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CBIONasdaqPharmaceutical PreparationsFiscal year ends December 31

CRESCENT BIOPHARMA, INC.

Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Jul 30, 2026
$12.36+0.52 (+4.39%)

Close on Oct 19, 2026

Market cap
–
P/E (TTM)
–
Dividend yield
–

Ownership

Institutional holdings as of Jun 30, 2026, from 13F filings

Held by institutions
78.4%
29M of 37M shares
Institutional holders
80
32 new, 12 sold out
Net institutional buying
4M
In Q2 2026
Insider trades, 12 months
2 buys · 16 sales
Net bought $29.10M

Shares held by institutions

Holders of more than 5%

Latest Schedule 13D (active) or 13G (passive) filed by each holder

HolderShares% of classFilingAs of
Jiaqiang Li896,7126.45%13G (passive)Aug 13, 2025
Invus Public Equities Advisors, LLC8,589,06413.30%13G (passive) amendmentDec 31, 2023
Tang Capital Management, LLC700,0005.04%13G (passive)Oct 2, 2025
Peter Harwin6,602,40816.52%13D (active) amendmentJul 16, 2026
Peter Evan Harwin5,643,48218.53%13D (active) amendmentDec 4, 2025
Abigail P. Johnson4,133,51415.00%13G (passive) amendmentDec 31, 2025
Tomas Kiselak3,124,22019.99%13D (active)Jun 13, 2025
Bong Y. Koh2,666,0649.50%13G (passive) amendmentDec 31, 2025
ForGrowth III PA B.V.1,677,8526.10%13G (passive)Dec 8, 2025
Dames GP LLC1,662,9176.03%13G (passive) amendmentJun 30, 2026
Bam Gp LLC1,510,0335.48%13G (passive)Mar 31, 2026
Ryan Wilder1,500,0005.40%13G (passive)Dec 31, 2025
1Globe Capital LLC1,425,43210.30%13G (passive) amendmentOct 7, 2025
FMR LLC1,414,19010.20%13G (passive)Jun 30, 2025
Venrock Healthcare Capital Partners EG, L.P.1,391,1969.90%13G (passive)Jun 13, 2025
Bvf Inc/Il1,387,8639.99%13G (passive) amendmentJun 30, 2025

Top institutional holders

13F holdings as of Jun 30, 2026

HolderShares% of CBIOValueChange% of portfolio
FMR LLC4,133,51411.13%$74.40M–0.00%
Bvf Inc/Il2,748,7637.40%$49.48M–1.27%
Fairmount Funds Management LLC2,747,8667.40%$49.46M–3.27%
VR Adviser, LLC2,133,5765.74%$38.40M–1.16%
Logos Global Management LP1,900,0005.12%$34.20M+1,417,5001.47%
Fcpm Iii Services B.V.1,677,8524.52%$30.20M–4.02%
Balyasny Asset Management L.P.1,662,9174.48%$29.93M+152,8840.04%
Vestal Point Capital, LP1,630,0004.39%$29.34M+130,0000.69%
Opaleye Management Inc.1,319,3513.55%$23.75M+6,7362.15%
BlackRock, Inc.1,271,7623.42%$22.89M+1,156,0370.00%
Tang Capital Management LLC1,160,0003.12%$20.88M–0.95%
Vanguard Capital Management LLC767,7552.07%$13.82M−33,6400.00%
Millennium Management LLC403,8591.09%$7.27M+80,3060.00%
Geode Capital Management, LLC384,5761.04%$6.92M+280,3550.00%
Jennison Associates LLC378,5071.02%$6.81M+225,5330.00%
Rtw Investments, LP372,8561.00%$6.71M–0.06%
NEXTBio Capital Management LP372,8561.00%$6.71M–3.09%
Remedium Capital Partners, LLC361,2500.97%$6.50MNew1.44%
State Street Corp315,5870.85%$5.68M+276,5200.00%
Ameriprise Financial Inc302,5680.81%$5.45MNew0.00%

