TScan Therapeutics TCRX Institutional Ownership

NASDAQ TCRX

$0.32 +0.00 (+0.95%)

At close: Oct 1, 2026 · 4:00 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

▲+13.31% 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)

+4.19Mn

accumulated since last quarter

Value of Holdings

$11.05Mn

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

Quarter ending 30 Jun, 2026

TScan Therapeutics, Inc. (NASDAQ:TCRX) has 59 institutional investors that have filed 13F reports for the period ending June 2026.

These investors held 27.4% of outstanding shares in June 2026, up from 25.0% in March 2026.
They increased total shares held in TScan Therapeutics by 13.31% from last quarter, and the number of investors in TCRX decreased 25.32% annually.
Of these 59 funds, 29 grew their exposure to TScan Therapeutics, 12 cut back, and 18 maintained positions.
The aggregate institutional position in TScan Therapeutics amounted to 35.63Mn shares as of June 2026, up by 4.19Mn shares quarter on quarter, and up 979.0K shares year over year.
As of June 30, 2026, the biggest holder of TScan Therapeutics is Lynx1 Capital Management LP at 8.02Mn shares, representing 6.17% of shares outstanding.
Top purchasers of TCRX stock for the quarter ending June 2026 included ACADIAN ASSET MANAGEMENT LLC (1.1Mn), BOOTHBAY FUND MANAGEMENT, LLC (772.24K), TWO SIGMA INVESTMENTS, LP (740.6K), CITADEL ADVISORS LLC (690.7K), Kalehua Capital Management LLC (454.88K).
The biggest sellers of TScan Therapeutics for the quarter ending June 2026 included BlackRock, Inc. (846.3K), MILLENNIUM MANAGEMENT LLC (296.67K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (133.6K), RENAISSANCE TECHNOLOGIES LLC (37.98K), BRIDGEWAY CAPITAL MANAGEMENT, LLC (35.0K).
TScan Therapeutics's 10 largest shareholders as of June 2026 include Lynx1 Capital Management LP (8.02Mn), BVF INC/IL (5.56Mn), BAKER BROS. ADVISORS LP (2.78Mn), VANGUARD CAPITAL MANAGEMENT LLC (2.16Mn), TWO SIGMA INVESTMENTS, LP (1.95Mn), RENAISSANCE TECHNOLOGIES LLC (1.33Mn), ACADIAN ASSET MANAGEMENT LLC (1.31Mn), Deer Management Co. LLC (1.25Mn), MILLENNIUM MANAGEMENT LLC (1.16Mn), JACOBS LEVY EQUITY MANAGEMENT, INC (1.05Mn) per Business Quant data.

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