Gladstone Commercial Corporation
US ˙ NasdaqGS ˙ US3765361080

SecurityGOOD / Gladstone Commercial Corporation
InstitutionCitadel Advisors Llc
ManagerKen Griffin
Latest Disclosed Ownership115,709 shares
Latest Disclosed Value $ 1,322,554
Citadel Advisors Llc ownership in GOOD / Gladstone Commercial Corporation

On May 15, 2026 - Citadel Advisors Llc filed a 13F-HR form disclosing ownership of 115,709 shares of Gladstone Commercial Corporation (US:GOOD) valued at $1,322,554 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 165,374 shares of Gladstone Commercial Corporation. This represents a change in shares of -30.03% during the quarter. The current value of the position is $1,475,290 USD.

Citadel Advisors Llc has a history of taking positions in derivatives of the underlying security (GOOD) in the form of stock options. The firm currently holds call options representing 46,300 of underlying shares valued at $529,209 USD and put options representing 26,700 of underlying shares valued at $305,181 USD .

Note: prior versions of this page mistakenly stated that the share values represented the number of options, not the number of underlying shares. For more information on the data backing these reports, please see the SEC document Frequently Asked Questions About Form 13F.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Institutional Put/Call Ratios
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In addition to reporting standard equity and debt issues, institutions with more than 100MM assets under management must also disclose their put and call option holdings. Since put options generally indicate negative sentiment, and call options indicate positive sentiment, we can get a sense of the overall institutional sentiment by plotting the ratio of puts to calls. The chart to the right plots the historical put/call ratio for this instrument.

Using Put/Call Ratio as an indicator of investor sentiment overcomes one of the key deficiencies of using total institutional ownership, which is that a significant amount of assets under management are invested passively to track indices. Passively-managed funds do not typically buy options, so the put/call ratio indicator more closely tracks the sentiment of actively-managed funds.

GOOD / Gladstone Commercial Corporation Historical Put/Call Ratio
Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-15 2026-03-31 13F GLADSTONE COMMERCIAL COM 376536108 115,709 -49,665 -30.03 1,323 -25.06 0.0002
2026-02-17 2025-12-31 13F GLADSTONE COMMERCIAL COM 376536108 165,374 -113,783 -40.76 1,765 -48.71 0.0003
2025-11-14 2025-09-30 13F GLADSTONE COMMERCIAL COM 376536108 279,157 138,731 98.79 3,439 70.92 0.0005
2025-08-14 2025-06-30 13F GLADSTONE COMMERCIAL COM 376536108 140,426 -62,840 -30.92 2,012 -33.90 0.0003
2025-05-15 2025-03-31 13F GLADSTONE COMMERCIAL COM 376536108 203,266 -1,693 -0.83 3,045 -8.53 0.0006
