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OptiNose (OPTN) Institutional Ownership

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Institutional Ownership Changes (13F Filings) for OptiNose (NASDAQ:OPTN)

Current
Institutional Ownership
Percentage
85.60%
Number of
Institutional Buyers
(last 12 months)
17
Total
Institutional Inflows
(last 12 months)
$64.44M
Number of
Institutional Sellers
(last 12 months)
21
Total
Institutional Outflows
(last 12 months)
$389.25M
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OPTN Institutional Buying and Selling by Quarter

OptiNose Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
5/16/2025 PenderFund Capital Management Ltd.18,800$172K0.0%N/A0.186%
5/14/2025 GABELLI & Co INVESTMENT ADVISERS INC.60,800$558K0.1%N/A0.600%
5/14/2025 Gabelli Funds LLC80,018$734K0.0%N/A0.790%
5/14/2025 Stonepine Capital Management LLC788,647$7.23M6.9%+34.0%7.788%
5/14/2025 Groupe la Francaise207,000$1.90M0.0%N/A2.044%
5/12/2025 Virtu Financial LLC10,625$97K0.0%N/A0.105%
5/2/2025 Easterly Investment Partners LLC156,666$1.44M0.1%+235.7%1.547%
5/1/2025 Rice Hall James & Associates LLC46,453$426K0.0%-37.6%0.459%
4/22/2025 Deltec Asset Management LLC22,500$206K0.0%N/A0.223%
4/17/2025 FNY Investment Advisers LLC4,400$40K0.0%N/A0.044%
2/17/2025 Stonepine Capital Management LLC588,657$3.93M3.2%-89.7%5.851%
2/17/2025 Millennium Management LLC12,854$86K0.0%-98.0%0.128%
2/17/2025 D. E. Shaw & Co. Inc.333,333$2.23M0.0%-93.3%3.313%
2/17/2025 Bridgeway Capital Management LLC15,713$105K0.0%-93.5%0.156%
2/17/2025 Bleichroeder LP269,675$1.80M0.5%-93.3%2.681%
2/17/2025 Acorn Capital Advisors LLC422,813$2.82M1.5%N/A4.203%
2/14/2025 MVM Partners LLC973,684$6.36M5.1%-93.3%9.679%
2/14/2025 Jane Street Group LLC28,560$191K0.0%-32.5%0.284%
2/14/2025 Nantahala Capital Management LLC986,031$6.59M0.3%-93.1%9.802%
2/14/2025 Northern Trust Corp14,085$94K0.0%-94.4%0.140%
2/14/2025 GMT Capital Corp74,047$495K0.0%-93.3%0.736%
2/13/2025 Renaissance Technologies LLC12,748$85K0.0%-94.4%0.127%
2/13/2025 Aster Capital Management DIFC Ltd3,898$26K0.0%-93.3%0.039%
2/12/2025 Geode Capital Management LLC86,167$576K0.0%-93.4%0.857%
2/12/2025 Easterly Investment Partners LLC46,667$312K0.0%-98.0%0.464%
2/11/2025 Rosalind Advisors Inc.876,996$5.86M2.9%-89.4%8.718%
2/7/2025 Prescott Group Capital Management L.L.C.60,139$402K0.1%-95.2%0.598%
2/4/2025 Bank of New York Mellon Corp12,178$81K0.0%-93.3%0.121%
1/31/2025 Rice Hall James & Associates LLC74,479$498K0.0%-93.5%0.740%
1/1/2025 Barclays PLC49,658$33K0.0%-30.3%0.033%
11/16/2024 Geode Capital Management LLC1,298,333$870K0.0%+33.7%0.861%
11/15/2024 Jane Street Group LLC42,314$28K0.0%-88.7%0.028%
11/15/2024 State Street Corp341,303$229K0.0%+14.2%0.226%
11/14/2024 Stonepine Capital Management LLC5,688,590$3.81M2.4%+142.1%3.773%
11/13/2024 Great Point Partners LLC12,861,136$8.62M2.5%-6.3%8.530%
11/13/2024 FMR LLC16,541,849$11.08M0.0%+3.2%10.971%
11/12/2024 Massachusetts Financial Services Co. MA3,075,638$2.06M0.0%+5.3%2.040%
11/5/2024 GSA Capital Partners LLP91,084$61K0.0%N/A0.060%
11/1/2024 Easterly Investment Partners LLC2,359,239$1.58M0.1%+5.0%1.565%
10/30/2024 Rosalind Advisors Inc.8,287,503$5.55M3.5%+9.8%5.496%
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10/28/2024 Rice Hall James & Associates LLC1,140,626$764K0.0%+15.4%0.756%
10/28/2024 Palumbo Wealth Management LLC78,378$53K0.0%-42.2%0.052%
8/21/2024 Stonepine Capital Management LLC2,350,010$2.44M2.2%N/A2.079%
8/20/2024 Nantahala Capital Management LLC13,418,740$14.43M0.8%+442.3%8.900%
8/14/2024 Squarepoint Ops LLC171,610$178K0.0%+173.7%0.152%
8/14/2024 Great Point Partners LLC13,727,097$14.28M2.7%+56.2%12.144%
