Security key
89854M101
TScan Therapeutics, Inc. - Voting Common Stock, $0.0001 par value per share (TCRX)
CUSIP: 89854M101
Q1 2026 13F Holders as of 31 Mar 2026
- Type / Class
- Equity / Voting Common Stock, $0.0001 par value per share
- Shares outstanding
- 55,838,719
- Total 13F shares
- 32,503,875
- Share change
- +1,835,918
- Total reported value
- $32,818,057
- Price per share
- $1.01
- Number of holders
- 59
- Value change
- +$1,858,329
- Number of buys
- 23
- Number of sells
- 29
Report period
Q1 2026
Institutions
59
Top holders
10
TCRX full security history
Previous quarter: Q4 2025
TScan Therapeutics, Inc. SEC filings
TScan Therapeutics, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 89854M101
Recent filing periods:
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 |
|---|---|---|---|---|---|---|---|---|
| Lynx1 Capital Management LP |
3/4/5
13D/G
13F
|
10%+ Owner · Company |
15%
from 13D/G
|
15,519,148
mixed-class rows
|
$37,208,412 | +$145,526 | 19 Dec 2025 | |
| BIOTECHNOLOGY VALUE FUND L P |
13D/G
|
BVF PARTNERS L P/IL |
10%
|
5,578,288
|
$5,912,985 | +$333,632 | 31 Mar 2026 | |
| ADAGE CAPITAL PARTNERS GP, L.L.C. |
13D/G
|
Adage Capital Management, L.P. |
7.1%
|
3,500,000
|
$5,600,000 | $0 | 31 Dec 2024 | |
| K2 HealthVentures Equity Trust LLC |
13D/G
|
— |
6.9%
|
3,602,700
|
$5,764,320 | $0 | 31 Dec 2024 | |
| Adage Capital Management, L.P. |
13D/G
|
— |
2.5%
|
1,350,000
|
$1,957,500 | $0 | 30 Jun 2025 | |
| BlackRock, Inc. |
13F
13D/G
|
Company |
1.8%
from 13D/G
|
1,848,695
|
$1,848,695 | — | 31 Dec 2025 | |
| EcoR1 Capital, LLC |
3/4/5
13D/G
|
10%+ Owner |
1.3%
from 13D/G
|
5,000,000
|
$24,842,500 | — | 26 May 2023 | |
| BVF INC/IL |
13F
|
Company |
9.4%
|
5,226,074
|
$5,226,074 | — | 31 Dec 2025 | |
| BAKER BROS. ADVISORS LP |
13F
|
Company |
5%
|
2,784,792
|
$2,784,792 | — | 31 Dec 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
4.4%
|
2,475,733
|
$2,475,733 | — | 31 Dec 2025 | |
| Aberdeen Group plc |
13F
|
Company |
3.2%
|
1,785,241
|
$1,785,241 | — | 31 Dec 2025 | |
| Deer Management Co. LLC |
13F
|
Company |
2.2%
|
1,245,504
|
$1,245,504 | — | 31 Dec 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
2%
|
1,141,069
|
$1,141,069 | — | 31 Dec 2025 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
1.2%
|
651,179
|
$651,179 | — | 31 Dec 2025 | |
| DC Funds, LP |
13F
|
Company |
1.1%
|
630,000
|
$630,000 | — | 31 Dec 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
1%
|
562,153
|
$562,360 | — | 31 Dec 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
0.72%
|
403,618
|
$403,618 | — | 31 Dec 2025 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
0.7%
|
388,284
|
$388,284 | — | 31 Dec 2025 | |
| TWO SIGMA ADVISERS, LP |
13F
|
Company |
0.63%
|
353,900
|
$353,900 | — | 31 Dec 2025 | |
| MARSHALL WACE, LLP |
13F
|
Company |
0.61%
|
339,240
|
$339,240 | — | 31 Dec 2025 | |
| GSA CAPITAL PARTNERS LLP |
13F
|
Company |
0.41%
|
226,164
|
$226,000 | — | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
|
Company |
0.4%
|
225,829
|
$225,829 | — | 31 Dec 2025 | |
| XTX Topco Ltd |
13F
|
Company |
0.39%
|
219,001
|
$219,001 | — | 31 Dec 2025 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
0.39%
|
216,133
|
$216,133 | — | 31 Dec 2025 | |
| STATE STREET CORP |
13F
|
Company |
0.37%
|
207,313
|
$207,313 | — | 31 Dec 2025 | |
| JACOBS LEVY EQUITY MANAGEMENT, INC |