2025-02-14 2024-12-31 13F GLADSTONE COMMERCIAL COM 376536108 204,959 -18,147 -8.13 3,329 -8.14 0.0006
2024-11-14 2024-09-30 13F GLADSTONE COMMERCIAL COM 376536108 223,106 12,585 5.98 3,623 20.61 0.0007
2024-08-14 2024-06-30 13F GLADSTONE COMMERCIAL COM 376536108 210,521 15,106 7.73 3,004 11.09 0.0006
2024-05-15 2024-03-31 13F GLADSTONE COMMERCIAL COM 376536108 195,415 -53,325 -21.44 2,705 -17.89 0.0005
2024-02-14 2023-12-31 13F GLADSTONE COMMERCIAL COM 376536108 248,740 -9,291 -3.60 3,293 4.97 0.0007
2023-11-14 2023-09-30 13F GLADSTONE COMMERCIAL COM 376536108 258,031 -23,344 -8.30 3,138 -9.86 0.0007
2023-08-14 2023-06-30 13F GLADSTONE COMMERCIAL COM 376536108 281,375 -24,195 -7.92 3,481 -9.82 0.0007
2023-05-15 2023-03-31 13F GLADSTONE COMMERCIAL COM 376536108 305,570 293,317 2,393.84 3,859 1,607.52 0.0008
2023-02-14 2022-12-31 13F GLADSTONE COMMERCIAL COM 376536108 12,253 12,253 227 0.0001
2022-11-14 2022-09-30 13F GLADSTONE COMMERCIAL COM 376536108 0 -43,750 -100.00 0 -100.00
2022-08-15 2022-06-30 13F GLADSTONE COMMERCIAL COM 376536108 43,750 -87,213 -66.59 824 -71.43 0.0002
2022-05-16 2022-03-31 13F GLADSTONE COMMERCIAL COM 376536108 130,963 15,947 13.87 2,884 -2.70 0.0006
2022-02-14 2021-12-31 13F GLADSTONE COMMERCIAL COM 376536108 115,016 115,016 2,964 0.0006
2021-08-16 2021-06-30 13F GLADSTONE COMMERCIAL COM 376536108 0 -22,283 -100.00 0 -100.00
2021-05-21 2021-03-31 13F/A-1 GLADSTONE COMMERCIAL COM 376536108 22,283 -4,871 -17.94 436 -10.84 0.0001
2021-05-17 2021-03-31 13F GLADSTONE COMMERCIAL COM 376536108 22,283 -4,871 436 0.0001
2021-02-16 2020-12-31 13F GLADSTONE COMMERCIAL COM 376536108 27,154 27,154 489 0.0001
2020-11-16 2020-09-30 13F GLADSTONE COMMERCIAL Cmn 376536108 0 -87,289 -100.00 0 -100.00
2020-08-14 2020-06-30 13F GLADSTONE COMMERCIAL Cmn 376536108 87,289 -29,584 -25.31 1,636 -2.56 0.0006
2020-05-15 2020-03-31 13F GLADSTONE COMMERCIAL Cmn 376536108 116,873 96,885 484.72 1,679 284.21 0.0008
2020-02-14 2019-12-31 13F GLADSTONE COML Cmn 376536108 19,988 -49,294 -71.15 437 -73.16 0.0002
2019-11-14 2019-09-30 13F GLADSTONE COML Cmn 376536108 69,282 -8,982 -11.48 1,628 -1.99 0.0008
2019-08-14 2019-06-30 13F GLADSTONE COML Cmn 376536108 78,264 42,334 117.82 1,661 122.65 0.0008
2019-05-15 2019-03-31 13F GLADSTONE COML Cmn 376536108 35,930 18,890 110.86 746 143.79 0.0004
2019-02-14 2018-12-31 13F GLADSTONE COML Cmn 376536108 17,040 -6,285 -26.95 306 -31.39 0.0002
2018-11-13 2018-09-30 13F GLADSTONE COML Cmn 376536108 23,325 -176,840 -88.35 446 -88.40 0.0002
2018-08-14 2018-06-30 13F/A-1 GLADSTONE COML Cmn 376536108 200,165 60,023 42.83 3,846 58.27 0.0019
2018-08-10 2018-06-30 13F GLADSTONE COML Cmn 376536108 200,165 60,023 3,846
2018-05-14 2018-03-31 13F/A-1 GLADSTONE COML Cmn 376536108 140,142 10,235 7.88 2,430 -11.18 0.0013
2018-05-11 2018-03-31 13F GLADSTONE COML Cmn 376536108 140,142 10,235 2,430
2018-02-09 2017-12-31 13F GLADSTONE COML Cmn 376536108 129,907 14,686 12.75 2,736 6.63 0.0017