8/12/2024 XTX Topco Ltd84,504$88K0.0%N/A0.075%
8/9/2024 Renaissance Technologies LLC233,100$242K0.0%-17.3%0.206%
8/9/2024 Massachusetts Financial Services Co. MA2,920,309$3.04M0.0%+2.9%2.583%
7/26/2024 Bank of New York Mellon Corp182,685$190K0.0%-48.8%0.162%
7/25/2024 Easterly Investment Partners LLC2,246,224$2.34M0.2%+10.2%1.987%
7/18/2024 Assenagon Asset Management S.A.76,185$79K0.0%-12.5%0.067%
7/12/2024 Rosalind Advisors Inc.7,547,148$7.85M5.7%+66.2%6.677%
5/15/2024 Oracle Investment Management Inc.325,000$474K0.3%N/A0.288%
5/10/2024 Vanguard Group Inc.4,242,610$6.19M0.0%+1.5%3.753%
5/3/2024 Easterly Investment Partners LLC2,038,039$2.98M0.2%+34.0%1.803%
4/29/2024 HighMark Wealth Management LLC25,000$36K0.0%N/A0.022%
4/25/2024 Rosalind Advisors Inc.4,541,489$6.63M6.2%-7.0%4.032%
4/24/2024 Assenagon Asset Management S.A.87,096$127K0.0%+139.1%0.077%
4/23/2024 Rice Hall James & Associates LLC993,268$1.45M0.1%-1.2%0.882%
3/18/2024 Kingdon Capital Management L.L.C.3,899,237$5.03M0.6%+5.4%3.461%
2/12/2024 MVM Partners LLC14,605,263$18.77M10.9%N/A13.004%
1/22/2024 Palumbo Wealth Management LLC25,959$33K0.0%N/A0.023%
1/17/2024 Assenagon Asset Management S.A.36,434$47K0.0%N/A0.032%
11/15/2023 Kingdon Capital Management L.L.C.3,699,237$4.55M0.5%+1.4%3.294%
11/13/2023 FMR LLC14,848,870$18.26M0.0%+0.3%13.221%
11/7/2023 New York State Common Retirement Fund47,832$59K0.0%-41.2%0.043%
11/2/2023 Rice Hall James & Associates LLC1,050,074$1.29M0.1%+8.6%0.936%
10/24/2023 Bank of New York Mellon Corp390,987$481K0.0%+71.6%0.348%
8/14/2023 Great Point Partners LLC8,839,939$10.87M2.1%+12.0%7.886%
8/11/2023 Velan Capital Investment Management LP3,596,861$4.42M4.1%+2.9%3.213%
8/4/2023 American International Group Inc.35,095$43K0.0%N/A0.031%
7/27/2023 Virtu Financial LLC32,949$41K0.0%N/A0.029%
7/24/2023 Rice Hall James & Associates LLC966,723$1.19M0.1%+25.2%0.863%
6/1/2023 Prelude Capital Management LLC156,946$303K0.0%+5.9%0.140%
5/15/2023 Kingdon Capital Management L.L.C.3,649,237$7.04M1.3%+15.9%3.260%
5/12/2023 Element Capital Management LLC331,135$639K0.0%N/A0.296%
5/12/2023 Rice Hall James & Associates LLC771,960$1.49M0.1%-4.6%0.689%
5/9/2023 GMT Capital Corp23,288$45K0.0%N/A0.021%
5/9/2023 Y Intercept Hong Kong Ltd19,040$37K0.0%N/A0.017%
5/1/2023 Arete Wealth Advisors LLC10,000$19.30B0.0%N/A0.009%
2/15/2023 Nantahala Capital Management LLC1,450,000$2.68M0.2%N/A1.736%
2/14/2023 Kingdon Capital Management L.L.C.3,149,237$5.83M1.2%+37.0%3.771%
2/14/2023 683 Capital Management LLC102,528$190K0.0%N/A0.123%
2/13/2023 MVM Partners LLC14,605,263$26.80M9.1%N/A17.487%
2/10/2023 Prescott Group Capital Management L.L.C.130,000$240K0.1%N/A0.156%
2/10/2023Cheyne Capital Management UK LLP394,737$730K1.3%N/A0.473%
1/27/2023 Rice Hall James & Associates LLC809,503$1.50M0.1%-1.4%0.969%
11/14/2022 Hsbc Holdings PLC25,914$94K0.0%-15.5%0.031%
11/10/2022 Stonepine Capital Management LLC2,000,000$7.32M3.3%-23.6%2.402%
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11/9/2022 Massachusetts Financial Services Co. MA1,899,299$6.95M0.0%+7.1%2.281%
11/9/2022 Easterly Investment Partners LLC737,295$2.70M0.3%+11.3%0.885%
11/7/2022 Arete Wealth Advisors LLC12,000$44K0.0%N/A0.014%
11/3/2022 Barclays PLC54,153$198K0.0%-14.1%0.065%
11/1/2022 Rice Hall James & Associates LLC820,807$3.00M0.2%-7.5%0.986%
8/24/2022 Prelude Capital Management LLC150,000$549K0.0%+20.0%0.180%
8/15/2022 Opaleye Management Inc.90,970$333K0.2%N/A0.110%
8/13/2022 Massachusetts Financial Services Co. MA1,773,350$6.49M0.0%-0.8%2.145%
8/12/2022 FMR LLC12,402,156$45.39M0.0%+0.3%15.000%
8/8/2022 Walleye Capital LLC36,226$133K0.0%N/A0.044%
(Data available from 1/1/2016 forward)