Institutional buying and selling by quarter

Positions opened, added to, reduced and closed by 13F filers

QuarterHoldersShares held% of sharesNew / addedReduced / closedShares boughtShares sold
Q2 20268029M78.4%32 / 1714 / 126M2M
Q1 20266025M67.6%17 / 178 / 124M2M
Q4 20255624M63.9%21 / 179 / 614M1M
Q3 20254111M30.5%15 / 79 / 42M2M
Q2 20253011M28.9%30 / 00 / 011M0M

Top mutual fund and ETF holders

Latest monthly portfolio reports (Form N-PORT)

FundShares% of CBIOValue% of fundAs of
Vanguard Total Stock Market Index Fund661,9461.78%$11.92M0.00%Jun 30, 2026
Vanguard Extended Market Index Fund83,8010.23%$1.51M0.00%Jun 30, 2026
Nuveen Small Cap Blend Index Fund28,6600.08%$414.71K0.01%Jul 31, 2026
Nuveen Equity Index Fund18,9690.05%$274.48K0.00%Jul 31, 2026
Avantis U.S. Small Cap Equity ETF15,6120.04%$322.39K0.01%May 31, 2026
Vanguard Balanced Index Fund11,2120.03%$201.82K0.00%Jun 30, 2026
Vanguard Institutional Total Stock Market Index Fund10,7960.03%$194.33K0.00%Jun 30, 2026
Global X Russell 2000 ETF10,2770.03%$148.71K0.01%Jul 31, 2026
Small Cap Index Fund10,2530.03%$184.55K0.01%Jun 30, 2026
Victory Extended Market Index Fund2,5030.01%$36.22K0.00%Jul 31, 2026
SmallCap Growth Fund I1,8620.01%$26.94K0.00%Jul 31, 2026
Ultra Small Cap Profund2780.00%$4.02K0.01%Jul 31, 2026
Knights of Columbus U.S. ALL CAP INDEX FUND1200.00%$1.74K0.00%Jul 31, 2026
Profund Vp Ultra Small Cap890.00%$1.60K0.01%Jun 30, 2026
Profund Vp Small Cap580.00%$1.04K0.01%Jun 30, 2026

Officers, directors and major owners

People who filed Forms 3, 4 or 5 in the last two years

NameRoleShares owned% of sharesLatest filing
Joshua T. BrummChief Executive Officer, Director271,7650.73%Sep 18, 2026
Ellie Eunkyung ImChief Medical Officer21,4460.06%Sep 18, 2026
Jan PinkasChief Scientific Officer21,5810.06%Sep 18, 2026
Jonathan McNeillPresident and COO134,5880.36%Sep 18, 2026
Richard William ScalzoChief Financial Officer19,7300.05%Sep 18, 2026
Ryan LynchSee Remarks13,6310.04%Sep 18, 2026
Barbara Harlin BisphamSee Remarks18,7100.05%Sep 18, 2026
Christopher Grant DoughtyChief Business Officer62,1940.17%Dec 17, 2025
Healthcare Fund II L.P. FairmountDirector, 10% owner3,601,3169.70%Jul 20, 2026
Tomas KiselakDirector, 10% owner––Jul 20, 2026
Funds Management LLC FairmountDirector, 10% owner––Jul 20, 2026
Peter Evan HarwinDirector, 10% owner2,747,8667.40%Jul 20, 2026
David Charles LubnerDirector––Jun 3, 2026
Susan MoranDirector––Jun 3, 2026
Alexandra BalcomDirector––Jun 3, 2026
Jonathan ViolinDirector69,5150.19%Jun 3, 2026
Ii Gp Llc Bvf–––Jun 17, 2025
Mark N. Lampert10% owner––Jun 17, 2025
Value Fund Ii Lp Biotechnology–2,955,4407.96%Jun 17, 2025
I. Gp Llc Bvf10% owner––Jun 17, 2025
Inc/Il Bvf10% owner4,980,81213.41%Jun 17, 2025
Value Trading Fund OS LP Biotechnology–1,644,6244.43%Jun 17, 2025
Gp Holdings Llc Bvf10% owner707,1161.90%Jun 17, 2025
Partners L. P/Il Bvf10% owner––Jun 17, 2025
Value Fund L. P. Biotechnology10% owner2,265,6066.10%Jun 17, 2025
Partners OS Ltd. BVF–––Jun 17, 2025