2017-11-09 2017-09-30 13F GLADSTONE COML Cmn 376536108 115,221 51,328 80.33 2,566 84.34 0.0020
2017-08-11 2017-06-30 13F GLADSTONE COML Cmn 376536108 63,893 63,893 1,392 0.0012
2017-02-10 2016-12-31 13F GLADSTONE COMMERCIAL CORP Cmn 376536108 0 -14,189 -100.00 0 -100.00
2017-01-31 2016-09-30 13F/A-1 GLADSTONE COML Cmn 376536108 14,189 -11,133 -43.97 264 -38.32 0.0003
2016-11-10 2016-09-30 13F GLADSTONE COMMERCIAL CORP Cmn 376536108 14,189 264
2017-01-31 2016-06-30 13F/A-1 GLADSTONE COML Cmn 376536108 25,322 25,322 0.00 428 0.0005
2016-08-12 2016-06-30 13F GLADSTONE COMMERCIAL CORP Cmn 376536108 25,322 21,518 428
2016-05-13 2016-03-31 13F GLADSTONE COMMERCIAL CORP Cmn 376536108 0 -3,804 -100.00 0 -100.00
2017-01-31 2015-12-31 13F/A-1 GLADSTONE COML Cmn 376536108 3,804 1,623 74.42 56 80.65 0.0001
2016-02-12 2015-12-31 13F GLADSTONE COMMERCIAL CORP Cmn 376536108 3,804 56
2015-11-16 2015-09-30 13F GLADSTONE COMMERCIAL CORP Cmn 376536108 2,181 2,181 0.00 31 0.0000
2015-08-14 2015-06-30 13F GLADSTONE COMMERCIAL CORP Cmn 376536108 0 -57,490 -100.00 0 -100.00
2015-05-15 2015-03-31 13F GLADSTONE COMMERCIAL CORP Cmn 376536108 57,490 57,490 0.00 1,070 0.0012
2015-02-17 2014-12-31 13F GLADSTONE COMMERCIAL CORP Cmn 376536108 0 -15,867 -100.00 0 -100.00
2014-11-14 2014-09-30 13F GLADSTONE COMMERCIAL CORP Cmn 376536108 15,867 15,867 0.00 270 0.0003
2014-08-14 2014-06-30 13F GLADSTONE COMMERCIAL CORP Cmn 376536108 0 -12,713 -100.00 0 -100.00
2014-05-15 2014-03-31 13F GLADSTONE COMMERCIAL CORP Cmn 376536108 12,713 12,713 220 0.0003
Disclosed Call Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share
Price
Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2026-05-15 2026-03-31 13F GLADSTONE COMMERCIAL COM Call 46,300 529 n/a n/a n/a
2026-02-17 2025-12-31 13F GLADSTONE COMMERCIAL COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2025-11-14 2025-09-30 13F GLADSTONE COMMERCIAL COM Call 10,200 -17.74 126 -29.38 n/a n/a n/a
2025-08-14 2025-06-30 13F GLADSTONE COMMERCIAL COM Call 12,400 -47.23 178 -49.72 n/a n/a n/a
2025-05-15 2025-03-31 13F GLADSTONE COMMERCIAL COM Call 23,500 40.72 352 29.89 n/a n/a n/a
2025-02-14 2024-12-31 13F GLADSTONE COMMERCIAL COM Call 16,700 -16.50 271 -16.36 n/a n/a n/a
2024-11-14 2024-09-30 13F GLADSTONE COMMERCIAL COM Call 20,000 -10.31 325 1.89 n/a n/a n/a
2024-08-14 2024-06-30 13F GLADSTONE COMMERCIAL COM Call 22,300 13.78 318 17.34 n/a n/a n/a
2024-05-15 2024-03-31 13F GLADSTONE COMMERCIAL COM Call 19,600 56.80 271 64.24 n/a n/a n/a
2024-02-14 2023-12-31 13F GLADSTONE COMMERCIAL COM Call 12,500 -43.44 166 -38.43 n/a n/a n/a
2023-11-14 2023-09-30 13F GLADSTONE COMMERCIAL COM Call 22,100 -8.30 269 -10.07 n/a n/a n/a
2023-08-14 2023-06-30 13F GLADSTONE COMMERCIAL COM Call 24,100 -0.82 298 -2.61 n/a n/a n/a
2023-05-15 2023-03-31 13F GLADSTONE COMMERCIAL COM Call 24,300 -35.71 307 -56.22 n/a n/a n/a