OPTN Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of OPTN shares?

During the previous two years, 41 institutional investors and hedge funds held shares of OptiNose. The most heavily invested institutionals were FMR LLC ($11.08M), Great Point Partners LLC ($8.62M), Stonepine Capital Management LLC ($7.23M), Nantahala Capital Management LLC ($6.59M), MVM Partners LLC ($6.36M), Vanguard Group Inc. ($6.19M), and Rosalind Advisors Inc. ($5.86M).Learn more on OptiNose's institutional investors.

What percentage of OptiNose's stock is owned by institutional investors?

85.60% of OptiNose's stock is owned by institutional investors. Learn more on OPTN's institutional investor holdings.

Which institutional investors have been buying OptiNose's stock?

Of the 29 institutional investors that purchased OptiNose's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: MVM Partners LLC ($14.61M), Nantahala Capital Management LLC ($10.94M), Stonepine Capital Management LLC ($5.89M), Great Point Partners LLC ($4.94M), Rosalind Advisors Inc. ($3.75M), Easterly Investment Partners LLC ($947.93K), and FMR LLC ($566.17K).

How much institutional buying is happening at OptiNose?

Institutional investors have bought a total of 6,615,771 shares in the last 24 months. This purchase volume represents approximately $64.44M in transactions.

Which of OptiNose's major shareholders have been selling company stock?

Of the 21 institutional investors that sold OptiNose's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: MVM Partners LLC ($13.63M), Nantahala Capital Management LLC ($13.37M), Rosalind Advisors Inc. ($7.41M), Stonepine Capital Management LLC ($5.10M), D. E. Shaw & Co. Inc. ($4.67M), Bleichroeder LP ($3.78M), and Easterly Investment Partners LLC ($2.31M).

How much institutional selling is happening at OptiNose?

Institutional investors have sold a total of 57,616,394 shares in the last 24 months. This volume of shares sold represents approximately $389.25M in transactions.


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This page (NASDAQ:OPTN) was last updated on 8/28/2025 by MarketBeat.com Staff
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