Bicycle Therapeutics

BCYC · NASDAQ

$3.60+$0.065 (+1.84%)TodayMarket closed · Oct 20, 7:38 PM ET

Prev close $3.54

Who owns BCYC

Largest institutional holders, from their latest 13F filings

The 10 largest institutions hold 40.9% of BCYC’s shares.

Baker Bros. Advisors LP15.6%
Forbion Capital Partners5.0%
Armistice Capital LLC4.9%
Long Focus Capital Management LLC4.7%
Next 6 largest institutions10.8%
All other shareholders59.1%

Top institutional holders of BCYC
Holder	Shares	% of shares	Change, last filing	Filed
Baker Bros. Advisors LP	10.89M	15.59%	+0	Jun 30, 2026
Forbion Capital Partners	3.47M	4.97%	+0	Jun 30, 2026
Armistice Capital LLC	3.40M	4.87%	+0	Jun 30, 2026
Long Focus Capital Management LLC	3.31M	4.74%	+0	Jun 30, 2026
Acadian Asset Management LLC	1.97M	2.82%	+0	Jun 30, 2026
Renaissance Technologies LLC	1.53M	2.20%	+554.10K	Jun 30, 2026
GSK plc	1.53M	2.19%	+0	Jun 30, 2026
T. Rowe Price Associates, Inc.	902.15K	1.29%	−126.09K	Jun 30, 2026
Marshall Wace LLP	797.94K	1.14%	+420.61K	Jun 30, 2026
Qube Research & Technologies Ltd	775.57K	1.11%	+466.95K	Jun 30, 2026

Largest mutual fund holders

Top mutual fund holders of BCYC
Holder	Shares	% of shares	Change, last filing	Filed
T. Rowe Price Health Sciences Fund	628.42K	0.90%	−110.83K	Jun 30, 2026
iShares Biotechnology ETF	276.69K	0.40%	+3.86K	Aug 31, 2026
Old Westbury Small & Mid Cap Strategies Fund	265.97K	0.38%	+0	Apr 30, 2026
Goldman Sachs Multi-Manager US Sm Cp Eqty	99.18K	0.14%	−3.89K	Oct 31, 2025
Virtus Biotech Clinical Trials ETF	77.44K	0.11%	+702	Aug 31, 2026

Insider trades

Form 4 filings by officers, directors and large holders

Over the last 6 months, insiders sold $124.50K (25 trades) of BCYC on the open market, with no buys.

Latest BCYC insider transactions
Insider	Date	Type	Shares	Price	Value
Perry Jennifer Scott	Oct 5, 2026	Sale	326	$3.78	$1.23K
Perry Jennifer Scott	Oct 5, 2026	Sale	30	$3.57	$107
Perry Jennifer Scott	Oct 5, 2026	Sale	326	$3.78	$1.23K
Perry Jennifer Scott	Oct 5, 2026	Sale	80	$3.56	$285
Hannay Michael Charles Ferguson	Oct 5, 2026	Sale	242	$3.57	$864
Thompson Travis Alvin	Oct 5, 2026	Sale	79	$3.57	$282
Lee Kevin	Oct 5, 2026	Sale	1.64K	$3.57	$5.85K
Skynner Michael	Oct 5, 2026	Sale	503	$3.57	$1.80K
Perry Jennifer Scott	Oct 2, 2026	Sale	1.09K	$3.47	$3.80K
Swanton Robert Charles	Oct 2, 2026	Sale	3.43K	$3.47	$11.91K

Short interest

Settled Sep 30, 2026

Shares short: 3.30M
Days to cover: 8.72
% of shares outstanding: 4.73%
Average daily volume: 378.57K
Change since last report: −0.9%

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