investors currently reporting CERS
1 tracked investor has since exited this position — listed separately below.
- Cathie WoodJun 30, 2026ARK Investment ManagementShares17.9MValue$52.4M% Portfolio0.34%
- Izzy EnglanderJun 30, 2026Millennium ManagementShares108.5KValue$316.8K% Portfolio0.00%
- Ken GriffinJun 30, 2026Citadel AdvisorsShares843.8KValue$2.5M% Portfolio0.00%
- Steve CohenJun 30, 2026Point72 Asset ManagementShares228.2KValue$666.3K% Portfolio0.00%
Previously held CERS
These investors reported CERS in an earlier quarter but not in their most recent 13F. Figures below are their last reported position, not a current holding.
| Investor | Firm | Last reported shares | Value then | Last held |
|---|---|---|---|---|
| Paul Tudor Jones | Tudor Investment Corp | 24.6K | $46.5K | Mar 31, 2024 |
Recent activity
- Increased$3.3M(29.96%)Nov 14, 2024
- Increased$4.4M(52.14%)Feb 14, 2025
- Increased$4.5M(11.97%)May 15, 2025
- Reduced$4.2M(-8.43%)Aug 14, 2025
- Reduced$2M(-72.11%)Feb 17, 2026
- Reduced$783K(-55.54%)May 15, 2026
- Reduced$316.8K(-74.78%)Aug 14, 2026
- Increased$45.2M(4.25%)Jan 17, 2024
- Increased$40.7M(3.02%)Apr 18, 2024
- Reduced$35M(-7.64%)Jul 26, 2024
- Reduced$31.7M(-8.42%)Oct 31, 2024
- Increased$32.1M(14.21%)Feb 4, 2025
- Reduced$28.7M(-0.77%)May 7, 2025
- Reduced$27.1M(-7.01%)Jul 30, 2025
- Reduced$37.5M(-3.45%)Feb 11, 2026
- Increased$34.9M(5.28%)May 12, 2026
- Reduced$52.4M(-6.41%)Aug 14, 2026
- New$1.6MNov 14, 2025
- Increased$2.2M(6.19%)Feb 17, 2026
- New$48.3KFeb 17, 2026
- Sold$0(-100.00%)May 15, 2026
- New$666.3KAug 14, 2026
- Sold$0(-100.00%)Aug 14, 2024
- New$32.5MOct 18, 2023
- $1.2MMay 15, 2024
- $46.5KMay 15, 2024
Frequently asked questions
- How many institutional investors hold CERS?
- 4 tracked institutional investors disclosed a position in CERS (CERUS CORP) in their most recent 13F filing.
- Who is the largest institutional holder of CERS?
- Cathie Wood, ARK Investment Management, holds the largest disclosed position in CERS, valued at $52M.
- Did institutional ownership of CERS increase or decrease?
- Across recent 13F filings, tracked investors recorded 6 new positions, 8 increased, 10 reduced, and 2 fully exited CERS.
- Where does this CERS ownership data come from?
- SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.