Insider trades

Common stock transactions reported on Form 4, newest first

InsiderDateTransactionSharesPriceValueShares after
Joshua T. Brumm
Chief Executive Officer, Director
Sep 18, 2026Sale(10b5-1 plan)−7,837$16.71$130.96K271,765
Jonathan McNeill
President and COO
Sep 18, 2026Sale(10b5-1 plan)−3,839$16.71$64.15K134,588
Barbara Harlin Bispham
See Remarks
Sep 16, 2026Sale(10b5-1 plan)−620$17.90$11.10K18,710
Joshua T. Brumm
Chief Executive Officer, Director
Sep 16, 2026Sale(10b5-1 plan)−1,610$17.90$28.82K279,602
Ellie Eunkyung Im
Chief Medical Officer
Sep 16, 2026Sale(10b5-1 plan)−623$17.90$11.15K21,446
Jan Pinkas
Chief Scientific Officer
Sep 16, 2026Sale(10b5-1 plan)−658$17.90$11.78K21,581
Ryan Lynch
See Remarks
Sep 16, 2026Sale(10b5-1 plan)−240$17.90$4.30K13,631
Richard William Scalzo
Chief Financial Officer
Sep 16, 2026Sale(10b5-1 plan)−568$17.90$10.17K19,730
Jonathan McNeill
President and COO
Sep 16, 2026Sale(10b5-1 plan)−731$17.90$13.08K138,427
Healthcare Fund II L.P. Fairmount
Director, 10% owner
Jul 16, 2026Buy+853,450$14.50$12.38M3,601,316
Joshua T. Brumm
Chief Executive Officer, Director
Jun 22, 2026Sale(10b5-1 plan)−42,305$17.99$761.07K281,212
Barbara Harlin Bispham
See Remarks
Jun 22, 2026Sale(10b5-1 plan)−1,218$17.99$21.91K19,330
Ellie Eunkyung Im
Chief Medical Officer
Jun 22, 2026Sale(10b5-1 plan)−1,219$17.99$21.93K22,069
Ryan Lynch
See Remarks
Jun 22, 2026Sale(10b5-1 plan)−465$17.99$8.37K13,871
Richard William Scalzo
Chief Financial Officer
Jun 22, 2026Sale(10b5-1 plan)−1,112$17.99$20.00K20,298
Jonathan McNeill
President and COO
Jun 22, 2026Sale(10b5-1 plan)−20,549$17.99$369.68K139,158
Jan Pinkas
Chief Scientific Officer
Jun 22, 2026Sale(10b5-1 plan)−1,288$17.99$23.17K22,239
Jonathan McNeill
President and COO
Dec 15, 2025Award+6,000––159,707
Jonathan McNeill
President and COO
Dec 15, 2025Award+19,507––153,707
Ryan Lynch
See Remarks
Dec 15, 2025Award+4,000––12,378
Ryan Lynch
See Remarks
Dec 15, 2025Award+8,378––8,378
Richard William Scalzo
Chief Financial Officer
Dec 15, 2025Award+5,000––19,422
Richard William Scalzo
Chief Financial Officer
Dec 15, 2025Award+14,422––14,422
Joshua T. Brumm
Chief Executive Officer, Director
Dec 15, 2025Award+10,000––323,517
Joshua T. Brumm
Chief Executive Officer, Director
Dec 15, 2025Award+45,117––313,517
Christopher Grant Doughty
Chief Business Officer
Dec 15, 2025Award+8,000––62,194
Christopher Grant Doughty
Chief Business Officer
Dec 15, 2025Award+14,714––54,194
Ellie Eunkyung Im
Chief Medical Officer
Dec 15, 2025Award+16,298––16,298
Ellie Eunkyung Im
Chief Medical Officer
Dec 15, 2025Award+5,000––21,298
Barbara Harlin Bispham
See Remarks
Dec 15, 2025Award+12,422––12,422
Barbara Harlin Bispham
See Remarks
Dec 15, 2025Award+6,000––18,422
