Fennec Pharmaceuticals Inc. (FENC) Ownership

NASDAQ: FENCTop holders, insider trades and short interest.

FENC ownership summary

as of October 17, 2026
Institutions
54.3%
of shares outstanding
Insiders
14.17%
of shares outstanding
Shares outstanding
35.1M
Float
19.9M
shares available to trade
Short interest
1.69%
513K shares short
Days to cover
2.45
short interest down 5.8% vs prior month
  • Institutions 54.31%
  • Insiders 14.17%
  • Other investors 31.52%

FENC top institutional holders

20 largest
Fennec Pharmaceuticals Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1Rosalind Advisors, Inc.9.09%3.2M$31.8M+279,800 (+9.6%)June 30, 2026
2AIGH Capital Management, LLC7.09%2.5M$24.8M+504,537 (+25.5%)June 30, 2026
3Solas Capital Management LLC5.39%1.9M$18.9M−592,832 (−23.9%)June 30, 2026
4BlackRock Inc4.92%1.7M$17.2M+358,893 (+26.2%)June 30, 2026
5Awm Investment Company Inc3.31%1.2M$11.6M+440,161 (+61.1%)June 30, 2026
6Vanguard Capital Management, LLC2.39%839K$8.4M−57,838 (−6.4%)June 30, 2026
7Prospect Capital Advisors, LLC1.42%498K$5.0M+497,800 (0.0%)June 30, 2026
8State Street Corp1.21%426K$4.3M+66,949 (+18.6%)June 30, 2026
9Geode Capital Management, LLC1.15%403K$4.0M+30,828 (+8.3%)June 30, 2026
10Jane Street Group LLC0.67%234K$2.3M+233,877 (0.0%)June 30, 2026
11Potomac Capital Management, Inc.0.64%224K$2.2M—June 30, 2026
12Morgan Stanley - Brokerage Accounts0.63%222K$2.2M+10,812 (+5.1%)June 30, 2026
13Vanguard Portfolio Management, LLC0.57%200K$2.0M+31,525 (+18.7%)June 30, 2026
14Northern Trust Corp0.48%168K$1.7M+15,799 (+10.4%)June 30, 2026
15Marshall Wace Asset Management Ltd0.40%139K$1.4M+138,758 (0.0%)June 30, 2026
16Renaissance Technologies Corp0.38%134K$1.3M+134,200 (0.0%)June 30, 2026
17Nuveen, LLC0.37%131K$1.3M+70,534 (+115.7%)June 30, 2026
18Trexquant Investment LP0.34%119K$1.2M+67,253 (+129.7%)June 30, 2026
19CenterBook Partners LP0.34%119K$1.2M+118,582 (0.0%)June 30, 2026
20Lion Point Capital, LP0.32%112K$1.1M—June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 16 holders added 3.0M shares and 2 cut 651K.

FENC top mutual fund and ETF holders

20 largest
Fennec Pharmaceuticals Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1Vanguard MStar Total Stk Mkt Idx Invest2.32%815K$8.1M—August 31, 2026
2iShares Russell 2000 ETF2.16%757K$7.6M−8,704 (−1.1%)September 30, 2026
3Fidelity Small Cap Index0.90%316K$3.2M+1,875 (+0.6%)July 31, 2026
4iShares Russell 2000 Growth ETF0.78%275K$2.7M−348 (−0.1%)September 30, 2026
5Vanguard Russell 2000 ETF0.47%167K$1.7M+3,360 (+2.1%)August 31, 2026
6Bridgeway Ultra-Small Company0.31%108K$1.1M+25,000 (+30.1%)June 30, 2026
7CREF Total Global Stock Account R30.27%96K$959,318—July 31, 2026
8iShares Micro-Cap ETF0.26%92K$913,559−631 (−0.7%)September 30, 2026
9Schwab Small Cap Index0.20%71K$703,630—August 31, 2026
10Stt Strt SPDR® Russell2000 US SmCapETF0.15%52K$519,549+2,496 (+5.0%)August 31, 2026
11iShares Russell 2000 Small-Cap Idx Instl0.14%50K$503,800—August 31, 2026
12SEI Small Cap II A (SIIT)0.12%40K$403,172+12,060 (+42.6%)September 30, 2026
13Nuveen Small Cap Blend Idx R60.10%34K$337,454—August 31, 2026
14SEI Small Cap A (SIIT)0.09%33K$326,855+14,760 (+82.0%)September 30, 2026
15BSF Systematic US Eq Abs Ret A2 USD0.09%32K$320,079—December 31, 2025
16Vanguard Russell 2000 Growth ETF0.09%32K$319,120+152 (+0.5%)August 31, 2026
17Fidelity Small Cap Growth Index0.08%29K$285,668+1,413 (+5.2%)July 31, 2026
18EQ/2000 Managed Volatility IB0.08%28K$282,863−5,229 (−15.6%)August 31, 2026
19SEI Small Cap F (SIMT)0.08%28K$280,438+12,220 (+77.0%)September 30, 2026
20Xtrackers Russell 2000 ETF 1C0.08%27K$264,989+1,158 (+4.6%)August 31, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

