TScan Therapeutics, Inc. - Voting Common Stock, $0.0001 par value per share (TCRX)

Q: What does CUSIP 89854M101 represent in this 13F holders report?

CUSIP 89854M101 is the security identifier for TCRX - TScan Therapeutics, Inc. - Voting Common Stock, $0.0001 par value per share used to aggregate holder disclosures.

Q: How many institutions held TCRX - TScan Therapeutics, Inc. - Voting Common Stock, $0.0001 par value per share in Q1 2023?

28 institutional investors reported TCRX - TScan Therapeutics, Inc. - Voting Common Stock, $0.0001 par value per share for Q1 2023. Use the holders table for investor-level position and value details.

CUSIP: 89854M101

Q1 2023 13F Holders as of 31 Mar 2023

Type / Class: Equity / Voting Common Stock, $0.0001 par value per share
Shares outstanding: 55,838,719
Total 13F shares: 9,667,555
Share change: +148,250
Total reported value: $20,309,551
Price per share: $2.10
Number of holders: 28
Value change: +$609,616
Number of buys: 12
Number of sells: 6

Security key

89854M101

Report period

Q1 2023

Institutions

Top holders

TCRX full security history Newer quarter: Q2 2023 Previous quarter: Q4 2022 TScan Therapeutics, Inc. SEC filings TScan Therapeutics, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 89854M101

Newer quarter: Q2 2023 Previous quarter: Q4 2022

Recent filing periods:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of TCRX - TScan Therapeutics, Inc. - Voting Common Stock, $0.0001 par value per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
BAKER BROS. ADVISORS LP	13F	Company	5%	2,784,792	$4,316,428	—	31 Dec 2022	13F
BlackRock Finance, Inc.	13F	Company	2.7%	1,513,946	$2,346,616	—	31 Dec 2022	13F
Deer Management Co. LLC	13F	Company	2.2%	1,245,505	$1,930,533	—	31 Dec 2022	13F
Alphabet Inc.	13F	Company	1.9%	1,077,080	$1,647,932	—	31 Dec 2022	13F
DC Funds, LP	13F	Company	1.1%	630,000	$976,500	—	31 Dec 2022	13F
ADAGE CAPITAL PARTNERS GP, L.L.C.	13F	Company	0.98%	550,000	$852,500	—	31 Dec 2022	13F
TANG CAPITAL MANAGEMENT LLC	13F	Company	0.92%	514,655	$797,715	—	31 Dec 2022	13F
VANGUARD GROUP INC	13F	Company	0.48%	266,054	$412,383	—	31 Dec 2022	13F
Newtyn Management, LLC	13F	Company	0.41%	230,000	$374,900	—	31 Dec 2022	13F
Tekla Capital Management LLC	13F	Company	0.36%	200,000	$326,000	—	31 Dec 2022	13F
BRIDGEWAY CAPITAL MANAGEMENT, LLC	13F	Company	0.21%	115,000	$187,450	—	31 Dec 2022	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.18%	100,442	$163,000	—	31 Dec 2022	13F
NewEdge Wealth, LLC	13F	Company	0.16%	91,463	$141,768	—	31 Dec 2022	13F
MORGAN STANLEY	13F	Company	0.08%	42,175	$65,371	—	31 Dec 2022	13F
DC Investments Management, LLC	13F	Company	0.06%	35,563	$55,123	—	31 Dec 2022	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.03%	19,244	$31,000	—	31 Dec 2022	13F
LPL Financial LLC	13F	Company	0.03%	17,000	$26,350	—	31 Dec 2022	13F
Privium Fund Management (UK) Ltd	13F	Company	0.03%	15,825	$24,529	—	31 Dec 2022	13F
CANNELL CAPITAL LLC	13F	Company	0.03%	14,666	$22,732	—	31 Dec 2022	13F
STATE STREET CORP	13F	Company	0.02%	13,400	$21,842	—	31 Dec 2022	13F
PRUDENTIAL FINANCIAL INC	13F	Company	0.02%	12,800	$20,864	—	31 Dec 2022	13F
NORTHERN TRUST CORP	13F	Company	0.02%	11,245	$17,430	—	31 Dec 2022	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.02%	10,000	$16,000	—	31 Dec 2022	13F
Tower Research Capital LLC (TRC)	13F	Company	0.01%	6,247	$10,000	—	31 Dec 2022	13F
UBS Group AG	13F	Company	0%	1,000	$1,550	—	31 Dec 2022	13F
ATLAS CAPITAL ADVISORS INC.	13F	Company	0%	896	$1,388	—	31 Dec 2022	13F
BANK OF AMERICA CORP /DE/	13F	Company	0%	234	$362	—	31 Dec 2022	13F
WELLS FARGO & COMPANY/MN	13F	Company	0%	73	$113	—	31 Dec 2022	13F
Christoph H. Westphal	3/4/5	10%+ Owner	— class O/S missing	2,193,472	$10,898,266	—	20 Jul 2021	3/4/5
David P. Southwell	3/4/5	Chief Executive Officer, Director	— class O/S missing	100,000	—	—	02 Feb 2023	3/4/5
William Desmarais	3/4/5	Chief Business Officer	— class O/S missing	30,000	—	—	25 Jul 2022	3/4/5
Ittai Harel	3/4/5	Director	— class O/S missing	9,146	—	—	01 Jun 2022	3/4/5

Institutional Holders of TScan Therapeutics, Inc. - Voting Common Stock, $0.0001 par value per share (TCRX) as of Q1 2023

As of 31 Mar 2023, TScan Therapeutics, Inc. - Voting Common Stock, $0.0001 par value per share (TCRX) was held by 28 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 9,667,555 shares. The largest 10 holders included BAKER BROS. ADVISORS LP, BlackRock Inc., Deer Management Co. LLC, Alphabet Inc., DC Funds, LP, ADAGE CAPITAL PARTNERS GP, L.L.C., Simplify Asset Management Inc., VANGUARD GROUP INC, Newtyn Management, LLC, and Tekla Capital Management LLC. This page lists 28 institutional shareholders reporting positions in this security for the Q1 2023 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q1 2023 vs Q4 2022 Across Filers

Q4 2022 holders

Q1 2023 holders

Holder diff

Investor	Q4 2022 Shares	Q1 2023 Shares	Share Diff	Share Chg %	Q4 2022 Value $	Q1 2023 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.