Connect Biopharma Holdings CNTB Institutional Ownership

NASDAQ CNTB

$0.75 -0.05 (-5.66%)

As of: Oct 22, 2026 · 10:57 AM EDT

Institutions by Trading Activity

56 Institutions

Increased 40 71.4%

Unchanged 7 12.5%

Reduced 9 16.1%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

22.10%

▲+1.77 pp QoQ

Shares Held by Institutions

13.92Mn

of 62.97Mn outstanding

▲+9.18% QoQ

Shares Outstanding

62.97Mn

49.06Mn held outside 13F filers

Institutional Investors

filed 13F for Jun 2026

▲+16 vs prior quarter

Net Shares Added (QoQ)

+1.17Mn

accumulated since last quarter

Value of Holdings

$12.25Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Updated Oct 11, 2026

Connect Biopharma Holdings Ltd (NASDAQ:CNTB) counted 56 institutional investors among its 13F-reported shareholders for the quarter ended June 30, 2026.

Their combined stake equaled 22.10% of outstanding shares in Q2 2026, up from 20.33% in Q1 2026.
Total shares held in Connect Biopharma Holdings rose 9.18% from Q1 2026, while the number of holders rose 273.33% from Q2 2025.
Of the 56 holders, 40 added to their positions, 9 reduced their stakes and 7 left their positions unchanged in Q2 2026.
The aggregate institutional position in Connect Biopharma Holdings was 13.92Mn shares at the end of Q2 2026, up 1.17Mn from the prior quarter and up 11.53Mn from a year earlier.
As of June 30, 2026, Ikarian Capital, LLC held the largest stake in Connect Biopharma Holdings with 4.54Mn shares, or 7.21% of shares outstanding.
The biggest increases in CNTB positions during Q2 2026 came from 683 Capital Management, LLC (+385K shares), Marshall Wace, LLP (+269.63K shares), Geode Capital Management, LLC (+225.32K shares), BML Capital Management, LLC (+164.4K shares) and Two Sigma Investments, LP (+151.92K shares).
The largest position reductions in CNTB for Q2 2026 were by Ikarian Capital, LLC (-849.95K shares), Millennium Management LLC (-430.89K shares), Boothbay Fund Management, LLC (-260.85K shares), Susquehanna International Group, LLP (-176.66K shares) and ADAR1 Capital Management, LLC (-42.4K shares).
Per Business Quant data, the 10 largest holders of Connect Biopharma Holdings at the end of Q2 2026 were Ikarian Capital, LLC (4.54Mn shares), 683 Capital Management, LLC (1.28Mn shares), Boothbay Fund Management, LLC (973.73K shares), BlackRock, Inc. (871.65K shares), Perceptive Advisors LLC (792.7K shares), ADAR1 Capital Management, LLC (700K shares), BML Capital Management, LLC (573.29K shares), Silverarc Capital Management, LLC (545K shares), Richmond Brothers, Inc. (535.61K shares) and Knott David M Jr (444.86K shares).

Form 13F Holdings

56 Institutional Holders

Report period 30 Jun, 2026

Total shares held 13.92Mn

Of outstanding 22.10%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	Ikarian Capital, LLC	0001778253	4,538,534	7.21%	▼849,952	-15.77%	$10.80Mn
2	683 Capital Management, LLC	0001404574	1,285,000	2.04%	▲385,000	+42.78%	$3.06Mn
3	BOOTHBAY FUND MANAGEMENT, LLC	0001549230	973,732	1.55%	▼260,850	-21.13%	$2.32Mn
4	BlackRock, Inc.	0002012383	871,653	1.38%	▲871,653	0.00%	$2.07Mn
5	PERCEPTIVE ADVISORS LLC	0001224962	792,696	1.26%	0	0.00%	$1.89Mn
6	ADAR1 Capital Management, LLC	0001940272	700,000	1.11%	▼42,400	-5.71%	$1.67Mn
7	BML Capital Management, LLC	0001616824	573,287	0.91%	▲164,400	+40.21%	$1.36Mn
8	SILVERARC CAPITAL MANAGEMENT, LLC	0001816307	545,000	0.87%	▲545,000	0.00%	$1.30Mn
9	Richmond Brothers, Inc.	0001540462	535,612	0.85%	▲59,028	+12.39%	$1.27Mn
10	Knott David M Jr	0001892770	444,862	0.71%	▲57,027	+14.70%	$1.06Mn
11	Stonepine Capital Management, LLC	0001440771	364,254	0.58%	▲54,254	+17.50%	$866.93K
12	MARSHALL WACE, LLP	0001318757	335,642	0.53%	▲269,629	+408.45%	$798.83K
13	GEODE CAPITAL MANAGEMENT, LLC	0001214717	257,454	0.41%	▲225,325	+701.31%	$612.74K
14	TWO SIGMA INVESTMENTS, LP	0001179392	199,381	0.32%	▲151,916	+320.06%	$474.53K
15	DIADEMA PARTNERS LP	0002026172	196,985	0.31%	▼3,705	-1.85%	$468.82K
16	Burkehill Global Management, LP	0001904549	150,000	0.24%	0	0.00%	$357.00K
17	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	102,755	0.16%	▲102,755	0.00%	$244.56K
18	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0001446194	102,148	0.16%	▼176,660	-63.36%	$243.11K
19	RENAISSANCE TECHNOLOGIES LLC	0001037389	87,300	0.14%	▼33,400	-27.67%	$207.77K
20	Northern Trust Corp	0000073124	82,862	0.13%	▲82,862	0.00%	$197.21K

Showing 1 to 20 of 56 holders