SEC Filings for RiverNorth/DoubleLine Strategic Opportunity Fund, Inc. (OPP)

Last updated: 2026-03-06 17:06 UTC | Total filings: 265

Browse the latest SEC filings and forms submitted by RiverNorth/DoubleLine Strategic Opportunity Fund, Inc. (OPP). Access annual reports, quarterly statements, and other official disclosures.

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Form Filing Date Description Link
N-CSRS March 6, 2026 - View Document
NPORT-P Feb. 26, 2026 - View Document
4 Dec. 1, 2025 - View Document
NPORT-P Nov. 26, 2025 - View Document
497AD Nov. 20, 2025 - View Document
497AD Nov. 19, 2025 - View Document
497AD Nov. 10, 2025 - View Document
497AD Nov. 10, 2025 - View Document
POS EX Oct. 23, 2025 - View Document
424B2 Oct. 22, 2025 - View Document
4 Oct. 20, 2025 - View Document
497AD Oct. 8, 2025 - View Document
3 Sept. 18, 2025 - View Document
N-CEN Sept. 10, 2025 - View Document
N-CSR Sept. 5, 2025 - View Document
NPORT-P Aug. 28, 2025 - View Document
N-PX Aug. 20, 2025 - View Document
4 July 14, 2025 - View Document
3/A July 10, 2025 - View Document
NPORT-P May 30, 2025 - View Document
POS EX May 21, 2025 - View Document
424B5 May 21, 2025 - View Document
424B3 April 14, 2025 - View Document
EFFECT April 9, 2025 - View Document
CORRESP April 7, 2025 - View Document
N-2/A March 21, 2025 - View Document
CORRESP March 21, 2025 - View Document
N-CSRS March 7, 2025 - View Document
NPORT-P Feb. 27, 2025 - View Document
N-2/A Feb. 20, 2025 - View Document
CORRESP Feb. 20, 2025 - View Document
5 Feb. 14, 2025 - View Document
CORRESP Jan. 31, 2025 - View Document
4 Dec. 31, 2024 - View Document
CERT Dec. 2, 2024 NYSE AMERICAN CERTIFICATION View Document
8-A12B/A Nov. 29, 2024 - View Document
497AD Nov. 29, 2024 - View Document
3 Nov. 29, 2024 - View Document
4 Nov. 27, 2024 - View Document
NPORT-P Nov. 27, 2024 - View Document
497AD Nov. 26, 2024 - View Document
8-A12B Nov. 26, 2024 - View Document
497AD Nov. 19, 2024 - View Document
SC 13G/A Nov. 8, 2024 MS AMENDMENT View Document
SC 13G/A Nov. 8, 2024 MS AMENDMENT View Document
497AD Nov. 1, 2024 - View Document
POS EX Oct. 31, 2024 - View Document
424B2 Oct. 31, 2024 - View Document
497AD Oct. 21, 2024 - View Document
N-2/A Oct. 18, 2024 - View Document
CORRESP Oct. 17, 2024 - View Document
N-CEN Sept. 11, 2024 - View Document
N-CSR Sept. 6, 2024 - View Document
N-PX Aug. 30, 2024 - View Document
NPORT-P Aug. 29, 2024 - View Document
N-2 Aug. 15, 2024 - View Document
NPORT-P May 30, 2024 - View Document
SC 13G/A May 6, 2024 MS AMENDMENT View Document
N-CSRS March 8, 2024 - View Document
NPORT-P Feb. 29, 2024 - View Document
SC 13G Feb. 9, 2024 MS INITIAL View Document
SC 13G Feb. 9, 2024 MS INITIAL View Document
4 Dec. 22, 2023 - View Document