2023-02-14 2022-12-31 13F GLADSTONE COMMERCIAL COM Call 37,800 45.95 699 74.31 n/a n/a n/a
2022-11-14 2022-09-30 13F GLADSTONE COMMERCIAL COM Call 25,900 32.82 401 9.26 n/a n/a n/a
2022-08-15 2022-06-30 13F GLADSTONE COMMERCIAL COM Call 19,500 8.94 367 -6.85 n/a n/a n/a
2022-05-16 2022-03-31 13F GLADSTONE COMMERCIAL COM Call 17,900 -30.89 394 -40.93 n/a n/a n/a
2022-02-14 2021-12-31 13F GLADSTONE COMMERCIAL COM Call 25,900 94.74 667 138.21 n/a n/a n/a
2021-11-15 2021-09-30 13F GLADSTONE COMMERCIAL Cmn Call 13,300 -3.62 280 -9.97 n/a n/a n/a
2021-08-16 2021-06-30 13F GLADSTONE COMMERCIAL COM Call 13,800 -62.60 311 -56.93 n/a n/a n/a
2021-05-21 2021-03-31 13F/A GLADSTONE COMMERCIAL COM Call 36,900 9.82 722 19.34 n/a n/a n/a
2021-05-17 2021-03-31 13F GLADSTONE COMMERCIAL COM Call 36,900 722 n/a n/a n/a
2021-02-16 2020-12-31 13F GLADSTONE COMMERCIAL COM Call 33,600 -21.50 605 -16.09 n/a n/a n/a
2020-11-16 2020-09-30 13F GLADSTONE COMMERCIAL COM Call 42,800 0.23 721 -9.99 n/a n/a n/a
2020-08-14 2020-06-30 13F GLADSTONE COMMERCIAL Cmn Call 42,700 54.71 801 102.27 n/a n/a n/a
2020-05-15 2020-03-31 13F GLADSTONE COMMERCIAL Cmn Call 27,600 43.01 396 -6.16 n/a n/a n/a
2020-02-14 2019-12-31 13F GLADSTONE COML Cmn Call 19,300 46.21 422 36.13 n/a n/a n/a
2019-11-14 2019-09-30 13F GLADSTONE COML Cmn Call 13,200 -55.25 310 -50.48 n/a n/a n/a
2019-08-14 2019-06-30 13F GLADSTONE COML Cmn Call 29,500 36.57 626 39.42 n/a n/a n/a
2019-05-15 2019-03-31 13F GLADSTONE COML Cmn Call 21,600 449 n/a n/a n/a
2018-08-14 2018-06-30 13F/A GLADSTONE COML Cmn Call 0 -100.00 0 -100.00 n/a n/a n/a
2018-05-14 2018-03-31 13F/A GLADSTONE COML Cmn Call 10,700 186 n/a n/a n/a
2018-05-11 2018-03-31 13F GLADSTONE COML Cmn Call 10,700 186 n/a n/a n/a
2017-01-31 2016-03-31 13F/A GLADSTONE COMMERCIAL CORP Cmn Call 0 -100.00 0 -100.00 n/a n/a n/a
2017-01-31 2015-12-31 13F/A GLADSTONE COML Cmn Call 300 -50.00 4 -50.00 n/a n/a n/a
2016-02-12 2015-12-31 13F GLADSTONE COMMERCIAL CORP Cmn Call 300 4 n/a n/a n/a
2015-11-16 2015-09-30 13F GLADSTONE COMMERCIAL CORP Cmn Call 600 8 n/a n/a n/a
2015-08-14 2015-06-30 13F GLADSTONE COMMERCIAL CORP Cmn Call 0 -100.00 0 -100.00 n/a n/a n/a
2015-05-15 2015-03-31 13F GLADSTONE COMMERCIAL CORP Cmn Call 3,900 73 n/a n/a n/a
2015-02-17 2014-12-31 13F GLADSTONE COMMERCIAL CORP Cmn Call 0 -100.00 0 -100.00 n/a n/a n/a
2014-11-14 2014-09-30 13F GLADSTONE COMMERCIAL CORP Cmn Call 300 5 n/a n/a n/a
2014-08-14 2014-06-30 13F GLADSTONE COMMERCIAL CORP Cmn Call 0 -100.00 0 -100.00 n/a n/a n/a
2014-05-15 2014-03-31 13F GLADSTONE COMMERCIAL CORP Cmn Call 400 7 n/a n/a n/a
Disclosed Put Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share Price Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2026-05-15 2026-03-31 13F GLADSTONE COMMERCIAL COM Put 26,700 -19.34 305 -13.60 n/a n/a n/a
2026-02-17 2025-12-31 13F GLADSTONE COMMERCIAL COM Put 33,100 78.92 353 55.51 n/a n/a n/a
