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Turnstone Biologics Corp.

TSBXDelisted Aug 11, 2025
Industry
Biological Products, (No Diagnostic Substances)
SEC CIK
0001764974

Turnstone Biologics Corp. was delisted on Aug 11, 2025; its insiders filed their last Form 4 on Aug 12, 2025; 23 institutions reported holding it in 13F filings for Q2 2025, worth $3.03M in total; no superinvestor held it.

13F holders, Q1 2024

Institutional positions in Turnstone Biologics Corp. as of Mar 31, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
40
+4 vs. Q4 2023
Shares held
13.3M
+329.2K (+2.5%) vs. Q4 2023
Total value
$35.0M
+$1.87M (+5.6%) vs. Q4 2023
New holders
5
19 more added
Sold out
1
8 more reduced

Compare with Q4 2023: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting TSBX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2024: 40 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 0 institutionsQ4 2022: 0 institutionsQ1 2023: 0 institutionsQ2 2023: 0 institutionsQ3 2023: 35 institutionsQ4 2023: 36 institutionsQ1 2024: 40 institutionsQ2 2024: 47 institutionsQ3 2024: 24 institutionsQ4 2024: 28 institutionsQ1 2025: 23 institutionsQ2 2025: 23 institutionsQ3 2025: 1 institutionQ4 2025: 0 institutionsQ1 2026: 0 institutionsQ2 2026: 0 institutions
Value heldQ1 2024: $35.0M
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $0Q4 2022: $0Q1 2023: $0Q2 2023: $0Q3 2023: $48.0MQ4 2023: $33.1MQ1 2024: $35.0MQ2 2024: $33.3MQ3 2024: $6.37MQ4 2024: $5.51MQ1 2025: $4.26MQ2 2025: $3.03MQ3 2025: $0Q4 2025: $0Q1 2026: $0Q2 2026: $0
Institutions holding TSBX and their total value by quarter
QuarterHoldersValue
Q2 20260$0
Q1 20260$0
Q4 20250$0
Q3 20251$0
Q2 202523$3.03M
Q1 202523$4.26M
Q4 202428$5.51M
Q3 202424$6.37M
Q2 202447$33.3M
Q1 202440$35.0M
Q4 202336$33.1M
Q3 202335$48.0M
Q2 20230$0
Q1 20230$0
Q4 20220$0
Q3 20220$0
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q1 2024

Shares, value and share of portfolio for each institution holding Turnstone Biologics Corp.; share changes are against Q4 2023.

Institutions holding TSBX in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
OrbiMed Advisors LLC3,099,265$8.12M0.16%00.0%Unchanged
FMR LLC1,574,826$4.13M0.00%−971,835−38.2%Reduced
Point72 Asset Management, L.P.1,183,888$3.10M0.01%+350,555+42.1%Added
PFM Health Sciences, LP920,976$2.41M0.12%+287,663+45.4%Added
Bank of America Corp899,373$2.36M0.00%−14,685−1.6%Reduced
Takeda Pharmaceutical Co Ltd895,824$2.35M0.81%00.0%Unchanged
Citadel Advisors LLC684,837$1.79M0.00%−3,631−0.5%Reduced
BlackRock Inc.663,404$1.74M0.00%+361,479+119.7%Added
72 Investment Holdings, LLC549,981$1.44M2.15%00.0%Unchanged
Sectoral Asset Management Inc517,648$1.36M0.53%00.0%Unchanged
Eventide Asset Management, LLC458,317$1.20M0.02%−250,000−35.3%Reduced
ExodusPoint Capital Management, LP369,780$969.0K0.01%+102,927+38.6%Added
Vanguard Group Inc369,676$968.6K0.00%+73,064+24.6%Added
Geode Capital Management, LLC238,084$623.8K0.00%+116,148+95.3%Added
FIL Ltd192,657$504.8K0.00%00.0%Unchanged
Zimmer Partners, LP179,026$469.0K0.01%+130,826+271.4%Added
Barclays PLC121,381$318.0K0.00%+5,265+4.5%Added
Northern Trust Corp99,475$260.6K0.00%+34,403+52.9%Added
Bridgeway Capital Management, LLC59,900$156.9K0.00%00.0%Unchanged
Kathleen S. Wright Associates Inc.42,553$111.5K0.05%+42,553New
State Street Corp38,491$100.8K0.00%+4,642+13.7%Added
Charles Schwab Investment Management Inc34,443$90.2K0.00%+19,274+127.1%Added
Balyasny Asset Management LLC32,746$85.8K0.00%+32,746New
Morgan Stanley23,594$61.8K0.00%+7,900+50.3%Added
Susquehanna International Group, LLP23,371$61.2K0.00%+23,371New
UBS Group AG19,057$49.9K0.00%+11,886+165.8%Added
New York State Common Retirement Fund18,842$49.4K0.00%−25−0.1%Reduced
Rhumbline Advisers9,109$23.9K0.00%+1,868+25.8%Added
American International Group, Inc.7,616$20.0K0.00%+4,339+132.4%Added
JPMorgan Chase & Co6,170$16.2K0.00%+1,948+46.1%Added
Wells Fargo & Company5,013$13.1K0.00%+3,126+165.7%Added
Tower Research Capital LLC (TRC)3,409$8.93K0.00%−381−10.1%Reduced
Citigroup Inc2,939$7.70K0.00%+1,922+189.0%Added
California State Teachers Retirement System1,755$4.60K0.00%+670+61.8%Added
Legal & General Group Plc796$2.10K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.630$1.65K0.00%00.0%Unchanged
Royal Bank of Canada351$1.00K0.00%−2,273−86.6%Reduced
Amalgamated Bank205$1.00K0.00%−909−81.6%Reduced
Avion Wealth178$1.00K0.00%+178New
Nisa Investment Advisors, LLC30$790.00%+30New
Caas Capital Management LP0$00.00%−45,831−100.0%Sold out