Form 13-F position report

TOURMALINE BIO INC

Reported by BlackRock Inc

TRML CUSIP 89157D105 Manager CIK 0001364742

Reported 1,724,216 shares, up 1,228,841 (248.1%) from the prior quarter.

Reported value 95.5%; share count 248.1% vs. the prior quarter.

Added
% of reported 13F value < 0.01% This manager · Q2 2024
Shares 1,724,216 Quarter-end amount reported
Reported value $22,173,418 Fair value at quarter end
Consecutive quarters held 3 Through Q2 2024

Reported position value by quarter

Reported position value by quarter

Each bar is a Form 13-F quarter-end snapshot. It does not show trades made within the quarter.

Reported position value by quarter
Date Holding Value
2023-12-31 7130804
2024-03-31 11344087
2024-06-30 22173418
2024-09-30 45078550
2024-12-31 36583093
2025-03-31 27259482
2025-06-30 26126732
2025-09-30 72595275
2025-12-31 0

Quarterly position history

How this manager's reported quarter-end position changed over time.

9 quarters
Quarterly reported position history for TOURMALINE BIO INC held by BlackRock Inc.
Quarter Activity Shares Change % of reported 13F Reported value Filed Source filing
Q4 2025 Reduced 0 -1,517,777 (-100.0%) 0 $0 2026-02-12
Q3 2025 Reduced 1,517,777 -116,165 (-7.1%) < 0.01% $72,595,275 2025-11-12
Q2 2025 Reduced 1,633,942 -158,266 (-8.8%) < 0.01% $26,126,732 2025-08-12
Q1 2025 Reduced 1,792,208 -11,692 (-0.6%) < 0.01% $27,259,482 2025-05-02
Q4 2024 Added 1,803,900 +50,553 (2.9%) < 0.01% $36,583,093 2025-02-07
Q3 2024 New 1,753,347 +1,753,347 (0.0%) < 0.01% $45,078,550 2024-11-13
Q2 2024 Added 1,724,216 +1,228,841 (248.1%) < 0.01% $22,173,418 2024-08-13
Q1 2024 Added 495,375 +222,999 (81.9%) < 0.01% $11,344,087 2024-05-10
Q4 2023 New 272,376 +272,376 (0.0%) < 0.01% $7,130,804 2024-02-13

Who else reported the position

115 managers reported TOURMALINE BIO INC for Q2 2024.

Managers reporting TOURMALINE BIO INC in Q2 2024.
Manager Activity Shares Change % of reported 13F Reported value Tenure
RA CAPITAL MANAGEMENT L P New 2,538,925 +2,538,925 0.43% $32,650,576 1 qtr
Avoro Capital Advisors LLC Unchanged 2,222,222 0 0.38% $28,577,775 3 qtrs
BlackRock Inc This report Added 1,724,216 +1,228,841 < 0.01% $22,173,418 3 qtrs
Blue Owl Capital Holdings LP Added 1,715,401 +268,000 6.14% $22,060,057 3 qtrs
TCG Crossover Management LLC Unchanged 1,477,593 0 1.98% $19,001,846 3 qtrs
JENNISON ASSOCIATES LLC Added 1,127,691 +12,440 < 0.01% $14,502,107 2 qtrs
VANGUARD GROUP INC Added 1,047,122 +132,603 < 0.01% $13,465,988 3 qtrs
Qiming U S Ventures Management LLC Unchanged 741,691 0 18.13% $9,538,146 3 qtrs
RTW INVESTMENTS LP Unchanged 741,656 0 0.15% $9,537,696 3 qtrs
QVT Financial LP Reduced 711,275 -237,091 0.86% $9,146,996 3 qtrs
Premium adds each manager's conviction percentile across reporting peers.
Filing details and methodology As reported
Report period
June 30, 2024
Filed
August 13, 2024
Filing type
13F-HR
Position type
COM

Voting authority reported

Sole
1,689,052
Shared
0
None
35,164

“None” means the manager reported no voting authority for those shares on non-routine matters. It does not disclose why and is not evidence of securities lending.

Form 13-F is a delayed quarter-end snapshot of disclosed long Section 13(f) securities. It can be filed up to 45 days after quarter end, excludes short positions and most non-U.S. securities, and does not reveal intra-quarter trading. For options, reported shares and value describe the underlying-share exposure; strike, expiry, premium, and written positions are not disclosed.