BlackRock
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BlackRock’s Cardio Diagnostics CDIO Stock Holding History

BlackRock’s Portfolio CDIO Stock Details CDIO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$76K Hold
34,708
– – ﹤0.01% 5073
2026
Q1 		$67.7K Sell
34,708
-859
-2% -$2.25K ﹤0.01% 5050
2025
Q4 		$96.4K Hold
35,567
– – ﹤0.01% 4914
2025
Q3 		$143K Hold
35,567
– – ﹤0.01% 4755
2025
Q2 		$128K Sell
35,567
-2
-0% -$15 ﹤0.01% 4779
2025
Q1 		$352K Hold
35,569
– – ﹤0.01% 4480
2024
Q4 		$978K Hold
35,569
– – ﹤0.01% 4228
2024
Q3 		$238K Hold
35,569
– – ﹤0.01% 4490
2024
Q2 		$587K Hold
35,569
– – ﹤0.01% 4303
2024
Q1 		$1.52M Hold
35,569
– – ﹤0.01% 4089
2023
Q4 		$2.66M Buy
+35,569
New +$1.23M ﹤0.01% 3929

Other funds holding CDIO

State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
SS
SBI Securities Tokyo, Japan $4.4B AUM 74.26% 1-Year Est. Return

BlackRock's CDIO Position: Q2 2026 in Review

BlackRock held its Cardio Diagnostics (CDIO) position steady in Q2 2026 at 34,708 shares worth $76K. The position accounts for ﹤0.01% of the portfolio, ranked #5073.

BlackRock first reported a position in CDIO in Q4 2023 and has held it in 11 quarters since. The position peaked at $2.66M in Q4 2023. 3 funds tracked by Wall St. Rank hold CDIO as of Q2 2026.

  • BlackRock held 34,708 shares of Cardio Diagnostics worth $76K as of Q2 2026.
  • BlackRock left its Cardio Diagnostics share count unchanged in Q2 2026.
  • Cardio Diagnostics made up ﹤0.01% of BlackRock's portfolio in Q2 2026, its #5073 holding.
  • BlackRock first reported a position in Cardio Diagnostics in Q4 2023 and has held it in 11 quarters since.
  • BlackRock's Cardio Diagnostics position peaked at $2.66M in Q4 2023.
  • 3 funds tracked by Wall St. Rank held Cardio Diagnostics as of Q2 2026.

Based on BlackRock's 13F filing for Q2 2026, filed 7 Aug 2026.