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Security record

SBLK

Star Bulk Carriers Corp. · Industrials · Marine Shipping

29.70 -2.5% mkt cap $3.31B quote delayed (FMP) · as of Oct 11 03:53 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
66Tracked holders
+5Δ holders
27.93MShares held
$697.06MReported value
+9New positions
−3Exits
Rising Conviction score 60/100 4 quarters of rising tracked shares ●●●●○○ How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth +8.2% · share flow +2.7% · net new positions +9.1% — formula
Broad accumulation — rising shares across more holders

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 66 +5 27.93M $697.06M +9 −3
Q1 2026 60 -2 26.78M $614.61M +9 −11
Q4 2025 61 +3 24.87M $477.43M +4 −1
Q3 2025 14 0 9.51M $176.80M +2 −3
Q2 2025 12 0 8.41M $145.10M +1 −1
Q1 2025 9 -3 9.60M $149.38M +1 −4
Q4 2024 12 0 14.02M $209.62M — —
Q3 2024 11 0 14.93M $353.71M — —
Q2 2024 11 — 20.05M $488.82M — —
Holder count
Who holds it · Q2 2026
#ManagerSharesΔ sharesValueTheir weightHeld
1 Two Sigma Investments ✦ 3.53M +17.2% $88.14M 0.1% ▲ Add 3 SEC ↗
2 BlackRock ✦ (passive) 2.82M +369.2% $70.35M 0.0% ▲ Add 5 SEC ↗ ×14
3 Renaissance Technologies ✦ 2.10M +1.6% $52.43M 0.1% ▲ Add 9 SEC ↗
4 Victory Capital Management Inc 2.03M +5.6% $50.62M 0.0% ▲ Add 2 SEC ↗
5 Goldman Sachs Group ✦ 2.01M +15.9% $50.30M 0.0% ▲ Add 4 SEC ↗ ×2
6 Focus Partners Wealth 1.26M +10.9% $31.55M 0.0% ▲ Add 3 SEC ↗
7 Qube Research & Technologies Ltd 1.16M +6.4% $28.88M 0.0% ▲ Add 2 SEC ↗
8 Morgan Stanley ✦ 1.04M -32.2% $25.98M 0.0% ▼ Trim 4 SEC ↗ ×8
9 Arrowstreet Capital ✦ 926.38K +22.3% $23.13M 0.0% ▲ Add 2 SEC ↗
10 Allianz Asset Management GmbH 892.55K +11.7% $22.29M 0.0% ▲ Add 3 SEC ↗ ×2
11 Boston Partners 788.20K -51.5% $19.69M 0.0% ▼ Trim 3 SEC ↗ ×2
12 Marshall Wace ✦ 786.67K -35.4% $19.64M 0.0% ▼ Trim 3 SEC ↗ ×4
13 Bridgewater Associates ✦ 718.06K +30.2% $17.93M 0.1% ▲ Add 4 SEC ↗
14 JPMorgan Chase ✦ 675.65K +3.5% $16.65M 0.0% ▲ Add 4 SEC ↗ ×6
15 Citadel Advisors ✦ 594.25K +44.5% $14.84M 0.0% ▲ Add 2 SEC ↗ ×2
16 D. E. Shaw & Co. ✦ 591.31K -49.6% $14.77M 0.0% ▼ Trim 3 SEC ↗
17 Susquehanna International Group, Llp 578.59K +103.3% $14.45M 0.0% ▲ Add 3 SEC ↗
18 First Eagle Investment Management… 515.00K New $12.86M 0.0% New 1 SEC ↗
19 Millennium Management ✦ 472.80K -34.3% $11.81M 0.0% ▼ Trim 4 SEC ↗
20 Point72 Asset Management ✦ 437.81K -44.6% $10.93M 0.0% ▼ Trim 3 SEC ↗
21 Norges Bank ✦ (passive) 396.00K New $9.89M 0.0% New 1 SEC ↗
22 Bank Of America Corp /De/ 376.31K -33.5% $9.40M 0.0% ▼ Trim 3 SEC ↗ ×6
23 UBS Group AG 375.19K +84.0% $9.37M 0.0% ▲ Add 3 SEC ↗ ×4
24 Russell Investments Group, Ltd. 333.90K -12.0% $8.32M 0.0% ▼ Trim 3 SEC ↗ ×11
25 Tudor Investment Corp Et Al 305.49K -58.4% $7.63M 0.0% ▼ Trim 2 SEC ↗
26 Citigroup Inc 295.19K +2295.8% $7.37M 0.0% ▲ Add 3 SEC ↗ ×2
27 LPL Financial LLC 268.58K -1.5% $6.71M 0.0% ▼ Trim 3 SEC ↗
28 Hrt Financial Lp 205.41K -73.4% $5.13M 0.0% ▼ Trim 3 SEC ↗
29 Geode Capital Management ✦ (passive) 153.81K -0.2% $3.84M 0.0% ▼ Trim 9 SEC ↗
30 Jane Street Group, Llc 138.03K -74.9% $3.45M 0.0% ▼ Trim 3 SEC ↗ ×2
31 Bnp Paribas Financial Markets 115.62K +19.1% $2.89M 0.0% ▲ Add 3 SEC ↗
32 State Street Global Advisors ✦ (passive) 105.54K -8.7% $2.64M 0.0% ▼ Trim 7 SEC ↗
33 Stifel Financial Corp 80.69K +8.7% $2.01M 0.0% ▲ Add 3 SEC ↗
34 Northern Trust Corp 77.34K +1.0% $1.93M 0.0% ▲ Add 3 SEC ↗ ×4
35 Sei Investments Co 73.16K New $1.83M 0.0% New 1 SEC ↗ ×2
36 Vanguard Capital Management Llc 68.61K 0.0% $1.71M 0.0% Held 2 SEC ↗
37 New York State Common Retirement… 65.91K New $1.65M 0.0% New 1 SEC ↗
38 Hsbc Holdings Plc 62.20K +55.1% $1.54M 0.0% ▲ Add 2 SEC ↗
39 Squarepoint Ops LLC 54.28K -33.2% $1.36M 0.0% ▼ Trim 2 SEC ↗
40 Raymond James Financial Inc 53.52K -2.1% $1.34M 0.0% ▼ Trim 3 SEC ↗ ×2
41 Tidal Investments LLC 50.25K -27.5% $1.25M 0.0% ▼ Trim 3 SEC ↗
42 Balyasny Asset Management L.P. 40.13K +22.1% $1.00M 0.0% ▲ Add 3 SEC ↗
43 IMC-Chicago, LLC 36.26K New $905,287 0.0% New 1 SEC ↗
44 Ameriprise Financial Inc 35.80K -10.2% $893,946 0.0% ▼ Trim 3 SEC ↗ ×2
45 Mitsubishi UFJ Trust & Banking Corp 29.82K New $744,530 0.0% New 1 SEC ↗
46 Mariner, LLC 22.38K +11.5% $558,753 0.0% ▲ Add 3 SEC ↗
47 Gotham Asset Management ✦ 21.60K 0.0% $539,352 0.0% Held 6 SEC ↗
48 Simplex Trading, Llc 20.49K -18.7% $511,610 0.0% ▼ Trim 3 SEC ↗
49 Wells Fargo & Company/Mn 20.36K -7.3% $508,358 0.0% ▼ Trim 3 SEC ↗ ×2
50 Amundi 17.96K New $448,411 0.0% New 1 SEC ↗
51 Royal Bank Of Canada 17.28K +0.6% $431,000 0.0% ▲ Add 3 SEC ↗ ×2
52 Osaic Holdings, Inc. 15.22K -22.3% $380,318 0.0% ▼ Trim 3 SEC ↗ ×2
53 CIBC Bancorp USA Inc. 15.10K 0.0% $377,047 0.0% Held 2 SEC ↗
54 Lazard Asset Management Llc 14.27K New $356,272 0.0% New 1 SEC ↗
55 Barclays Plc 9.03K +4005.9% $225,554 0.0% ▲ Add 2 SEC ↗
56 Cetera Investment Advisers 8.35K -87.2% $208,364 0.0% ▼ Trim 3 SEC ↗
57 Bank Julius Baer & Co. Ltd, Zurich 5.17K 0.0% $129,044 0.0% Held 2 SEC ↗
58 Legal & General Group Plc 5.08K 0.0% $126,748 0.0% Held 3 SEC ↗
59 Us Bancorp \De\ 3.07K 0.0% $76,758 0.0% Held 3 SEC ↗
60 Northwestern Mutual Wealth… 2.60K 0.0% $65,047 0.0% Held 3 SEC ↗
61 Jones Financial Companies Lllp 1.81K +4.6% $44,087 0.0% ▲ Add 3 SEC ↗
62 Fidelity (FMR) ✦ 1.27K +34.4% $31,712 0.0% ▲ Add 5 SEC ↗
63 UBS AM, a distinct business unit of… 1.08K -94.7% $26,943 0.0% ▼ Trim 3 SEC ↗
64 Rockefeller Capital Management L.P. 299 0.0% $7,466 0.0% Held 3 SEC ↗
65 Pacer Advisors, Inc. 121 +13.1% $3,000 0.0% ▲ Add 3 SEC ↗
66 National Bank Of Canada /Fi/ 48 New $1,198 0.0% New 1 SEC ↗