13F
|
Company |
0.34%
|
188,152
|
$188,152 | — | 31 Dec 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.29%
|
162,877
|
$162,877 | — | 31 Dec 2025 | |
| BROWN BROTHERS HARRIMAN & CO |
13F
|
Company |
0.26%
|
143,051
|
$143,051 | — | 31 Dec 2025 | |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.21%
|
115,400
|
$115,400 | — | 31 Dec 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.18%
|
98,198
|
$98,198 | — | 31 Dec 2025 | |
| LETKO, BROSSEAU & ASSOCIATES INC |
13F
|
Company |
0.17%
|
95,875
|
$95,875 | — | 31 Dec 2025 | |
| NewEdge Wealth, LLC |
13F
|
Company |
0.16%
|
91,463
|
$91,463 | — | 31 Dec 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.16%
|
86,903
|
$86,903 | — | 31 Dec 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
0.13%
|
74,467
|
$74,541 | — | 31 Dec 2025 | |
| STIFEL FINANCIAL CORP |
13F
|
Company |
0.13%
|
72,400
|
$72,400 | — | 31 Dec 2025 | |
| D. E. Shaw & Co., Inc. |
13F
|
Company |
0.12%
|
69,427
|
$69,427 | — | 31 Dec 2025 | |
| UBS Group AG |
13F
|
Company |
0.1%
|
55,198
|
$55,198 | — | 31 Dec 2025 | |
| TANG CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.08%
|
46,131
|
$46,131 | — | 31 Dec 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.07%
|
38,700
|
$38,700 | — | 31 Dec 2025 | |
| DC Investments Management, LLC |
13F
|
Company |
0.06%
|
35,563
|
$35,563 | — | 31 Dec 2025 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0.06%
|
33,349
|
$33,349 | — | 31 Dec 2025 | |
| ACADIAN ASSET MANAGEMENT LLC |
13F
|
Company |
0.05%
|
29,538
|
$28,000 | — | 31 Dec 2025 | |
| HRT FINANCIAL LP |
13F
|
Company |
0.05%
|
26,581
|
$26,000 | — | 31 Dec 2025 | |
| BNP PARIBAS FINANCIAL MARKETS |
13F
|
Company |
0.05%
|
26,360
|
$26,360 | — | 31 Dec 2025 | |
| PANAGORA ASSET MANAGEMENT INC |
13F
|
Company |
0.05%
|
25,256
|
$25,256 | — | 31 Dec 2025 | |
| HSBC HOLDINGS PLC |
13F
|
Company |
0.04%
|
24,574
|
$24,820 | — | 31 Dec 2025 | |
| PRUDENTIAL FINANCIAL INC |
13F
|
Company |
0.04%
|
24,400
|
$24,400 | — | 31 Dec 2025 | |
| BARCLAYS PLC |
13F
|
Company |
0.04%
|
23,196
|
$23,196 | — | 31 Dec 2025 | |
| LPL Financial LLC |
13F
|
Company |
0.04%
|
22,500
|
$22,500 | — | 31 Dec 2025 | |
| Neuberger Berman Group LLC |
13F
|
Company |
0.03%
|
18,400
|
$18,400 | — | 31 Dec 2025 |
Institutional Holders of TScan Therapeutics, Inc. - Voting Common Stock, $0.0001 par value per share (TCRX) as of Q1 2026
As of 31 Mar 2026,
TScan Therapeutics, Inc. - Voting Common Stock, $0.0001 par value per share (TCRX) was held by
59 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
32,503,875 shares.
The largest 10 holders included
Lynx1 Capital Management LP, BVF INC/IL, BAKER BROS. ADVISORS LP, VANGUARD CAPITAL MANAGEMENT LLC, BlackRock, Inc., MILLENNIUM MANAGEMENT LLC, RENAISSANCE TECHNOLOGIES LLC, Deer Management Co. LLC, TWO SIGMA INVESTMENTS, LP, and Aberdeen Group plc.
This page lists
59
institutional shareholders reporting positions in this security
for the Q1 2026 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q1 2026 vs Q4 2025 Across Filers
Q4 2025 holders
60
Q1 2026 holders
59
Holder diff
-1
| Investor | Q4 2025 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q4 2025 Value $ | Q1 2026 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.
An asterisk sign (*) next to the price indicates that the price is likely invalid.