Jan Pinkas
Chief Scientific Officer
Dec 15, 2025Award+17,507––17,507
Jan Pinkas
Chief Scientific Officer
Dec 15, 2025Award+5,000––22,507
Peter Evan Harwin
Director, 10% owner
Dec 4, 2025Buy+1,360,000$13.41$18.24M2,747,866
Gp Holdings Llc Bvf
10% owner
Jun 13, 2025Other+657,308––707,116
Gp Holdings Llc Bvf
10% owner
Jun 13, 2025Other+556,617––593,740
Gp Holdings Llc Bvf
10% owner
Jun 13, 2025Other+56,079––62,383
Siren, L.L.C.
10% owner
Aug 8, 2024Sale−260,873$0.19$49.57K6,317,565
Siren, L.L.C.
10% owner
Aug 7, 2024Sale−61,488$0.18$11.07K6,578,438
Invus Public Equities Advisors, LLC
10% owner
Aug 6, 2024Sale−55,732$0.18$10.03K6,639,926
Invus Public Equities Advisors, LLC
10% owner
Aug 5, 2024Sale−164,523$0.19$31.26K6,695,658
Siren, L.L.C.
10% owner
Aug 2, 2024Sale−286,200$0.20$57.24K6,860,181
Siren, L.L.C.
10% owner
Aug 1, 2024Sale−63,564$0.22$13.98K7,146,381
Siren, L.L.C.
10% owner
Jul 30, 2024Sale−756,835$0.22$166.50K7,209,945
Siren, L.L.C.
10% owner
Jul 29, 2024Sale−363,949$0.24$87.35K7,966,780
Siren, L.L.C.
10% owner
Jul 26, 2024Sale−258,335$0.24$62.00K8,330,729
Edwin Rock
Chief Medical Officer
Jun 21, 2024Buy+115,000$0.27$31.05K680,403
Edwin Rock
Chief Medical Officer
Jun 20, 2024Buy+190,000$0.25$47.50K565,403
Brian M. Hahn
SVP Finance, CFO
Jun 18, 2024Buy+17,500$0.25$4.38K70,643
Mark Alan Goldberg
Director
Mar 29, 2024Award+4,584$3.00$13.75K24,828
Daniel M. Junius
Director
Mar 29, 2024Award+5,209$3.00$15.63K98,459
Rachel K. King
Director
Mar 29, 2024Award+3,334$3.00$10.00K515,194
Mark Alan Goldberg
Director
Dec 29, 2023Award+5,827$2.36$13.75K20,244
Patricia S. Andrews
Director
Dec 29, 2023Award+5,191$2.36$12.25K58,608
Rachel K. King
Director
Dec 29, 2023Award+4,238$2.36$10.00K511,860
Rachel K. King
Director
Sep 30, 2023Award+6,667$1.50$10.00K507,622
Patricia S. Andrews
Director
Sep 30, 2023Award+8,167$1.50$12.25K53,417
Mark Alan Goldberg
Director
Sep 30, 2023Award+9,167$1.50$13.75K14,417
Edwin Rock
Chief Medical Officer
Sep 22, 2023Buy+30,403$1.38$41.96K375,403
Edwin Rock
Chief Medical Officer
Sep 21, 2023Buy+35,000$1.38$48.30K345,000

Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.

Planned insider sales

Notices of proposed sale filed on Form 144 before shares are sold

SellerFiledSharesMarket valuePlanned saleAcquired through
T. Brumm Joshua
Officer, Director
Sep 17, 20269,013$154.84KSep 18, 2026Restricted Stock Unit Vesting
McNeill Jonathan
Officer
Sep 17, 20264,415$75.85KSep 18, 2026Restricted Stock Unit Vesting
McNeill Jonathan
Officer
Sep 16, 2026804$15.12KSep 16, 2026Restricted Stock Unit Vesting
T. Brumm Joshua
Officer, Director
Sep 16, 20261,771$33.29KSep 16, 2026Restricted Stock Unit Vesting
Brian M. Hahn
Officer
May 17, 20234,313$8.45KMay 17, 2023Stock Plan Activity