2025-11-14 2025-09-30 13F GLADSTONE COMMERCIAL COM Put 18,500 228 n/a n/a n/a
2025-08-14 2025-06-30 13F GLADSTONE COMMERCIAL COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2025-05-15 2025-03-31 13F GLADSTONE COMMERCIAL COM Put 11,500 -47.25 172 -51.41 n/a n/a n/a
2025-02-14 2024-12-31 13F GLADSTONE COMMERCIAL COM Put 21,800 990.00 354 1,006.25 n/a n/a n/a
2024-11-14 2024-09-30 13F GLADSTONE COMMERCIAL COM Put 2,000 -57.45 32 -52.24 n/a n/a n/a
2024-08-14 2024-06-30 13F GLADSTONE COMMERCIAL COM Put 4,700 -76.50 67 -75.72 n/a n/a n/a
2024-05-15 2024-03-31 13F GLADSTONE COMMERCIAL COM Put 20,000 -55.75 277 -53.85 n/a n/a n/a
2024-02-14 2023-12-31 13F GLADSTONE COMMERCIAL COM Put 45,200 128.28 598 149.17 n/a n/a n/a
2023-11-14 2023-09-30 13F GLADSTONE COMMERCIAL COM Put 19,800 15.12 241 13.21 n/a n/a n/a
2023-08-14 2023-06-30 13F GLADSTONE COMMERCIAL COM Put 17,200 -33.85 213 -35.37 n/a n/a n/a
2023-05-15 2023-03-31 13F GLADSTONE COMMERCIAL COM Put 26,000 100.00 328 36.67 n/a n/a n/a
2023-02-14 2022-12-31 13F GLADSTONE COMMERCIAL COM Put 13,000 240 n/a n/a n/a
2022-11-14 2022-09-30 13F GLADSTONE COMMERCIAL COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2022-08-15 2022-06-30 13F GLADSTONE COMMERCIAL COM Put 20,900 120.00 394 88.52 n/a n/a n/a
2022-05-16 2022-03-31 13F GLADSTONE COMMERCIAL COM Put 9,500 209 n/a n/a n/a
2022-03-11 2021-09-30 13F/A GLADSTONE COMMERCIAL COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2021-11-15 2021-09-30 13F GLADSTONE COMMERCIAL COM Put 0 0 n/a n/a n/a
2021-08-16 2021-06-30 13F GLADSTONE COMMERCIAL COM Put 10,500 -27.08 237 -15.96 n/a n/a n/a
2021-05-21 2021-03-31 13F/A GLADSTONE COMMERCIAL COM Put 14,400 -28.00 282 -21.67 n/a n/a n/a
2021-05-17 2021-03-31 13F GLADSTONE COMMERCIAL COM Put 14,400 282 n/a n/a n/a
2021-02-16 2020-12-31 13F GLADSTONE COMMERCIAL COM Put 20,000 73.91 360 85.57 n/a n/a n/a
2020-11-16 2020-09-30 13F GLADSTONE COMMERCIAL COM Put 11,500 -44.17 194 -49.74 n/a n/a n/a
2020-08-14 2020-06-30 13F GLADSTONE COMMERCIAL Cmn Put 20,600 47.14 386 92.04 n/a n/a n/a
2020-05-15 2020-03-31 13F GLADSTONE COMMERCIAL Cmn Put 14,000 201 n/a n/a n/a
2018-08-14 2018-06-30 13F/A GLADSTONE COML Cmn Put 0 -100.00 0 -100.00 n/a n/a n/a
2018-05-14 2018-03-31 13F/A GLADSTONE COML Cmn Put 12,000 208 n/a n/a n/a
2018-05-11 2018-03-31 13F GLADSTONE COML Cmn Put 12,000 208 n/a n/a n/a
2017-01-31 2016-03-31 13F/A GLADSTONE COMMERCIAL CORP Cmn Put 0 -100.00 0 -100.00 n/a n/a n/a
2017-01-31 2015-12-31 13F/A GLADSTONE COML Cmn Put 3,200 60.00 47 67.86 n/a n/a n/a
2016-02-12 2015-12-31 13F GLADSTONE COMMERCIAL CORP Cmn Put 3,200 47 n/a n/a n/a
2015-11-16 2015-09-30 13F GLADSTONE COMMERCIAL CORP Cmn Put 2,000 0.00 28 n/a n/a n/a
2014-08-14 2014-06-30 13F GLADSTONE COMMERCIAL CORP Cmn Put 0 -100.00 0 -100.00 n/a n/a n/a
2014-05-15 2014-03-31 13F GLADSTONE COMMERCIAL CORP Cmn Put 400 7 n/a n/a n/a
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.