NPORT-P Nov. 29, 2023 - View Document
N-CEN Sept. 13, 2023 - View Document
N-CSR Sept. 7, 2023 - View Document
NPORT-P Aug. 29, 2023 - View Document
N-PX Aug. 24, 2023 - View Document
NPORT-P May 30, 2023 - View Document
4 May 24, 2023 - View Document
SC 13G/A April 20, 2023 - View Document
NPORT-P/A April 3, 2023 - View Document
SC 13G/A March 24, 2023 - View Document
N-CSRS March 10, 2023 - View Document
NPORT-P March 1, 2023 - View Document
SC 13G/A Feb. 9, 2023 - View Document
NT NPORT-P Jan. 27, 2023 - View Document
NPORT-P Nov. 29, 2022 - View Document
3 Nov. 10, 2022 - View Document
SC 13G/A Oct. 13, 2022 - View Document
497AD Sept. 28, 2022 - View Document
497AD Sept. 26, 2022 - View Document
N-CEN Sept. 13, 2022 - View Document
N-CSR Sept. 8, 2022 - View Document
N-PX Aug. 31, 2022 - View Document
NPORT-P Aug. 29, 2022 - View Document
CORRESP Aug. 26, 2022 - View Document
POS EX Aug. 25, 2022 - View Document
424B2 Aug. 18, 2022 - View Document
497AD Aug. 11, 2022 - View Document
NPORT-P May 31, 2022 - View Document
SC 13G/A May 4, 2022 - View Document
N-CSRS March 11, 2022 - View Document
NPORT-P March 1, 2022 - View Document
SC 13G/A Feb. 14, 2022 - View Document
SC 13G Feb. 10, 2022 - View Document
POS EX Dec. 29, 2021 - View Document
424B5 Dec. 29, 2021 - View Document
4 Dec. 28, 2021 - View Document
NPORT-P Nov. 29, 2021 - View Document
CERT Nov. 22, 2021 NYSE CERTIFICATION View Document
POS EX Nov. 18, 2021 - View Document
8-A12B Nov. 18, 2021 - View Document
497AD Nov. 17, 2021 - View Document
424B2 Nov. 17, 2021 - View Document
424B2 Nov. 15, 2021 - View Document
497AD Nov. 15, 2021 - View Document
FWP Nov. 15, 2021 - View Document
497AD Nov. 15, 2021 - View Document
EFFECT Nov. 10, 2021 - View Document
N-2/A Nov. 8, 2021 - View Document
CORRESP Nov. 8, 2021 - View Document
CORRESP Nov. 3, 2021 - View Document
N-2/A Nov. 3, 2021 - View Document
N-2 Oct. 12, 2021 - View Document
4 Oct. 8, 2021 - View Document
4 Oct. 8, 2021 - View Document
4 Oct. 8, 2021 - View Document
497AD Oct. 6, 2021 - View Document
497AD Oct. 4, 2021 - View Document
N-CEN Sept. 13, 2021 - View Document
N-CSR Sept. 7, 2021 - View Document
POS EX Sept. 3, 2021 - View Document
NPORT-P Aug. 30, 2021 - View Document
424B2 Aug. 27, 2021 - View Document
N-PX Aug. 27, 2021 - View Document
497AD Aug. 13, 2021 - View Document
NPORT-P June 1, 2021 - View Document
4 April 14, 2021 - View Document
424B5 April 8, 2021 - View Document
POS EX April 8, 2021 - View Document
N-CSRS March 5, 2021 - View Document
NPORT-P March 1, 2021 - View Document
SC 13G/A Feb. 16, 2021 - View Document
EFFECT Dec. 4, 2020 - View Document
POS 8C Dec. 4, 2020 - View Document
CORRESP Dec. 3, 2020 - View Document
NPORT-P Nov. 27, 2020 - View Document
