Skip to main content

Marin Software Inc

MRINDelisted Jul 21, 2025
Industry
Services-Computer Processing & Data Preparation
SEC CIK
0001389002

Marin Software Inc was delisted on Jul 21, 2025; its insiders filed their last Form 4 on Sep 8, 2025; 11 institutions reported holding it in 13F filings for Q1 2025, worth $206.6K in total; no superinvestor held it.

13F holders, Q4 2023

Institutional positions in Marin Software Inc as of Dec 31, 2023. 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
30
+3 vs. Q3 2023
Shares held
1.71M
−90.3K (−5.0%) vs. Q3 2023
Total value
$623.6K
−$139.0K (−18.2%) vs. Q3 2023
New holders
4
7 more added
Sold out
1
8 more reduced

1 institution that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2023: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting MRIN 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 holdersQ4 2023: 30 institutions
Q1 2021: 16 institutionsQ2 2021: 21 institutionsQ3 2021: 30 institutionsQ4 2021: 31 institutionsQ1 2022: 27 institutionsQ2 2022: 23 institutionsQ3 2022: 24 institutionsQ4 2022: 27 institutionsQ1 2023: 23 institutionsQ2 2023: 25 institutionsQ3 2023: 28 institutionsQ4 2023: 30 institutionsQ1 2024: 27 institutionsQ2 2024: 13 institutionsQ3 2024: 9 institutionsQ4 2024: 12 institutionsQ1 2025: 11 institutionsQ2 2025: 1 institutionQ3 2025: 0 institutionsQ4 2025: 1 institutionQ1 2026: 0 institutionsQ2 2026: 0 institutions
Value heldQ4 2023: $623.6K
Q1 2021: $2.35MQ2 2021: $9.26MQ3 2021: $17.6MQ4 2021: $9.29MQ1 2022: $6.42MQ2 2022: $3.68MQ3 2022: $2.64MQ4 2022: $1.99MQ1 2023: $1.83MQ2 2023: $1.06MQ3 2023: $768.6KQ4 2023: $623.6KQ1 2024: $283.1KQ2 2024: $320.6KQ3 2024: $343.0KQ4 2024: $387.7KQ1 2025: $206.6KQ2 2025: $90Q3 2025: $0Q4 2025: $0Q1 2026: $0Q2 2026: $0
Institutions holding MRIN and their total value by quarter
QuarterHoldersValue
Q2 20260$0
Q1 20260$0
Q4 20251$0
Q3 20250$0
Q2 20251$90
Q1 202511$206.6K
Q4 202412$387.7K
Q3 20249$343.0K
Q2 202413$320.6K
Q1 202427$283.1K
Q4 202330$623.6K
Q3 202328$768.6K
Q2 202325$1.06M
Q1 202323$1.83M
Q4 202227$1.99M
Q3 202224$2.64M
Q2 202223$3.68M
Q1 202227$6.42M
Q4 202131$9.29M
Q3 202130$17.6M
Q2 202121$9.26M
Q1 202116$2.35M

Institutions, Q4 2023

Shares, value and share of portfolio for each institution holding Marin Software Inc; share changes are against Q3 2023.

Institutions holding MRIN in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Royce & Associates LP846,591$310.3K0.00%−100,500−10.6%Reduced
Vanguard Group Inc181,298$66.4K0.00%00.0%Unchanged
BlackRock Inc.144,326$52.9K0.00%−3,737−2.5%Reduced
Geode Capital Management, LLC136,723$50.1K0.00%00.0%Unchanged
Bridgeway Capital Management, LLC60,000$22.0K0.00%00.0%Unchanged
State Street Corp50,885$18.6K0.00%00.0%Unchanged
Thompson Davis & Co., Inc.30,000$11.0K0.01%00.0%Unchanged
Two Sigma Securities, LLC29,642$10.9K0.00%+29,642New
Millennium Management LLC29,382$10.8K0.00%−17,742−37.6%Reduced
Two Sigma Investments, LP26,867$9.85K0.00%+3,371+14.3%Added
Northern Trust Corp25,394$9.31K0.00%00.0%Unchanged
HRT Financial LP19,337$7.00K0.00%−43,803−69.4%Reduced
Acadian Asset Management LLC19,294$7.00K0.00%00.0%Unchanged
Virtu Financial LLC17,526$6.00K0.00%−523−2.9%Reduced
Two Sigma Advisers, LP14,500$5.31K0.00%+1,800+14.2%Added
Pathstone Holdings, LLC14,262$5.23K0.00%+14,262New
Susquehanna International Group, LLP13,287$4.87K0.00%+13,287New
Jane Street Group, LLC12,734$4.67K0.00%+12,734New
IHT Wealth Management, LLC11,000$4.03K0.00%00.0%Unchanged
Group One Trading, L.P.8,125$2.98K0.00%+200+2.5%Added
Tower Research Capital LLC (TRC)6,775$2.49K0.00%−111−1.6%Reduced
Simplex Trading, LLC5,126$1.00K0.00%+250+5.1%Added
UBS Group AG1,520$5560.00%+946+164.8%Added
FMR LLC705$2580.00%+699+11,650.0%Added
Wells Fargo & Company129$470.00%−1,093−89.4%Reduced
Qube Research & Technologies Ltd35$130.00%00.0%Unchanged
Advisor Group Holdings, Inc.10$40.00%00.0%Unchanged
Morgan Stanley1$10.00%−250−99.6%Reduced
Royal Bank of Canada59$00.00%00.0%Unchanged
Cutler Group LP471$00.00%+289+158.8%Added
JPMorgan Chase & Co0$00.00%−16−100.0%Sold out
Pathstone Family Office, LLC––––Not filed