Sabby Management’s Bluejay Diagnostics BJDX Stock Holding History

Sabby Management’s Portfolio BJDX Stock Details BJDX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$52.9K	Buy	+28,726	New	+$71K	0.12%	24
2025 Q4	–	Sell	-7,407	Closed	-$45K	–	36
2025 Q3	$45K	Sell	7,407 -16,601	-69%	-$100K	0.05%	33
2025 Q2	$165K	Buy	+24,008	New	+$196K	0.3%	26
2024 Q4	–	Sell	-1,526	Closed	-$38.8K	–	30
2024 Q3	$38.8K	Buy	+1,526	New	+$109K	0.02%	28
2024 Q2	–	Sell	-117	Closed	-$150K	–	44
2024 Q1	$150K	Buy	117 +23	+24%	+$31.7K	0.09%	27
2023 Q4	$183K	Buy	94 +81	+623%	+$439K	0.18%	27
2023 Q3	$91.9K	Buy	+13	New	+$122K	0.07%	52
2023 Q1	–	Sell	-1	Closed	-$9.91K	–	96
2022 Q4	$9.91K	Hold	1	–	–	0.01%	103
2022 Q3	$20K	Hold	1	–	–	0.03%	101
2022 Q2	$35K	Buy	+1	New	+$35.5K	0.02%	108

Other funds holding BJDX

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

TRCT

Tower Research Capital (TRC) New York $3.85B AUM 32.11% 1-Year Est. Return

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

LGM

L1 Global Manager Melbourne $149M AUM

CIAM

Caitong International Asset Management Hong Kong $541M AUM 1,009.51% 1-Year Est. Return

Sabby Management's BJDX Position: Q1 2026 in Review

Sabby Management opened a new position in Bluejay Diagnostics (BJDX) in Q1 2026: 28,726 shares worth $52.9K. The stake represents 0.12% of the portfolio and ranks #24 among its holdings. This is a return to the name: Sabby Management previously reported a position in BJDX as recently as Q3 2025.

Sabby Management first reported a position in BJDX in Q2 2022 and has held it in 10 quarters since. The position peaked at $183K in Q4 2023. 6 funds tracked by Wall St. Rank hold BJDX as of Q1 2026.

Sabby Management held 28,726 shares of Bluejay Diagnostics worth $52.9K as of Q1 2026.
Bluejay Diagnostics was a new Sabby Management position in Q1 2026.
Bluejay Diagnostics made up 0.12% of Sabby Management's portfolio in Q1 2026, its #24 holding.
Sabby Management first reported a position in Bluejay Diagnostics in Q2 2022 and has held it in 10 quarters since.
Sabby Management's Bluejay Diagnostics position peaked at $183K in Q4 2023.
6 funds tracked by Wall St. Rank held Bluejay Diagnostics as of Q1 2026.

Based on Sabby Management's 13F filing for Q1 2026, filed 15 May 2026.