TScan Therapeutics TCRX Institutional Ownership

NASDAQ TCRX

$0.21 -0.01 (-4.39%)

As of: Oct 23, 2026 · 2:19 PM EDT

Institutions by Trading Activity

59 Institutions

Increased 29 49.2%

Unchanged 18 30.5%

Reduced 12 20.3%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

27.42%

▲+2.40 pp QoQ

Shares Held by Institutions

35.63Mn

of 129.95Mn outstanding

▲+9.62% QoQ

Shares Outstanding

129.95Mn

94.32Mn held outside 13F filers

Institutional Investors

filed 13F for Jun 2026

▼-1 vs prior quarter

Net Shares Added (QoQ)

+3.13Mn

accumulated since last quarter

Value of Holdings

$7.84Mn

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

TScan Therapeutics, Inc. (NASDAQ:TCRX) was reported as a holding by 59 institutional investors in 13F filings for the quarter ended June 30, 2026.

Collectively, these holders controlled 27.42% of TScan Therapeutics' outstanding shares in Q2 2026, up from 25.02% in Q1 2026.
Total shares held in TScan Therapeutics rose 9.62% versus Q1 2026, while the number of holders fell 24.36% versus Q2 2025.
Looking at the 59 holders of TCRX individually, 29 added to their positions, 12 reduced their stakes and 18 left their positions unchanged.
In total, institutional investors held 35.63Mn shares of TScan Therapeutics at the end of Q2 2026, up 3.13Mn from the prior quarter and up 979K from a year earlier.
Lynx1 Capital Management LP led 13F holders of TCRX with 8.02Mn shares as of June 30, 2026, or 6.17% of shares outstanding.
Among existing holders, the largest additions to TScan Therapeutics in Q2 2026 came from Acadian Asset Management LLC (+1.1Mn shares), Two Sigma Investments, LP (+740.6K shares), Citadel Advisors LLC (+690.7K shares), Marshall Wace, LLP (+450.02K shares) and Jacobs Levy Equity Management, Inc (+241.45K shares).
Among holders that kept a stake in TScan Therapeutics, the biggest sellers in Q2 2026 were BlackRock, Inc. (-846.3K shares), Millennium Management LLC (-296.67K shares), Susquehanna International Group, LLP (-133.6K shares), Renaissance Technologies LLC (-37.98K shares) and Bridgeway Capital Management, LLC (-35K shares).
According to Business Quant data, the leading holders of TCRX for Q2 2026 were Lynx1 Capital Management LP (8.02Mn shares), BVF Inc (5.56Mn shares), Baker Bros. Advisors LP (2.78Mn shares), Vanguard Capital Management LLC (2.16Mn shares), Two Sigma Investments, LP (1.95Mn shares), Renaissance Technologies LLC (1.33Mn shares), Acadian Asset Management LLC (1.31Mn shares), Deer Management Co. LLC (1.25Mn shares), Millennium Management LLC (1.16Mn shares) and Jacobs Levy Equity Management, Inc (1.05Mn shares).

Form 13F Holdings

59 Institutional Holders

Report period 30 Jun, 2026

Total shares held 35.63Mn

Of outstanding 27.42%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	Lynx1 Capital Management LP	0001910456	8,019,148	6.17%	0	0.00%	$7.86Mn
2	BVF INC/IL	0001056807	5,564,290	4.28%	0	0.00%	$5.45Mn
3	BAKER BROS. ADVISORS LP	0001263508	2,784,792	2.14%	0	0.00%	$2.73Mn
4	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	2,158,831	1.66%	▲4,575	+0.21%	$2.12Mn
5	TWO SIGMA INVESTMENTS, LP	0001179392	1,949,604	1.50%	▲740,595	+61.26%	$1.91Mn
6	RENAISSANCE TECHNOLOGIES LLC	0001037389	1,326,799	1.02%	▼37,984	-2.78%	$1.30Mn
7	ACADIAN ASSET MANAGEMENT LLC	0000916542	1,305,840	1.00%	▲1,103,853	+546.50%	$1.28K
8	Deer Management Co. LLC	0001494127	1,245,504	0.96%	0	0.00%	$1.22Mn
9	MILLENNIUM MANAGEMENT LLC	0001273087	1,163,611	0.90%	▼296,674	-20.32%	$1.14Mn
10	JACOBS LEVY EQUITY MANAGEMENT, INC	0000884414	1,049,806	0.81%	▲241,450	+29.87%	$1.03Mn
11	CITADEL ADVISORS LLC	0001423053	1,009,107	0.78%	▲690,696	+216.92%	$989.03K
12	BlackRock, Inc.	0002012383	994,654	0.77%	▼846,298	-45.97%	$974.86K
13	BOOTHBAY FUND MANAGEMENT, LLC	0001549230	772,241	0.59%	▲772,241	0.00%	$756.87K
14	MARSHALL WACE, LLP	0001318757	687,364	0.53%	▲450,018	+189.60%	$673.62K
15	DC Funds, LP	0001869028	630,000	0.48%	0	0.00%	$617.46K
16	GEODE CAPITAL MANAGEMENT, LLC	0001214717	584,811	0.45%	▼32,141	-5.21%	$573.40K
17	D. E. Shaw & Co., Inc.	0001009207	548,402	0.42%	▲228,815	+71.60%	$537.49K
18	GSA CAPITAL PARTNERS LLP	0001362033	548,087	0.42%	▲169,127	+44.63%	$537
19	Kalehua Capital Management LLC	0002106181	454,876	0.35%	▲454,876	0.00%	$445.82K
20	VANGUARD FIDUCIARY TRUST CO	0000933478	363,954	0.28%	▲58,182	+19.03%	$356.68K

Showing 1 to 20 of 59 holders