POS 8C Nov. 23, 2020 - View Document
CORRESP Nov. 23, 2020 - View Document
4 Nov. 20, 2020 - View Document
CERT Oct. 23, 2020 NYSE CERTIFICATION View Document
4 Oct. 22, 2020 - View Document
8-A12B Oct. 20, 2020 - View Document
424B2 Oct. 19, 2020 - View Document
POS EX Oct. 19, 2020 - View Document
497AD Oct. 19, 2020 - View Document
FWP Oct. 16, 2020 - View Document
497AD Oct. 14, 2020 - View Document
4 Oct. 13, 2020 - View Document
424B2 Oct. 13, 2020 - View Document
497AD Oct. 6, 2020 - View Document
497AD Oct. 5, 2020 - View Document
POS 8C Sept. 24, 2020 - View Document
N-CEN Sept. 14, 2020 - View Document
N-CSR Sept. 9, 2020 - View Document
POS EX Sept. 3, 2020 - View Document
N-PX Aug. 28, 2020 - View Document
NPORT-P Aug. 28, 2020 - View Document
424B2 Aug. 26, 2020 - View Document
497AD Aug. 13, 2020 - View Document
NPORT-P May 29, 2020 - View Document
4 April 15, 2020 - View Document
4 March 16, 2020 - View Document
N-CSRS March 10, 2020 - View Document
NPORT-P March 2, 2020 - View Document
SC 13G/A Feb. 14, 2020 - View Document
4 Dec. 27, 2019 - View Document
4 Dec. 26, 2019 - View Document
4 Dec. 26, 2019 - View Document
497AD Dec. 13, 2019 ADVERTISING MATERIALS View Document
497AD Dec. 11, 2019 ADVERTISING MATERIALS View Document
NPORT-P Nov. 29, 2019 - View Document
POS EX Nov. 14, 2019 - View Document
497 Nov. 8, 2019 - View Document
497AD Nov. 1, 2019 ADVERTISING MATERIALS View Document
EFFECT Oct. 17, 2019 - View Document
CORRESP Oct. 15, 2019 - View Document
CORRESP Oct. 11, 2019 - View Document
N-2/A Oct. 11, 2019 - View Document
CORRESP Sept. 23, 2019 - View Document
N-2/A Sept. 23, 2019 - View Document
N-CEN Sept. 13, 2019 - View Document
N-CSR Sept. 9, 2019 - View Document
N-PX Aug. 27, 2019 ANNUAL REPORT OF PROXY VOTING View Document
3 Aug. 26, 2019 - View Document
4 June 25, 2019 - View Document
3 June 24, 2019 - View Document
3 June 24, 2019 - View Document
3 June 24, 2019 - View Document
NPORT-EX May 30, 2019 RIVERNORTH/DOUBLELINE STRATEGIC OPPORTUNITY FUND, INC. View Document
144 April 18, 2019 - View Document
N-2 March 15, 2019 - View Document
N-CSRS March 6, 2019 - View Document
SC 13G Feb. 14, 2019 - View Document
4 Dec. 26, 2018 - View Document
4 Dec. 21, 2018 - View Document
N-Q Nov. 29, 2018 QUARTERLY NOTICE OF PORTFOLIO HOLDINGS View Document
3 Oct. 9, 2018 - View Document
3 Oct. 4, 2018 - View Document
N-CEN Sept. 13, 2018 - View Document
N-CSR Sept. 10, 2018 - View Document
N-PX Aug. 30, 2018 ANNUAL REPORT OF PROXY VOTING View Document
DEF 14A Aug. 20, 2018 DEFINITIVE PROXY STATEMENT View Document
N-Q May 30, 2018 QUARTERLY NOTICE OF PORTFOLIO HOLDINGS View Document
N-CSRS March 12, 2018 - View Document
NSAR-A March 1, 2018 MAIN DOCUMENT View Document
4 Jan. 18, 2018 OWNERSHIP DOCUMENT View Document