FENC insider transactions

latest 20
Fennec Pharmaceuticals Inc. insider transactions
DateNameTransactionPriceSharesValue
2026-04-01Rosty RaykovSell$6.3110,946$69,069
2026-02-02Rosty RaykovSell$7.7610,349$80,308
2025-12-24Southpoint Capital Advisors LpSell$7.501,000,000$7.5M
2025-12-05Rosty RaykovSell$7.5410,000$75,400
2025-11-18Southpoint Capital Advisors LpSell$8.7919,341$170,007
2025-11-17Southpoint Capital Advisors LpSell$8.7985,918$755,219
2025-11-14Southpoint Capital Advisors LpSell$8.00160,100$1.3M
2025-11-05Rosty RaykovSell$8.1010,000$81,000
2025-10-10Chris A RallisSell$9.241,775$16,401
2025-10-09Southpoint Capital Advisors LpSell$9.3520,609$192,694
2025-10-08Southpoint Capital Advisors LpSell$9.4719,605$185,659
2025-10-07Southpoint Capital Advisors LpSell$9.5926,900$257,971
2025-10-06Rosty RaykovSell$9.7810,000$97,800
2025-08-05Rosty RaykovSell$8.0910,000$80,900
2025-07-07Chris A RallisSell$8.711,119$9,746
2025-07-03Rosty RaykovSell$8.6110,000$86,100
2025-06-05Rosty RaykovSell$7.7810,000$77,800
2025-05-19Jeffrey S HackmanBuy$6.9913,965$97,615
2025-05-16Jeffrey S HackmanBuy$6.751,035$6,986
2025-05-05Rosty RaykovSell$6.3110,000$63,100

Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.

FENC shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns FENC

Institutional investors own 54.3% of Fennec Pharmaceuticals's shares and insiders 14.17%. The largest holder is Rosalind Advisors, Inc. with 9.09% of the shares (3.2M), as of June 30, 2026. Among the top 20 institutions, 16 added shares and 2 reduced their stake in the latest filings. Short interest is 1.69% of the float, or 2.45 days of average trading volume. The share count rose 215.8% since 2014.

Related: FENC analyst forecast, FENC key metrics. See the FENC stock overview for the latest quote and news.

FENC ownership FAQ

Who owns the most Fennec Pharmaceuticals stock?

The largest shareholders of Fennec Pharmaceuticals are Rosalind Advisors, Inc. (9.09%), AIGH Capital Management, LLC (7.09%), Solas Capital Management LLC (5.39%), BlackRock Inc (4.92%), Awm Investment Company Inc (3.31%).

What percentage of Fennec Pharmaceuticals is owned by institutions?

Institutions hold 54.3% of Fennec Pharmaceuticals's shares outstanding; insiders hold 14.17%.

Which funds own Fennec Pharmaceuticals?

The largest fund holders of Fennec Pharmaceuticals are Vanguard MStar Total Stk Mkt Idx Invest (2.32%), iShares Russell 2000 ETF (2.16%), Fidelity Small Cap Index (0.90%), iShares Russell 2000 Growth ETF (0.78%), Vanguard Russell 2000 ETF (0.47%).

What is Fennec Pharmaceuticals's short interest?

513K shares of Fennec Pharmaceuticals were sold short, 1.69% of the float; at the average daily volume it would take 2.45 days to cover.

Are insiders buying or selling Fennec Pharmaceuticals?

Of the latest 20 reported insider transactions in Fennec Pharmaceuticals (since May 5, 2025), 2 were purchases and 18 were sales.

How many shares of Fennec Pharmaceuticals are outstanding?

Fennec Pharmaceuticals has 35.1M shares outstanding, of which 19.9M are in the public float.

Biotechnology: ownership