Mariner
CERS icon

Mariner’s Cerus CERS Stock Holding History

Mariner’s Portfolio CERS Stock Details CERS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$132K Buy
72,541
+18,015
+33% +$39.3K ﹤0.01% 3271
2025
Q4 		$112K Buy
54,526
+13,984
+34% +$24.2K ﹤0.01% 3313
2025
Q3 		$64.5K Sell
40,542
-3,341
-8% -$4.51K ﹤0.01% 3420
2025
Q2 		$61.9K Buy
+43,883
New +$58.5K ﹤0.01% 3317
2023
Q1 		– Sell
-86,375
Closed -$315K – 2802
2022
Q4 		$315K Buy
86,375
+75,963
+730% +$286K ﹤0.01% 1987
2022
Q3 		$37K Buy
+10,412
New +$49.8K ﹤0.01% 2342

Other funds holding CERS

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
AIM
ARK Investment Management St. Petersburg, Florida $12.9B AUM 64.92% 1-Year Est. Return
SCM
Soleus Capital Management Greenwich, Connecticut $2.47B AUM 115.63% 1-Year Est. Return
BBA
Baker Bros. Advisors New York $17.4B AUM 131.5% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
WA
Wasatch Advisors Salt Lake City, Utah $15.3B AUM 25.06% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
NAMA
Nikko Asset Management Americas New York $7.07B AUM 50.91% 1-Year Est. Return
Sumitomo Mitsui Trust Group
Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $154B AUM 29.96% 1-Year Est. Return
SAM
Silvercrest Asset Management New York $13.8B AUM 28.39% 1-Year Est. Return

Mariner's CERS Position: Q1 2026 in Review

Mariner increased its Cerus (CERS) stake by 33% in Q1 2026, buying an estimated $39.3K and bringing the position to 72,541 shares worth $132K. The position accounts for ﹤0.01% of the portfolio, ranked #3271.

Mariner first reported a position in CERS in Q3 2022 and has held it in 6 quarters since. The position peaked at $315K in Q4 2022. 168 funds tracked by Wall St. Rank hold CERS as of Q1 2026.

  • Mariner held 72,541 shares of Cerus worth $132K as of Q1 2026.
  • Mariner bought 18,015 Cerus shares in Q1 2026, an estimated $39.3K.
  • Cerus made up ﹤0.01% of Mariner's portfolio in Q1 2026, its #3271 holding.
  • Mariner first reported a position in Cerus in Q3 2022 and has held it in 6 quarters since.
  • Mariner's Cerus position peaked at $315K in Q4 2022.
  • 168 funds tracked by Wall St. Rank held Cerus as of Q1 2026.

Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.