“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.

New buyers

First Eagle Investment… $12.86M 0.0%
Norges Bank $9.89M 0.0%
Sei Investments Co $1.83M 0.0%
New York State Common… $1.65M 0.0%
IMC-Chicago, LLC $905,287 0.0%
Mitsubishi UFJ Trust &… $744,530 0.0%
Amundi $448,411 0.0%
Lazard Asset Management Llc $356,272 0.0%
National Bank Of Canada /Fi/ $1,198 0.0%

Exited

FIL Ltd $748,432 was 0.0%
Group One Trading Llc $586,332 was 0.0%
Nomura Asset Management Co Ltd $57,425 was 0.0%

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 186 holders, 37.42M shares, $814.50M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.

Frequently co-owned

What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.

Insider transactions

Open-market purchases (P)

Sep 15 Erhardt Koert

Director · 6.00K sh @ 28.27 · $169,620

Sep 15 Karellis Nikolaos

Director · 2.00K sh @ 28.27 · $56,540

Open-market sales (S)

Oct 05 Erhardt Koert

Director · 6.00K sh · $182,340

Sep 21 Vrettou Eleni

Director · 3.50K sh · $112,420

Sep 18 Balakrishnan Mahesh

Director · 10.00K sh · $323,400

Aug 25 Zagari Raffaele

Director · 50.00K sh · $1.56M

Aug 24 Zagari Raffaele

Director · 50.00K sh · $1.53M

Aug 17 Plakantonaki Charis

Officer · 10.82K sh · $322,803

Awards, exercises and tax withholding are never counted as buys or sales here. Methodology

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q2 2026 · Methodology · Get this via the API