4 Jan. 3, 2018 OWNERSHIP DOCUMENT View Document
N-Q Nov. 29, 2017 QUARTERLY NOTICE OF PORTFOLIO HOLDINGS View Document
4 Nov. 28, 2017 OWNERSHIP DOCUMENT View Document
N-CSR Sept. 8, 2017 CERTIFIED SHAREHOLDER REPORT View Document
N-PX Aug. 31, 2017 ANNUAL REPORT OF PROXY VOTING View Document
NSAR-B Aug. 29, 2017 MAIN DOCUMENT View Document
N-Q May 30, 2017 QUARTERLY NOTICE OF PORTFOLIO HOLDINGS View Document
40-APP/A April 12, 2017 - View Document
N-CSRS March 10, 2017 CERTIFIED SEMI-ANNUAL SHAREHOLDER REPORT OF REGISTERED MANAGEMENT View Document
NSAR-A March 1, 2017 MAIN DOCUMENT View Document
N-Q Nov. 29, 2016 QUARTERLY NOTICE OF PORTFOLIO HOLDINGS View Document
4 Nov. 22, 2016 OWNERSHIP DOCUMENT View Document
4 Nov. 18, 2016 OWNERSHIP DOCUMENT View Document
3 Nov. 18, 2016 OWNERSHIP DOCUMENT View Document
497 Sept. 28, 2016 - View Document
CORRESP Sept. 28, 2016 - View Document
N-2/A Sept. 27, 2016 - View Document
3 Sept. 27, 2016 OWNERSHIP DOCUMENT View Document
EFFECT Sept. 27, 2016 - View Document
3 Sept. 27, 2016 OWNERSHIP DOCUMENT View Document
3 Sept. 27, 2016 OWNERSHIP DOCUMENT View Document
3 Sept. 27, 2016 OWNERSHIP DOCUMENT View Document
3 Sept. 27, 2016 OWNERSHIP DOCUMENT View Document
3 Sept. 27, 2016 OWNERSHIP DOCUMENT View Document
3 Sept. 27, 2016 OWNERSHIP DOCUMENT View Document
3 Sept. 27, 2016 OWNERSHIP DOCUMENT View Document
3 Sept. 27, 2016 OWNERSHIP DOCUMENT View Document
3 Sept. 27, 2016 OWNERSHIP DOCUMENT View Document
3 Sept. 27, 2016 OWNERSHIP DOCUMENT View Document
3 Sept. 27, 2016 OWNERSHIP DOCUMENT View Document
3 Sept. 27, 2016 OWNERSHIP DOCUMENT View Document
3 Sept. 27, 2016 OWNERSHIP DOCUMENT View Document
3 Sept. 27, 2016 OWNERSHIP DOCUMENT View Document
3 Sept. 27, 2016 OWNERSHIP DOCUMENT View Document
3 Sept. 27, 2016 OWNERSHIP DOCUMENT View Document
3 Sept. 27, 2016 OWNERSHIP DOCUMENT View Document
3 Sept. 27, 2016 OWNERSHIP DOCUMENT View Document
3 Sept. 27, 2016 OWNERSHIP DOCUMENT View Document
3 Sept. 27, 2016 OWNERSHIP DOCUMENT View Document
3 Sept. 27, 2016 OWNERSHIP DOCUMENT View Document
3 Sept. 27, 2016 OWNERSHIP DOCUMENT View Document
CORRESP Sept. 23, 2016 - View Document
CORRESP Sept. 23, 2016 - View Document
CORRESP Sept. 23, 2016 - View Document
UPLOAD Sept. 22, 2016 - View Document
CERTNYS Sept. 19, 2016 AUTO-GENERATED PAPER DOCUMENT View Document
8-A12B Sept. 7, 2016 - View Document
3 Sept. 7, 2016 OWNERSHIP DOCUMENT View Document
40-APP Sept. 1, 2016 - View Document
N-2/A Aug. 30, 2016 - View Document
N-2/A Aug. 29, 2016 - View Document
N-2/A Aug. 25, 2016 - View Document
CORRESP Aug. 25, 2016 - View Document
CORRESP Aug. 15, 2016 - View Document
N-2/A Aug. 15, 2016 - View Document
N-2 July 1, 2016 - View Document
N-8A July 1, 2016 - View Document