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CITADEL ADVISORS LLC

Position in HBIO — Harvard Bioscience Inc

CIK 1423053 MIAMI, FL

Position in HBIO

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$81,493
+$52,689 QoQ
Shares Held
13,251
+208.2% QoQ
Ownership
0.291%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#20
of 37 holders
Holding Since
Jun 2020
19 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in HBIO Over Time

Shares Held

Position Value (USD)

Derivatives in HBIO

reported options exposure · as of Dec 31, 2025
CallValue
$12,931
CallShares
1,930
PutValue
$0
PutShares
0

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Medical Instruments & Supplies

Healthcare · as of Jun 30, 2026

CITADEL ADVISORS LLC holds $1,314,082,089 across 43 Medical Instruments & Supplies names. HBIO ranks #39 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in HBIO

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38 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $81,493 13,251
2025-12-31 $12,931 19,300
2025-12-31 $28,804 42,992
2025-09-30 $18,656 42,400
2025-06-30 $35,112 79,800
2025-06-30 $5,060 11,500
2025-03-31 $4,959 8,700
2025-03-31 $1,140 2,000
2025-03-31 $188,079 329,964
2024-12-31 $144,990 68,716
2024-12-31 $31,650 15,000
2024-09-30 $312,023 115,994
2024-09-30 $5,649 2,100
2024-09-30 $1,883 700
2024-06-30 $357,301 125,369
2024-06-30 $3,420 1,200
2024-06-30 $3,420 1,200
2024-03-31 $16,960 4,000
2024-03-31 $80,500 18,986
2024-03-31 $9,328 2,200
2023-09-30 $43,000 10,000
2023-09-30 $8,127 1,890
2023-09-30 $6,020 1,400
2023-06-30 $72,468 13,200
2023-06-30 $20,675 3,766
2023-06-30 $1,098 200
2023-03-31 $1,680 400
2023-03-31 $128,632 30,627
2023-03-31 $7,560 1,800
2022-12-31 $116,544 42,074
2022-12-31 $277 100
2022-09-30 $39,000 15,235
2022-06-30 $536,194 148,943
2022-03-31 $124,845 20,104
2021-09-30 $88,261 12,645
2021-09-30 $76,082 10,900
2021-03-31 $71,160 13,033
2020-06-30 $139,139 44,884