Equibles

CERS

Cerus Corp

Company with tickers: CERS

CIK
1020214
CUSIP
157085101
Shares Outstanding
200,368,974
13F Activity (30d)
142 filings 137 filers
Holders: 168
Total Value: $276,259,414
Total Shares: 151,790,946
Showing 1–100 of 170 holdings by value · page 1 of 2

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 168 13F filers · Δ vs Dec 31, 2025
Top Holder
14.2%
Jun 2023 → Mar 2026 · range 13.1% – 14.9%
−0.7 pts
Top 5
45.9%
Jun 2023 → Mar 2026 · range 45.5% – 51.0%
+0.3 pts
Top 10
61.2%
Jun 2023 → Mar 2026 · range 60.9% – 73.6%
+0.2 pts
HHI
585
Jun 2023 → Mar 2026 · range 585 – 719
Broadly held −10

Quarterly Activity

vs Dec 31, 2025
New
25
Increased
59
Decreased
54
Sold Out
17
Unchanged
30
Holder count: +8
Institutional value: -8.5%
Shares held: +3.5%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mid Soleus Capital Management, L.P. +6,753,700 10,753,700
Large ARK Investment Management LLC +960,944 19,161,148
Mega UBS Group AG +956,851 2,099,353
Mega TWO SIGMA INVESTMENTS, LP +887,911 2,745,021
Large ACADIAN ASSET MANAGEMENT LLC +431,390 3,709,501

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Mega MORGAN STANLEY −1,114,173 825,984
Mega CITADEL ADVISORS LLC −862,220 188,600
Mega BARCLAYS PLC −619,762 270,979
Mega MILLENNIUM MANAGEMENT LLC −537,475 430,219
Mega Nuveen, LLC −447,274 393,186

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD CAPITAL MANAGEMENT LLC 8,131,778 $14,799,835
Mega VANGUARD PORTFOLIO MANAGEMENT LLC 1,919,067 $3,492,701
Mega VANGUARD FIDUCIARY TRUST CO 1,304,098 $2,373,458
Large Driehaus Capital Management LLC 961,606 $1,750,122
Mid Atom Investors LP 351,214 $639,209

