Vault-13

GOSSAMER BIO INC GOSS 5 06.01.27

NOTE 5.000% 6/0 · US DOMESTIC · CUSIP 38341PAA0

14 institutional holders +0 vs Q1 2025
1,500,0001.5m shares reported held*
$94.2mreported value*
2 new 2 added 5 reduced 2 sold out net sold ≈ $7.5m (-1.2m shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Implied quarter-end price ≈ $62.77.

Trends to Q2 2025

Institutional holders

Managers reporting a position, each quarter

0102030Q3 22: 25Q4 22: 20Q1 23: 19Q2 23: 15Q3 23: 15Q4 23: 14Q1 24: 14Q2 24: 15Q3 24: 15Q4 24: 15Q1 25: 14Q2 25: 1414Q3 22Q2 23Q1 24Q4 24Q2 25
Numbers
QuarterHolders
Q3 202225
Q4 202220
Q1 202319
Q2 202315
Q3 202315
Q4 202314
Q1 202414
Q2 202415
Q3 202415
Q4 202415
Q1 202514
Q2 202514

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
10010Q3 23: 4 bought or addedQ3 23: 6 cut or sold outQ4 23: 3 bought or addedQ4 23: 3 cut or sold outQ4 23Q1 24: 2 bought or addedQ1 24: 2 cut or sold outQ2 24: 1 bought or addedQ2 24: 3 cut or sold outQ2 24Q3 24: 1 bought or addedQ3 24: 2 cut or sold outQ4 24: 2 bought or addedQ4 24: 3 cut or sold outQ4 24Q1 25: 3 bought or addedQ1 25: 3 cut or sold outQ2 25: 4 bought or addedQ2 25: 7 cut or sold outQ2 25
Numbers
QuarterBought or addedCut or sold out
Q3 202346
Q4 202333
Q1 202422
Q2 202413
Q3 202412
Q4 202423
Q1 202533
Q2 202547

Biggest buyers

Shaolin Capital Management LLC Added +1,200,000+1.2m
ADVENT CAPITAL MANAGEMENT /DE/ New +1,000,000+1.0m
Monashee Investment Management LLC New +1,000,000+1.0m
Context Capital Management, LLC Added +2,030+2.0k

Biggest sellers

HIGHBRIDGE CAPITAL MANAGEMENT LLC Reduced -7,750,000-7.8m
WHITEBOX ADVISORS LLC Reduced -3,500,000-3.5m
AGF MANAGEMENT LTD Sold out -2,480,000-2.5m
CAPSTONE INVESTMENT ADVISORS, LLC Reduced -1,500,000-1.5m
ABSOLUTE INVESTMENT ADVISERS, LLC Reduced -1,250,000-1.2m
DEUTSCHE BANK AG\ Sold out -1,000,000-1.0m
WOLVERINE ASSET MANAGEMENT LLC Reduced -100,000-100.0k

Holders, Q2 2025

#ManagerLocationShares Value% of their portfolioChangeShares change
1 Shaolin Capital Management LLC 0.76% of their portfolio Miami, FL 33,500,00033.5m $17.6m $17.6m 0.76% Added +1.2m +1,200,000
2 DeepCurrents Investment Group LLC 0.54% of their portfolio NEW YORK, NY 27,860,00027.9m $14.8m $14.8m 0.54% Unchanged
3 WOLVERINE ASSET MANAGEMENT LLC 0.19% of their portfolio CHICAGO, IL 21,996,00022.0m $11.5m $11.5m 0.19% Reduced -100.0k -100,000
4 HIGHBRIDGE CAPITAL MANAGEMENT LLC 0.46% of their portfolio NEW YORK, NY 17,000,00017.0m $8.9m $8.9m 0.46% Reduced -7.8m -7,750,000
5 683 Capital Management, LLC 0.69% of their portfolio NEW YORK, NY 13,145,00013.1m $6.8m $6.8m 0.69% Unchanged
6 Opaleye Management Inc. 1.20% of their portfolio BOSTON, MA 11,500,00011.5m $5.9m $5.9m 1.20% Unchanged
7 Rock Springs Capital Management LP 0.31% of their portfolio Baltimore, MD 9,573,0009.6m $5.0m $5.0m 0.31% Unchanged
8 CAPSTONE INVESTMENT ADVISORS, LLC 0.03% of their portfolio NEW YORK, NY 7,293,0007.3m $3.8m $3.8m 0.03% Reduced -1.5m -1,500,000
9 WHITEBOX ADVISORS LLC 0.09% of their portfolio MINNEAPOLIS, MN 6,504,0006.5m $3.4m $3.4m 0.09% Reduced -3.5m -3,500,000
10 ABSOLUTE INVESTMENT ADVISERS, LLC 0.10% of their portfolio ROSEMARY BEACH, FL 1,500,0001.5m $775.5k $775.5k 0.10% Reduced -1.2m -1,250,000
11 ADVENT CAPITAL MANAGEMENT /DE/ 0.01% of their portfolio NEW YORK, NY 1,000,0001.0m $525.6k $525.6k 0.01% New
12 Monashee Investment Management LLC 0.28% of their portfolio Boston, MA 1,000,0001.0m $526.5k $526.5k 0.28% New
13 Context Capital Management, LLC 0.50% of their portfolio LAJOLLA, CA 27,88027.9k $14.7m $14.7m 0.50% Added +2.0k +2,030
14 CONCOURSE FINANCIAL GROUP SECURITIES, INC. — of their portfolio BIRMINGHAM, AL 00 $0 $0 — Unchanged