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega VANGUARD GROUP INC 11,163,121 $22,996,027
Large TWO SIGMA ADVISERS, LP 1,397,900 $2,879,674
Small KOTLER KEVIN 1,011,614 $2,083,924
Small Topline Capital Management, LLC 410,963 $846,583
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 255,961 $527,279
Filter: New 25 Increased 59 Reduced 54 Sold out 17 Unchanged 30
Showing 100 of 170
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mega BlackRock, Inc. $39,267,257 14.21% 21,575,419
Large ARK Investment Management LLC $34,873,289 12.62% 19,161,148
Mid Soleus Capital Management, L.P. $19,571,734 7.08% 10,753,700
Large BAKER BROS. ADVISORS LP $18,215,187 6.59% 10,008,345
Mega VANGUARD CAPITAL MANAGEMENT LLC $14,799,835 5.36% 8,131,778
Large WASATCH ADVISORS LP $9,611,667 3.48% 5,281,136
Mega GEODE CAPITAL MANAGEMENT, LLC $8,440,140 3.06% 4,637,440
Mega Sumitomo Mitsui Trust Group, Inc. $8,220,222 2.98% 4,516,606
Mid Amova Asset Management Americas, Inc. $8,220,222 2.98% 4,516,606
Large SILVERCREST ASSET MANAGEMENT GROUP LLC $7,719,368 2.79% 4,241,411
Mega STATE STREET CORP $7,671,121 2.78% 4,214,902
Mid Senvest Management, LLC $7,487,591 2.71% 4,114,061
Mega D. E. Shaw & Co., Inc. $6,790,694 2.46% 3,731,151
Large ACADIAN ASSET MANAGEMENT LLC $6,751,291 2.44% 3,709,501
Small SILVERARC CAPITAL MANAGEMENT, LLC $5,781,315 2.09% 3,176,547
Mega GOLDMAN SACHS GROUP INC $5,038,856 1.82% 2,768,603
Mega TWO SIGMA INVESTMENTS, LP $4,995,938 1.81% 2,745,021
Large IEQ CAPITAL, LLC $4,446,697 1.61% 2,443,241
Mega AQR CAPITAL MANAGEMENT LLC $3,846,078 1.39% 2,113,232
Mega UBS Group AG $3,820,822 1.38% 2,099,353
Mega VANGUARD PORTFOLIO MANAGEMENT LLC $3,492,701 1.26% 1,919,067
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $2,966,725 1.07% 1,630,069
Mega NORTHERN TRUST CORP Bank $2,702,863 0.98% 1,485,090
Mega VANGUARD FIDUCIARY TRUST CO Bank $2,373,458 0.86% 1,304,098
Large Assenagon Asset Management S.A. $2,276,989 0.82% 1,251,093
Mega BANK OF AMERICA CORP /DE/ Bank $2,217,360 0.80% 1,218,330
Mega FMR LLC $2,194,440 0.79% 1,205,737
Large VOYA INVESTMENT MANAGEMENT LLC $2,015,372 0.73% 1,107,348
Large Driehaus Capital Management LLC $1,750,122 0.63% 961,606
Mega MORGAN STANLEY $1,503,288 0.54% 825,984
Mega PRIMECAP MANAGEMENT CO/CA/ $1,436,526 0.52% 789,300
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $1,424,263 0.52% 782,563
Mid IQ EQ FUND MANAGEMENT (IRELAND) Ltd $1,421,336 0.51% 780,954
Large Connor, Clark & Lunn Investment Management Ltd. $1,250,152 0.45% 686,897
Large RENAISSANCE TECHNOLOGIES LLC $1,053,598 0.38% 578,900
Small GLOBEFLEX CAPITAL L P $950,220 0.34% 522,099
Mega Bank of New York Mellon Corp Bank $923,567 0.33% 507,455
Large Russell Investments Group, Ltd. $848,182 0.31% 466,036
Mega AMERIPRISE FINANCIAL INC $826,372 0.30% 454,051
Mega MILLENNIUM MANAGEMENT LLC $782,998 0.28% 430,219
Mega Invesco Ltd. $741,854 0.27% 407,613
Mega Nuveen, LLC $715,597 0.26% 393,186
Mid Atom Investors LP $639,209 0.23% 351,214
Mid Voleon Capital Management LP $592,440 0.21% 325,517
Large STIFEL FINANCIAL CORP $582,785 0.21% 320,212
Large PANAGORA ASSET MANAGEMENT INC $555,547 0.20% 305,246
Small Sepio Capital, LP $537,810 0.19% 295,500
Mega BARCLAYS PLC $493,180 0.18% 270,979
Small Round Rock Advisors LLC $482,238 0.17% 264,966
Mid LEVIN CAPITAL STRATEGIES, L.P. $460,611 0.17% 253,083
Mega RAYMOND JAMES FINANCIAL INC $456,219 0.17% 250,670
Large LAZARD ASSET MANAGEMENT LLC $432,650 0.16% 237,720
Mega HSBC HOLDINGS PLC $421,062 0.15% 231,353
Mid BRIDGEWAY CAPITAL MANAGEMENT, LLC $409,500 0.15% 225,000
Mega RHUMBLINE ADVISERS $398,347 0.14% 218,872
Mid XTX Topco Ltd $382,685 0.14% 210,267
Mega ALLIANCEBERNSTEIN L.P. $340,534 0.12% 187,107
Mega DEUTSCHE BANK AG\ Bank $310,362 0.11% 170,529
Mega FRANKLIN RESOURCES INC $270,550 0.10% 148,654
Large CWM, LLC $263,718 0.10% 144,900
Mega CITADEL ADVISORS LLC $248,066 0.09% 136,300
Large Cerity Partners LLC $230,327 0.08% 126,554
Mega PRICE T ROWE ASSOCIATES INC /MD/ $228,304 0.08% 125,442
Mid ALGERT GLOBAL LLC $216,354 0.08% 118,876
Mid GSA CAPITAL PARTNERS LLP $213,942 0.08% 117,551
Small State of Wyoming $206,240 0.07% 113,319
Mega Vanguard Global Advisers, LLC $198,969 0.07% 109,324
Large Focus Partners Wealth $197,584 0.07% 108,563
Mid STEPHENS INC /AR/ $187,809 0.07% 103,192
Large WEALTH ENHANCEMENT ADVISORY SERVICES, LLC $187,021 0.07% 102,759
Small Headlands Technologies LLC $186,817 0.07% 102,647
Mega WELLS FARGO & COMPANY/MN $172,162 0.06% 94,595
Mid Engineers Gate Manager LP $161,554 0.06% 88,766
Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Mutual Fund $159,856 0.06% 87,833
Small Joel Isaacson & Co., LLC $154,700 0.06% 85,000
Mega LPL Financial LLC $153,480 0.06% 84,330
Large Creative Planning $151,744 0.05% 83,376
Mega BNP PARIBAS ARBITRAGE, SA $149,474 0.05% 82,129
Large FIRST MANHATTAN CO. LLC. $149,240 0.05% 82,000
Mega JPMORGAN CHASE & CO $145,016 0.05% 79,680
Large Mariner, LLC $132,024 0.05% 72,541
Large MetLife Investment Management, LLC $115,600 0.04% 63,517
Large Police & Firemen's Retirement System of New Jersey Pension $108,765 0.04% 59,761
Large MERCER GLOBAL ADVISORS INC /ADV $105,414 0.04% 57,920
Large Squarepoint Ops LLC $99,988 0.04% 54,939
Mega JANE STREET GROUP, LLC $96,792 0.04% 53,183
Mega CITADEL ADVISORS LLC $95,186 0.03% 52,300
Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE Insurance $94,137 0.03% 51,724
Large Janney Montgomery Scott LLC $85,722 0.03% 47,100
Large NEW YORK STATE COMMON RETIREMENT FUND Pension $82,256 0.03% 45,196
Large Steward Partners Investment Advisory, LLC $81,463 0.03% 44,760
Mid Tower Research Capital LLC (TRC) $75,931 0.03% 41,721
Large CAPTRUST FINANCIAL ADVISORS $75,011 0.03% 41,215
Large MACKENZIE FINANCIAL CORP $74,139 0.03% 40,736
Small EntryPoint Capital, LLC $72,681 0.03% 39,935
Large SEI INVESTMENTS CO $63,110 0.02% 34,676
Mid Laird Norton Wetherby Trust Company, LLC Bank $61,625 0.02% 33,860
Large PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO Pension $58,946 0.02% 32,388
Mid INTECH INVESTMENT MANAGEMENT LLC $58,660 0.02% 32,231
Mega CITIGROUP INC $57,531 0.02% 31,611
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